(search) Drastically reduce worker thread count in search-service

added converter.insertFoundDomains property

ROADMAP.md

@@ -48,10 +48,6 @@ filter for any API consumer.
 
 I've talked to the stract dev and he does not think it's a good idea to mimic their optics language, which is quite ad-hoc, but instead to work together to find some new common description language for this. 
 
-## Show favicons next to search results
-
-This is expected from search engines.  Basic proof of concept sketch of fetching this data has been done, but the feature is some way from being reality. 
-
 ## Specialized crawler for github
 
 One of the search engine's biggest limitations right now is that it does not index github at all.   A specialized crawler that fetches at least the readme.md would go a long way toward providing search capabilities in this domain.
@@ -66,6 +62,10 @@ The documents database probably should have some sort of flag indicating it's a
 PDF parsing is known to be a bit of a security liability so some thought needs to be put in
 that direction as well.
 
+## Show favicons next to search results (COMPLETED 2025-03)
+
+This is expected from search engines.  Basic proof of concept sketch of fetching this data has been done, but the feature is some way from being reality.
+
 ## Web Design Overhaul (COMPLETED 2025-01)
 
 The design is kinda clunky and hard to maintain, and needlessly outdated-looking.  

code/common/service/java/nu/marginalia/service/client/GrpcChannelPoolFactory.java

@@ -13,6 +13,7 @@ import nu.marginalia.service.discovery.property.ServicePartition;
 import nu.marginalia.util.NamedExecutorFactory;
 
 import java.util.concurrent.Executor;
+import java.util.concurrent.Executors;
 import java.util.function.Function;
 
 @Singleton
@@ -20,10 +21,15 @@ public class GrpcChannelPoolFactory {
 
     private final NodeConfigurationWatcher nodeConfigurationWatcher;
     private final ServiceRegistryIf serviceRegistryIf;
-    private static final Executor executor = NamedExecutorFactory.createFixed("gRPC-Channel-Pool",
-            Math.clamp(Runtime.getRuntime().availableProcessors() / 2, 2, 32));
-    private static final Executor offloadExecutor = NamedExecutorFactory.createFixed("gRPC-Offload-Pool",
-            Math.clamp(Runtime.getRuntime().availableProcessors() / 2, 2, 32));
+
+    private static final boolean useLoom = Boolean.getBoolean("system.experimentalUseLoom");
+
+    private static final Executor executor = useLoom
+            ? Executors.newVirtualThreadPerTaskExecutor()
+            : NamedExecutorFactory.createFixed("gRPC-Channel-Pool", Math.clamp(Runtime.getRuntime().availableProcessors() / 2, 2, 32));
+    private static final Executor offloadExecutor =  useLoom
+            ? Executors.newVirtualThreadPerTaskExecutor()
+            : NamedExecutorFactory.createFixed("gRPC-Offload-Pool", Math.clamp(Runtime.getRuntime().availableProcessors() / 2, 2, 32));
 
     @Inject
     public GrpcChannelPoolFactory(NodeConfigurationWatcher nodeConfigurationWatcher,

code/common/service/java/nu/marginalia/service/server/GrpcServer.java

@@ -13,9 +13,14 @@ import nu.marginalia.util.NamedExecutorFactory;
 import java.io.IOException;
 import java.net.InetSocketAddress;
 import java.util.List;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
 
 public class GrpcServer {
     private final Server server;
+
+    private static final boolean useLoom = Boolean.getBoolean("system.experimentalUseLoom");
+
     public GrpcServer(ServiceConfiguration config,
                       ServiceRegistryIf serviceRegistry,
                       ServicePartition partition,
@@ -26,8 +31,13 @@ public class GrpcServer {
         int nThreads = Math.clamp(Runtime.getRuntime().availableProcessors() / 2, 2, 16);
 
         // Start the gRPC server
+
+        ExecutorService workExecutor = useLoom ?
+                Executors.newVirtualThreadPerTaskExecutor() :
+                NamedExecutorFactory.createFixed("nettyExecutor", nThreads);
+
         var grpcServerBuilder = NettyServerBuilder.forAddress(new InetSocketAddress(config.bindAddress(), port))
-                .executor(NamedExecutorFactory.createFixed("nettyExecutor", nThreads))
+                .executor(workExecutor)
                 .workerEventLoopGroup(new NioEventLoopGroup(nThreads, NamedExecutorFactory.createFixed("Worker-ELG", nThreads)))
                 .bossEventLoopGroup(new NioEventLoopGroup(nThreads, NamedExecutorFactory.createFixed("Boss-ELG", nThreads)))
                 .channelType(NioServerSocketChannel.class);

code/common/service/java/nu/marginalia/service/server/JoobyService.java

@@ -125,8 +125,7 @@ public class JoobyService {
         // Set a cap on the number of worker threads, as Jooby's default value does not seem to consider
         // multi-tenant servers with high thread counts, and spins up an exorbitant number of threads in that
         // scenario
-        options.setWorkerThreads(Math.min(128, options.getWorkerThreads()));
-
+        options.setWorkerThreads(Math.min(16, options.getWorkerThreads()));
 
         jooby.setServerOptions(options);
 

code/common/service/resources/log4j2-json.xml

@@ -7,6 +7,7 @@
                 <MarkerFilter marker="QUERY" onMatch="DENY" onMismatch="NEUTRAL" />
                 <MarkerFilter marker="HTTP" onMatch="DENY" onMismatch="NEUTRAL" />
                 <MarkerFilter marker="CRAWLER" onMatch="DENY" onMismatch="NEUTRAL" />
+                <MarkerFilter marker="CONVERTER" onMatch="DENY" onMismatch="NEUTRAL" />
             </Filters>
         </Console>
         <Console name="ProcessConsole" target="SYSTEM_OUT">
@@ -23,6 +24,7 @@
                 <MarkerFilter marker="HTTP" onMatch="DENY" onMismatch="NEUTRAL" />
                 <MarkerFilter marker="CRAWLER" onMatch="DENY" onMismatch="NEUTRAL" />
                 <MarkerFilter marker="PROCESS" onMatch="DENY" onMismatch="NEUTRAL" />
+                <MarkerFilter marker="CONVERTER" onMatch="DENY" onMismatch="NEUTRAL" />
             </Filters>
             <SizeBasedTriggeringPolicy size="10MB" />
         </RollingFile>
@@ -36,6 +38,16 @@
                 <MarkerFilter marker="CRAWLER" onMatch="ALLOW" onMismatch="DENY" />
             </Filters>
         </RollingFile>
+        <RollingFile name="LogToFile" fileName="${env:WMSA_LOG_DIR:-/var/log/wmsa}/converter-audit-${env:WMSA_SERVICE_NODE:-0}.log" filePattern="/var/log/wmsa/converter-audit-${env:WMSA_SERVICE_NODE:-0}-log-%d{MM-dd-yy-HH-mm-ss}-%i.log.gz"
+                     ignoreExceptions="false">
+            <PatternLayout>
+                <Pattern>%d{yyyy-MM-dd HH:mm:ss,SSS}: %msg{nolookups}%n</Pattern>
+            </PatternLayout>
+            <SizeBasedTriggeringPolicy size="100MB" />
+            <Filters>
+                <MarkerFilter marker="CONVERTER" onMatch="ALLOW" onMismatch="DENY" />
+            </Filters>
+        </RollingFile>
     </Appenders>
     <Loggers>
         <Logger name="org.apache.zookeeper" level="WARN" />

code/common/service/resources/log4j2-prod.xml

@@ -8,6 +8,7 @@
                 <MarkerFilter marker="QUERY" onMatch="DENY" onMismatch="NEUTRAL" />
                 <MarkerFilter marker="HTTP" onMatch="DENY" onMismatch="NEUTRAL" />
                 <MarkerFilter marker="CRAWLER" onMatch="DENY" onMismatch="NEUTRAL" />
+                <MarkerFilter marker="CONVERTER" onMatch="DENY" onMismatch="NEUTRAL" />
             </Filters>
         </Console>
         <Console name="ConsoleWarn" target="SYSTEM_OUT">
@@ -18,6 +19,7 @@
                 <MarkerFilter marker="QUERY" onMatch="DENY" onMismatch="NEUTRAL" />
                 <MarkerFilter marker="HTTP" onMatch="DENY" onMismatch="NEUTRAL" />
                 <MarkerFilter marker="CRAWLER" onMatch="DENY" onMismatch="NEUTRAL" />
+                <MarkerFilter marker="CONVERTER" onMatch="DENY" onMismatch="NEUTRAL" />
             </Filters>
         </Console>
         <Console name="ConsoleError" target="SYSTEM_OUT">
@@ -28,6 +30,7 @@
                 <MarkerFilter marker="QUERY" onMatch="DENY" onMismatch="NEUTRAL" />
                 <MarkerFilter marker="HTTP" onMatch="DENY" onMismatch="NEUTRAL" />
                 <MarkerFilter marker="CRAWLER" onMatch="DENY" onMismatch="NEUTRAL" />
+                <MarkerFilter marker="CONVERTER" onMatch="DENY" onMismatch="NEUTRAL" />
             </Filters>
         </Console>
         <Console name="ConsoleFatal" target="SYSTEM_OUT">
@@ -38,6 +41,7 @@
                 <MarkerFilter marker="QUERY" onMatch="DENY" onMismatch="NEUTRAL" />
                 <MarkerFilter marker="HTTP" onMatch="DENY" onMismatch="NEUTRAL" />
                 <MarkerFilter marker="CRAWLER" onMatch="DENY" onMismatch="NEUTRAL" />
+                <MarkerFilter marker="CONVERTER" onMatch="DENY" onMismatch="NEUTRAL" />
             </Filters>
         </Console>
         <Console name="ProcessConsole" target="SYSTEM_OUT">
@@ -57,6 +61,7 @@
                 <MarkerFilter marker="QUERY" onMatch="DENY" onMismatch="NEUTRAL" />
                 <MarkerFilter marker="HTTP" onMatch="DENY" onMismatch="NEUTRAL" />
                 <MarkerFilter marker="CRAWLER" onMatch="DENY" onMismatch="NEUTRAL" />
+                <MarkerFilter marker="CONVERTER" onMatch="DENY" onMismatch="NEUTRAL" />
             </Filters>
         </RollingFile>
         <RollingFile name="LogToFile" fileName="${env:WMSA_LOG_DIR:-/var/log/wmsa}/crawler-audit-${env:WMSA_SERVICE_NODE:-0}.log" filePattern="/var/log/wmsa/crawler-audit-${env:WMSA_SERVICE_NODE:-0}-log-%d{MM-dd-yy-HH-mm-ss}-%i.log.gz"
@@ -69,6 +74,16 @@
                 <MarkerFilter marker="CRAWLER" onMatch="ALLOW" onMismatch="DENY" />
             </Filters>
         </RollingFile>
+        <RollingFile name="LogToFile" fileName="${env:WMSA_LOG_DIR:-/var/log/wmsa}/converter-audit-${env:WMSA_SERVICE_NODE:-0}.log" filePattern="/var/log/wmsa/converter-audit-${env:WMSA_SERVICE_NODE:-0}-log-%d{MM-dd-yy-HH-mm-ss}-%i.log.gz"
+                     ignoreExceptions="false">
+            <PatternLayout>
+                <Pattern>%d{yyyy-MM-dd HH:mm:ss,SSS}: %msg{nolookups}%n</Pattern>
+            </PatternLayout>
+            <SizeBasedTriggeringPolicy size="100MB" />
+            <Filters>
+                <MarkerFilter marker="CONVERTER" onMatch="ALLOW" onMismatch="DENY" />
+            </Filters>
+        </RollingFile>
     </Appenders>
     <Loggers>
         <Logger name="org.apache.zookeeper" level="WARN" />

code/execution/api/java/nu/marginalia/executor/client/ExecutorClient.java

@@ -9,6 +9,7 @@ import nu.marginalia.executor.storage.FileStorageFile;
 import nu.marginalia.executor.upload.UploadDirContents;
 import nu.marginalia.executor.upload.UploadDirItem;
 import nu.marginalia.functions.execution.api.*;
+import nu.marginalia.mq.persistence.MqPersistence;
 import nu.marginalia.service.ServiceId;
 import nu.marginalia.service.client.GrpcChannelPoolFactory;
 import nu.marginalia.service.client.GrpcMultiNodeChannelPool;
@@ -25,27 +26,37 @@ import java.net.URISyntaxException;
 import java.net.URL;
 import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
+import java.time.Duration;
 import java.util.List;
 
 import static nu.marginalia.functions.execution.api.ExecutorApiGrpc.ExecutorApiBlockingStub;
 
 @Singleton
 public class ExecutorClient {
+    private final MqPersistence persistence;
     private final GrpcMultiNodeChannelPool<ExecutorApiBlockingStub> channelPool;
     private static final Logger logger = LoggerFactory.getLogger(ExecutorClient.class);
     private final ServiceRegistryIf registry;
 
     @Inject
     public ExecutorClient(ServiceRegistryIf registry,
+                          MqPersistence persistence,
                           GrpcChannelPoolFactory grpcChannelPoolFactory)
     {
         this.registry = registry;
+        this.persistence = persistence;
         this.channelPool = grpcChannelPoolFactory
                 .createMulti(
                         ServiceKey.forGrpcApi(ExecutorApiGrpc.class, ServicePartition.multi()),
                         ExecutorApiGrpc::newBlockingStub);
     }
 
+    private long createTrackingTokenMsg(String task, int node, Duration ttl) throws Exception {
+        return persistence.sendNewMessage("task-tracking[" + node + "]", "export-client", null, task, "", ttl);
+    }
+
+
+
     public void startFsm(int node, String actorName) {
         channelPool.call(ExecutorApiBlockingStub::startFsm)
                 .forNode(node)
@@ -96,6 +107,16 @@ public class ExecutorClient {
                         .build());
     }
 
+    public long updateNsfwFilters() throws Exception {
+        long msgId = createTrackingTokenMsg("nsfw-filters", 1, Duration.ofHours(6));
+
+        channelPool.call(ExecutorApiBlockingStub::updateNsfwFilters)
+                .forNode(1)
+                .run(RpcUpdateNsfwFilters.newBuilder().setMsgId(msgId).build());
+
+        return msgId;
+    }
+
     public ActorRunStates getActorStates(int node) {
         try {
             var rs = channelPool.call(ExecutorApiBlockingStub::getActorStates)

code/execution/api/src/main/protobuf/executor-api.proto

@@ -18,6 +18,8 @@ service ExecutorApi {
   rpc calculateAdjacencies(Empty) returns (Empty) {}
   rpc restoreBackup(RpcFileStorageId) returns (Empty) {}
 
+  rpc updateNsfwFilters(RpcUpdateNsfwFilters) returns (Empty) {}
+
   rpc restartExecutorService(Empty) returns (Empty) {}
 }
 
@@ -66,6 +68,9 @@ message RpcExportRequest {
   int64 fileStorageId = 1;
   int64 msgId = 2;
 }
+message RpcUpdateNsfwFilters {
+  int64 msgId = 1;
+}
 message RpcFileStorageIdWithDomainName {
   int64 fileStorageId = 1;
   string targetDomainName = 2;

code/execution/java/nu/marginalia/actor/ActorApi.java

@@ -2,10 +2,11 @@ package nu.marginalia.actor;
 
 import com.google.inject.Inject;
 import com.google.inject.Singleton;
-import nu.marginalia.functions.execution.api.*;
+import nu.marginalia.functions.execution.api.RpcFsmName;
+import nu.marginalia.functions.execution.api.RpcProcessId;
 import nu.marginalia.mq.MqMessageState;
 import nu.marginalia.mq.persistence.MqPersistence;
-import nu.marginalia.process.ProcessService;
+import nu.marginalia.process.ProcessSpawnerService;
 import nu.marginalia.service.module.ServiceConfiguration;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -14,18 +15,18 @@ import spark.Spark;
 @Singleton
 public class ActorApi {
     private final ExecutorActorControlService actors;
-    private final ProcessService processService;
+    private final ProcessSpawnerService processSpawnerService;
     private final MqPersistence mqPersistence;
     private final ServiceConfiguration serviceConfiguration;
     private final Logger logger = LoggerFactory.getLogger(getClass());
     @Inject
     public ActorApi(ExecutorActorControlService actors,
-                    ProcessService processService,
+                    ProcessSpawnerService processSpawnerService,
                     MqPersistence mqPersistence,
                     ServiceConfiguration serviceConfiguration)
     {
         this.actors = actors;
-        this.processService = processService;
+        this.processSpawnerService = processSpawnerService;
         this.mqPersistence = mqPersistence;
         this.serviceConfiguration = serviceConfiguration;
     }
@@ -43,7 +44,7 @@ public class ActorApi {
     }
 
     public Object stopProcess(RpcProcessId processId) {
-        ProcessService.ProcessId id = ProcessService.translateExternalIdBase(processId.getProcessId());
+        ProcessSpawnerService.ProcessId id = ProcessSpawnerService.translateExternalIdBase(processId.getProcessId());
 
         try {
             String inbox = id.name().toLowerCase() + ":" + serviceConfiguration.node();
@@ -60,7 +61,7 @@ public class ActorApi {
                 }
 
             }
-            processService.kill(id);
+            processSpawnerService.kill(id);
         }
         catch (Exception ex) {
             logger.error("Failed to stop process {}", id, ex);

code/execution/java/nu/marginalia/actor/ExecutorActor.java

@@ -6,7 +6,7 @@ import java.util.Set;
 
 public enum ExecutorActor {
     PREC_EXPORT_ALL(NodeProfile.BATCH_CRAWL, NodeProfile.MIXED),
-    SYNC_NSFW_LISTS(NodeProfile.BATCH_CRAWL, NodeProfile.MIXED),
+    UPDATE_NSFW_LISTS(NodeProfile.BATCH_CRAWL, NodeProfile.MIXED, NodeProfile.SIDELOAD, NodeProfile.REALTIME),
 
     CRAWL(NodeProfile.BATCH_CRAWL, NodeProfile.MIXED),
     RECRAWL(NodeProfile.BATCH_CRAWL, NodeProfile.MIXED),

code/execution/java/nu/marginalia/actor/ExecutorActorControlService.java

@@ -113,7 +113,7 @@ public class ExecutorActorControlService {
         register(ExecutorActor.UPDATE_RSS, updateRssActor);
 
         register(ExecutorActor.MIGRATE_CRAWL_DATA, migrateCrawlDataActor);
-        register(ExecutorActor.SYNC_NSFW_LISTS, updateNsfwFiltersActor);
+        register(ExecutorActor.UPDATE_NSFW_LISTS, updateNsfwFiltersActor);
 
         if (serviceConfiguration.node() == 1) {
             register(ExecutorActor.PREC_EXPORT_ALL, exportAllPrecessionActor);

code/execution/java/nu/marginalia/actor/monitor/AbstractProcessSpawnerActor.java

@@ -4,11 +4,14 @@ import com.google.gson.Gson;
 import com.google.inject.Inject;
 import com.google.inject.Singleton;
 import nu.marginalia.actor.prototype.RecordActorPrototype;
-import nu.marginalia.actor.state.*;
-import nu.marginalia.mq.persistence.MqMessageHandlerRegistry;
-import nu.marginalia.process.ProcessService;
+import nu.marginalia.actor.state.ActorResumeBehavior;
+import nu.marginalia.actor.state.ActorStep;
+import nu.marginalia.actor.state.Resume;
+import nu.marginalia.actor.state.Terminal;
 import nu.marginalia.mq.MqMessageState;
+import nu.marginalia.mq.persistence.MqMessageHandlerRegistry;
 import nu.marginalia.mq.persistence.MqPersistence;
+import nu.marginalia.process.ProcessSpawnerService;
 import nu.marginalia.service.module.ServiceConfiguration;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -24,13 +27,13 @@ import java.util.concurrent.atomic.AtomicBoolean;
 public class AbstractProcessSpawnerActor extends RecordActorPrototype {
 
     private final MqPersistence persistence;
-    private final ProcessService processService;
+    private final ProcessSpawnerService processSpawnerService;
 
     private final Logger logger = LoggerFactory.getLogger(getClass());
 
     public static final int MAX_ATTEMPTS = 3;
     private final String inboxName;
-    private final ProcessService.ProcessId processId;
+    private final ProcessSpawnerService.ProcessId processId;
     private final ExecutorService executorService = Executors.newSingleThreadExecutor();
     private final int node;
 
@@ -50,7 +53,7 @@ public class AbstractProcessSpawnerActor extends RecordActorPrototype {
                 for (;;) {
                     var messages = persistence.eavesdrop(inboxName, 1);
 
-                    if (messages.isEmpty() && !processService.isRunning(processId)) {
+                    if (messages.isEmpty() && !processSpawnerService.isRunning(processId)) {
                         synchronized (processId) {
                             processId.wait(5000);
                         }
@@ -92,7 +95,7 @@ public class AbstractProcessSpawnerActor extends RecordActorPrototype {
                 catch (InterruptedException ex) {
                     // We get this exception when the process is cancelled by the user
 
-                    processService.kill(processId);
+                    processSpawnerService.kill(processId);
                     setCurrentMessageToDead();
 
                     yield new Aborted();
@@ -112,13 +115,13 @@ public class AbstractProcessSpawnerActor extends RecordActorPrototype {
     public AbstractProcessSpawnerActor(Gson gson,
                                        ServiceConfiguration configuration,
                                        MqPersistence persistence,
-                                       ProcessService processService,
+                                       ProcessSpawnerService processSpawnerService,
                                        String inboxName,
-                                       ProcessService.ProcessId processId) {
+                                       ProcessSpawnerService.ProcessId processId) {
         super(gson);
         this.node = configuration.node();
         this.persistence = persistence;
-        this.processService = processService;
+        this.processSpawnerService = processSpawnerService;
         this.inboxName = inboxName + ":" + node;
         this.processId = processId;
     }
@@ -149,7 +152,7 @@ public class AbstractProcessSpawnerActor extends RecordActorPrototype {
             // Run this call in a separate thread so that this thread can be interrupted waiting for it
             executorService.submit(() -> {
                 try {
-                    processService.trigger(processId);
+                    processSpawnerService.trigger(processId);
                 } catch (Exception e) {
                     logger.warn("Error in triggering process", e);
                     error.set(true);

code/execution/java/nu/marginalia/actor/proc/ConverterMonitorActor.java

@@ -4,9 +4,9 @@ import com.google.gson.Gson;
 import com.google.inject.Inject;
 import com.google.inject.Singleton;
 import nu.marginalia.actor.monitor.AbstractProcessSpawnerActor;
-import nu.marginalia.process.ProcessService;
 import nu.marginalia.mq.persistence.MqPersistence;
 import nu.marginalia.mqapi.ProcessInboxNames;
+import nu.marginalia.process.ProcessSpawnerService;
 import nu.marginalia.service.module.ServiceConfiguration;
 
 @Singleton
@@ -17,13 +17,13 @@ public class ConverterMonitorActor extends AbstractProcessSpawnerActor {
     public ConverterMonitorActor(Gson gson,
                                  ServiceConfiguration configuration,
                                  MqPersistence persistence,
-                                 ProcessService processService) {
+                                 ProcessSpawnerService processSpawnerService) {
         super(gson,
                 configuration,
                 persistence,
-                processService,
+                processSpawnerService,
                 ProcessInboxNames.CONVERTER_INBOX,
-                ProcessService.ProcessId.CONVERTER);
+                ProcessSpawnerService.ProcessId.CONVERTER);
     }
 
 

code/execution/java/nu/marginalia/actor/proc/CrawlerMonitorActor.java

@@ -4,9 +4,9 @@ import com.google.gson.Gson;
 import com.google.inject.Inject;
 import com.google.inject.Singleton;
 import nu.marginalia.actor.monitor.AbstractProcessSpawnerActor;
-import nu.marginalia.process.ProcessService;
 import nu.marginalia.mq.persistence.MqPersistence;
 import nu.marginalia.mqapi.ProcessInboxNames;
+import nu.marginalia.process.ProcessSpawnerService;
 import nu.marginalia.service.module.ServiceConfiguration;
 
 @Singleton
@@ -16,13 +16,13 @@ public class CrawlerMonitorActor extends AbstractProcessSpawnerActor {
     public CrawlerMonitorActor(Gson gson,
                                ServiceConfiguration configuration,
                                MqPersistence persistence,
-                               ProcessService processService) {
+                               ProcessSpawnerService processSpawnerService) {
         super(gson,
                 configuration,
                 persistence,
-                processService,
+                processSpawnerService,
                 ProcessInboxNames.CRAWLER_INBOX,
-                ProcessService.ProcessId.CRAWLER);
+                ProcessSpawnerService.ProcessId.CRAWLER);
     }
 
 

code/execution/java/nu/marginalia/actor/proc/ExportTaskMonitorActor.java

@@ -6,7 +6,7 @@ import com.google.inject.Singleton;
 import nu.marginalia.actor.monitor.AbstractProcessSpawnerActor;
 import nu.marginalia.mq.persistence.MqPersistence;
 import nu.marginalia.mqapi.ProcessInboxNames;
-import nu.marginalia.process.ProcessService;
+import nu.marginalia.process.ProcessSpawnerService;
 import nu.marginalia.service.module.ServiceConfiguration;
 
 @Singleton
@@ -16,13 +16,13 @@ public class ExportTaskMonitorActor extends AbstractProcessSpawnerActor {
     public ExportTaskMonitorActor(Gson gson,
                                   ServiceConfiguration configuration,
                                   MqPersistence persistence,
-                                  ProcessService processService) {
+                                  ProcessSpawnerService processSpawnerService) {
         super(gson,
                 configuration,
                 persistence,
-                processService,
+                processSpawnerService,
                 ProcessInboxNames.EXPORT_TASK_INBOX,
-                ProcessService.ProcessId.EXPORT_TASKS);
+                ProcessSpawnerService.ProcessId.EXPORT_TASKS);
     }
 
 

code/execution/java/nu/marginalia/actor/proc/IndexConstructorMonitorActor.java

@@ -4,9 +4,9 @@ import com.google.gson.Gson;
 import com.google.inject.Inject;
 import com.google.inject.Singleton;
 import nu.marginalia.actor.monitor.AbstractProcessSpawnerActor;
-import nu.marginalia.process.ProcessService;
 import nu.marginalia.mq.persistence.MqPersistence;
 import nu.marginalia.mqapi.ProcessInboxNames;
+import nu.marginalia.process.ProcessSpawnerService;
 import nu.marginalia.service.module.ServiceConfiguration;
 
 @Singleton
@@ -17,13 +17,13 @@ public class IndexConstructorMonitorActor extends AbstractProcessSpawnerActor {
     public IndexConstructorMonitorActor(Gson gson,
                                         ServiceConfiguration configuration,
                                         MqPersistence persistence,
-                                        ProcessService processService) {
+                                        ProcessSpawnerService processSpawnerService) {
         super(gson,
                 configuration,
                 persistence,
-                processService,
+                processSpawnerService,
                 ProcessInboxNames.INDEX_CONSTRUCTOR_INBOX,
-                ProcessService.ProcessId.INDEX_CONSTRUCTOR);
+                ProcessSpawnerService.ProcessId.INDEX_CONSTRUCTOR);
     }
 
 

code/execution/java/nu/marginalia/actor/proc/LiveCrawlerMonitorActor.java

@@ -6,7 +6,7 @@ import com.google.inject.Singleton;
 import nu.marginalia.actor.monitor.AbstractProcessSpawnerActor;
 import nu.marginalia.mq.persistence.MqPersistence;
 import nu.marginalia.mqapi.ProcessInboxNames;
-import nu.marginalia.process.ProcessService;
+import nu.marginalia.process.ProcessSpawnerService;
 import nu.marginalia.service.module.ServiceConfiguration;
 
 @Singleton
@@ -16,13 +16,13 @@ public class LiveCrawlerMonitorActor extends AbstractProcessSpawnerActor {
     public LiveCrawlerMonitorActor(Gson gson,
                                    ServiceConfiguration configuration,
                                    MqPersistence persistence,
-                                   ProcessService processService) {
+                                   ProcessSpawnerService processSpawnerService) {
         super(gson,
                 configuration,
                 persistence,
-                processService,
+                processSpawnerService,
                 ProcessInboxNames.LIVE_CRAWLER_INBOX,
-                ProcessService.ProcessId.LIVE_CRAWLER);
+                ProcessSpawnerService.ProcessId.LIVE_CRAWLER);
     }
 
 

code/execution/java/nu/marginalia/actor/proc/LoaderMonitorActor.java

@@ -4,9 +4,9 @@ import com.google.gson.Gson;
 import com.google.inject.Inject;
 import com.google.inject.Singleton;
 import nu.marginalia.actor.monitor.AbstractProcessSpawnerActor;
-import nu.marginalia.process.ProcessService;
 import nu.marginalia.mq.persistence.MqPersistence;
 import nu.marginalia.mqapi.ProcessInboxNames;
+import nu.marginalia.process.ProcessSpawnerService;
 import nu.marginalia.service.module.ServiceConfiguration;
 
 @Singleton
@@ -17,13 +17,13 @@ public class LoaderMonitorActor extends AbstractProcessSpawnerActor {
     public LoaderMonitorActor(Gson gson,
                               ServiceConfiguration configuration,
                               MqPersistence persistence,
-                              ProcessService processService) {
+                              ProcessSpawnerService processSpawnerService) {
 
         super(gson,
                 configuration,
-                persistence, processService,
+                persistence, processSpawnerService,
                 ProcessInboxNames.LOADER_INBOX,
-                ProcessService.ProcessId.LOADER);
+                ProcessSpawnerService.ProcessId.LOADER);
     }
 
 }

code/execution/java/nu/marginalia/actor/proc/NdpMonitorActor.java

@@ -6,7 +6,7 @@ import com.google.inject.Singleton;
 import nu.marginalia.actor.monitor.AbstractProcessSpawnerActor;
 import nu.marginalia.mq.persistence.MqPersistence;
 import nu.marginalia.mqapi.ProcessInboxNames;
-import nu.marginalia.process.ProcessService;
+import nu.marginalia.process.ProcessSpawnerService;
 import nu.marginalia.service.module.ServiceConfiguration;
 
 @Singleton
@@ -16,13 +16,13 @@ public class NdpMonitorActor extends AbstractProcessSpawnerActor {
     public NdpMonitorActor(Gson gson,
                                    ServiceConfiguration configuration,
                                    MqPersistence persistence,
-                                   ProcessService processService) {
+                                   ProcessSpawnerService processSpawnerService) {
         super(gson,
                 configuration,
                 persistence,
-                processService,
+                processSpawnerService,
                 ProcessInboxNames.NDP_INBOX,
-                ProcessService.ProcessId.NDP);
+                ProcessSpawnerService.ProcessId.NDP);
     }
 
 

code/execution/java/nu/marginalia/actor/proc/PingMonitorActor.java

@@ -13,7 +13,7 @@ import nu.marginalia.mq.persistence.MqMessageHandlerRegistry;
 import nu.marginalia.mq.persistence.MqPersistence;
 import nu.marginalia.mqapi.ProcessInboxNames;
 import nu.marginalia.mqapi.ping.PingRequest;
-import nu.marginalia.process.ProcessService;
+import nu.marginalia.process.ProcessSpawnerService;
 import nu.marginalia.service.module.ServiceConfiguration;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -25,17 +25,21 @@ import java.util.concurrent.Executors;
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.atomic.AtomicBoolean;
 
+
+// Unlike other monitor actors, the ping monitor will not merely wait for a request
+// to be sent, but send one itself,  hence we can't extend AbstractProcessSpawnerActor
+// but have to reimplement a lot of the same logic ourselves.
 @Singleton
 public class PingMonitorActor extends RecordActorPrototype {
 
     private final MqPersistence persistence;
-    private final ProcessService processService;
+    private final ProcessSpawnerService processSpawnerService;
 
     private final Logger logger = LoggerFactory.getLogger(getClass());
 
     public static final int MAX_ATTEMPTS = 3;
     private final String inboxName;
-    private final ProcessService.ProcessId processId;
+    private final ProcessSpawnerService.ProcessId processId;
     private final ExecutorService executorService = Executors.newSingleThreadExecutor();
     private final int node;
     private final Gson gson;
@@ -53,7 +57,6 @@ public class PingMonitorActor extends RecordActorPrototype {
         return switch (self) {
             case Initial i -> {
                 PingRequest request = new PingRequest();
-
                 persistence.sendNewMessage(inboxName, null, null,
                         "PingRequest",
                         gson.toJson(request),
@@ -65,7 +68,7 @@ public class PingMonitorActor extends RecordActorPrototype {
                 for (;;) {
                     var messages = persistence.eavesdrop(inboxName, 1);
 
-                    if (messages.isEmpty() && !processService.isRunning(processId)) {
+                    if (messages.isEmpty() && !processSpawnerService.isRunning(processId)) {
                         synchronized (processId) {
                             processId.wait(5000);
                         }
@@ -107,7 +110,7 @@ public class PingMonitorActor extends RecordActorPrototype {
                 catch (InterruptedException ex) {
                     // We get this exception when the process is cancelled by the user
 
-                    processService.kill(processId);
+                    processSpawnerService.kill(processId);
                     setCurrentMessageToDead();
 
                     yield new Aborted();
@@ -127,14 +130,14 @@ public class PingMonitorActor extends RecordActorPrototype {
     public PingMonitorActor(Gson gson,
                                        ServiceConfiguration configuration,
                                        MqPersistence persistence,
-                                       ProcessService processService) throws SQLException {
+                                       ProcessSpawnerService processSpawnerService) throws SQLException {
         super(gson);
         this.gson = gson;
         this.node = configuration.node();
         this.persistence = persistence;
-        this.processService = processService;
+        this.processSpawnerService = processSpawnerService;
         this.inboxName = ProcessInboxNames.PING_INBOX + ":" + node;
-        this.processId = ProcessService.ProcessId.PING;
+        this.processId = ProcessSpawnerService.ProcessId.PING;
     }
 
     /** Sets the message to dead in the database to avoid
@@ -163,7 +166,7 @@ public class PingMonitorActor extends RecordActorPrototype {
             // Run this call in a separate thread so that this thread can be interrupted waiting for it
             executorService.submit(() -> {
                 try {
-                    processService.trigger(processId);
+                    processSpawnerService.trigger(processId);
                 } catch (Exception e) {
                     logger.warn("Error in triggering process", e);
                     error.set(true);

code/execution/java/nu/marginalia/actor/proc/ProcessLivenessMonitorActor.java

@@ -8,7 +8,7 @@ import nu.marginalia.actor.prototype.RecordActorPrototype;
 import nu.marginalia.actor.state.ActorResumeBehavior;
 import nu.marginalia.actor.state.ActorStep;
 import nu.marginalia.actor.state.Resume;
-import nu.marginalia.process.ProcessService;
+import nu.marginalia.process.ProcessSpawnerService;
 import nu.marginalia.service.control.ServiceEventLog;
 import nu.marginalia.service.module.ServiceConfiguration;
 
@@ -21,7 +21,7 @@ import java.util.concurrent.TimeUnit;
 public class ProcessLivenessMonitorActor extends RecordActorPrototype {
 
     private final ServiceEventLog eventLogService;
-    private final ProcessService processService;
+    private final ProcessSpawnerService processSpawnerService;
     private final HikariDataSource dataSource;
 
     private final int node;
@@ -49,7 +49,7 @@ public class ProcessLivenessMonitorActor extends RecordActorPrototype {
                         var processId = heartbeat.getProcessId();
                         if (null == processId) continue;
 
-                        if (processService.isRunning(processId) && heartbeat.lastSeenMillis() < 10_000)
+                        if (processSpawnerService.isRunning(processId) && heartbeat.lastSeenMillis() < 10_000)
                             continue;
 
                         flagProcessAsStopped(heartbeat);
@@ -72,12 +72,12 @@ public class ProcessLivenessMonitorActor extends RecordActorPrototype {
     public ProcessLivenessMonitorActor(Gson gson,
                                        ServiceEventLog eventLogService,
                                        ServiceConfiguration configuration,
-                                       ProcessService processService,
+                                       ProcessSpawnerService processSpawnerService,
                                        HikariDataSource dataSource) {
         super(gson);
         this.node = configuration.node();
         this.eventLogService = eventLogService;
-        this.processService = processService;
+        this.processSpawnerService = processSpawnerService;
         this.dataSource = dataSource;
     }
 
@@ -208,8 +208,8 @@ public class ProcessLivenessMonitorActor extends RecordActorPrototype {
         public boolean isRunning() {
             return "RUNNING".equals(status);
         }
-        public ProcessService.ProcessId getProcessId() {
-            return ProcessService.translateExternalIdBase(processBase);
+        public ProcessSpawnerService.ProcessId getProcessId() {
+            return ProcessSpawnerService.translateExternalIdBase(processBase);
         }
     }
 

code/execution/java/nu/marginalia/actor/proc/ScrapeFeedsActor.java

@@ -47,6 +47,8 @@ public class ScrapeFeedsActor extends RecordActorPrototype {
 
     private final Path feedPath = WmsaHome.getHomePath().resolve("data/scrape-urls.txt");
 
+    private static boolean insertFoundDomains = Boolean.getBoolean("loader.insertFoundDomains");
+
     public record Initial() implements ActorStep {}
     @Resume(behavior = ActorResumeBehavior.RETRY)
     public record Wait(String ts) implements ActorStep {}
@@ -57,6 +59,8 @@ public class ScrapeFeedsActor extends RecordActorPrototype {
     public ActorStep transition(ActorStep self) throws Exception {
         return switch(self) {
             case Initial() -> {
+                if (!insertFoundDomains) yield new Error("Domain insertion prohibited, aborting");
+
                 if (nodeConfigurationService.get(nodeId).profile() != NodeProfile.REALTIME) {
                     yield new Error("Invalid node profile for RSS update");
                 }

code/execution/java/nu/marginalia/actor/task/ActorProcessWatcher.java

@@ -3,11 +3,11 @@ package nu.marginalia.actor.task;
 import com.google.inject.Inject;
 import com.google.inject.Singleton;
 import nu.marginalia.actor.state.ActorControlFlowException;
-import nu.marginalia.mq.MqMessageState;
-import nu.marginalia.mq.persistence.MqPersistence;
-import nu.marginalia.process.ProcessService;
 import nu.marginalia.mq.MqMessage;
+import nu.marginalia.mq.MqMessageState;
 import nu.marginalia.mq.outbox.MqOutbox;
+import nu.marginalia.mq.persistence.MqPersistence;
+import nu.marginalia.process.ProcessSpawnerService;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -20,13 +20,13 @@ public class ActorProcessWatcher {
 
     private static final Logger logger = LoggerFactory.getLogger(ActorProcessWatcher.class);
     private final MqPersistence persistence;
-    private final ProcessService processService;
+    private final ProcessSpawnerService processSpawnerService;
 
     @Inject
     public ActorProcessWatcher(MqPersistence persistence,
-                               ProcessService processService) {
+                               ProcessSpawnerService processSpawnerService) {
         this.persistence = persistence;
-        this.processService = processService;
+        this.processSpawnerService = processSpawnerService;
     }
 
     /** Wait for a process to start, and then wait for a response from the process,
@@ -36,7 +36,7 @@ public class ActorProcessWatcher {
      * <p>
      * When interrupted, the process is killed and the message is marked as dead.
      */
-    public MqMessage waitResponse(MqOutbox outbox, ProcessService.ProcessId processId, long msgId)
+    public MqMessage waitResponse(MqOutbox outbox, ProcessSpawnerService.ProcessId processId, long msgId)
             throws ActorControlFlowException, InterruptedException, SQLException
     {
         // enums values only have a single instance,
@@ -65,7 +65,7 @@ public class ActorProcessWatcher {
                 // This will prevent the monitor process from attempting to respawn the process as we kill it
 
                 outbox.flagAsDead(msgId);
-                processService.kill(processId);
+                processSpawnerService.kill(processId);
 
                 logger.info("Process {} killed due to interrupt", processId);
             }
@@ -94,12 +94,12 @@ public class ActorProcessWatcher {
     }
 
     /** Wait the specified time for the specified process to start running (does not start the process) */
-    private boolean waitForProcess(ProcessService.ProcessId processId, TimeUnit unit, int duration) throws InterruptedException {
+    private boolean waitForProcess(ProcessSpawnerService.ProcessId processId, TimeUnit unit, int duration) throws InterruptedException {
 
         // Wait for process to start
         long deadline = System.currentTimeMillis() + unit.toMillis(duration);
         while (System.currentTimeMillis() < deadline) {
-            if (processService.isRunning(processId))
+            if (processSpawnerService.isRunning(processId))
                 return true;
 
             TimeUnit.MILLISECONDS.sleep(100);

code/execution/java/nu/marginalia/actor/task/ConvertActor.java

@@ -12,7 +12,7 @@ import nu.marginalia.mq.MqMessageState;
 import nu.marginalia.mq.outbox.MqOutbox;
 import nu.marginalia.mqapi.converting.ConvertRequest;
 import nu.marginalia.process.ProcessOutboxes;
-import nu.marginalia.process.ProcessService;
+import nu.marginalia.process.ProcessSpawnerService;
 import nu.marginalia.sideload.RedditSideloadHelper;
 import nu.marginalia.sideload.SideloadHelper;
 import nu.marginalia.sideload.StackExchangeSideloadHelper;
@@ -218,7 +218,7 @@ public class ConvertActor extends RecordActorPrototype {
                 );
             }
             case ConvertWait(FileStorageId destFid, long msgId) -> {
-                var rsp = processWatcher.waitResponse(mqConverterOutbox, ProcessService.ProcessId.CONVERTER, msgId);
+                var rsp = processWatcher.waitResponse(mqConverterOutbox, ProcessSpawnerService.ProcessId.CONVERTER, msgId);
 
                 if (rsp.state() != MqMessageState.OK) {
                     yield new Error("Converter failed");

code/execution/java/nu/marginalia/actor/task/ConvertAndLoadActor.java

@@ -18,7 +18,7 @@ import nu.marginalia.mqapi.index.IndexName;
 import nu.marginalia.mqapi.loading.LoadRequest;
 import nu.marginalia.nodecfg.NodeConfigurationService;
 import nu.marginalia.process.ProcessOutboxes;
-import nu.marginalia.process.ProcessService;
+import nu.marginalia.process.ProcessSpawnerService;
 import nu.marginalia.service.module.ServiceConfiguration;
 import nu.marginalia.storage.FileStorageService;
 import nu.marginalia.storage.model.FileStorageId;
@@ -95,7 +95,7 @@ public class ConvertAndLoadActor extends RecordActorPrototype {
             case Convert(FileStorageId crawlId, FileStorageId processedId, long msgId) when msgId < 0 ->
                     new Convert(crawlId, processedId, mqConverterOutbox.sendAsync(ConvertRequest.forCrawlData(crawlId, processedId)));
             case Convert(FileStorageId crawlId, FileStorageId processedId, long msgId) -> {
-                var rsp = processWatcher.waitResponse(mqConverterOutbox, ProcessService.ProcessId.CONVERTER, msgId);
+                var rsp = processWatcher.waitResponse(mqConverterOutbox, ProcessSpawnerService.ProcessId.CONVERTER, msgId);
 
                 if (rsp.state() != MqMessageState.OK)
                     yield new Error("Converter failed");
@@ -129,7 +129,7 @@ public class ConvertAndLoadActor extends RecordActorPrototype {
                 yield new Load(processedIds, id);
             }
             case Load(List<FileStorageId> processedIds, long msgId) -> {
-                var rsp = processWatcher.waitResponse(mqLoaderOutbox, ProcessService.ProcessId.LOADER, msgId);
+                var rsp = processWatcher.waitResponse(mqLoaderOutbox, ProcessSpawnerService.ProcessId.LOADER, msgId);
 
                 if (rsp.state() != MqMessageState.OK) {
                     yield new Error("Loader failed");
@@ -165,7 +165,7 @@ public class ConvertAndLoadActor extends RecordActorPrototype {
             }
             case ReindexFwd(long id) when id < 0 -> new ReindexFwd(createIndex(IndexName.FORWARD));
             case ReindexFwd(long id) -> {
-                var rsp = processWatcher.waitResponse(mqIndexConstructorOutbox, ProcessService.ProcessId.INDEX_CONSTRUCTOR, id);
+                var rsp = processWatcher.waitResponse(mqIndexConstructorOutbox, ProcessSpawnerService.ProcessId.INDEX_CONSTRUCTOR, id);
 
                 if (rsp.state() != MqMessageState.OK)
                     yield new Error("Forward index construction failed");
@@ -174,7 +174,7 @@ public class ConvertAndLoadActor extends RecordActorPrototype {
             }
             case ReindexFull(long id) when id < 0 -> new ReindexFull(createIndex(IndexName.REVERSE_FULL));
             case ReindexFull(long id) -> {
-                var rsp = processWatcher.waitResponse(mqIndexConstructorOutbox, ProcessService.ProcessId.INDEX_CONSTRUCTOR, id);
+                var rsp = processWatcher.waitResponse(mqIndexConstructorOutbox, ProcessSpawnerService.ProcessId.INDEX_CONSTRUCTOR, id);
 
                 if (rsp.state() != MqMessageState.OK)
                     yield new Error("Full index construction failed");
@@ -183,7 +183,7 @@ public class ConvertAndLoadActor extends RecordActorPrototype {
             }
             case ReindexPrio(long id) when id < 0 -> new ReindexPrio(createIndex(IndexName.REVERSE_PRIO));
             case ReindexPrio(long id) -> {
-                var rsp = processWatcher.waitResponse(mqIndexConstructorOutbox, ProcessService.ProcessId.INDEX_CONSTRUCTOR, id);
+                var rsp = processWatcher.waitResponse(mqIndexConstructorOutbox, ProcessSpawnerService.ProcessId.INDEX_CONSTRUCTOR, id);
 
                 if (rsp.state() != MqMessageState.OK)
                     yield new Error("Prio index construction failed");

code/execution/java/nu/marginalia/actor/task/CrawlActor.java

@@ -13,7 +13,7 @@ import nu.marginalia.mq.MqMessageState;
 import nu.marginalia.mq.outbox.MqOutbox;
 import nu.marginalia.mqapi.crawling.CrawlRequest;
 import nu.marginalia.process.ProcessOutboxes;
-import nu.marginalia.process.ProcessService;
+import nu.marginalia.process.ProcessSpawnerService;
 import nu.marginalia.storage.FileStorageService;
 import nu.marginalia.storage.model.FileStorageId;
 import nu.marginalia.storage.model.FileStorageType;
@@ -76,7 +76,7 @@ public class CrawlActor extends RecordActorPrototype {
             case Crawl (long msgId, FileStorageId fid, boolean cascadeLoad) -> {
                 var rsp = processWatcher.waitResponse(
                         mqCrawlerOutbox,
-                        ProcessService.ProcessId.CRAWLER,
+                        ProcessSpawnerService.ProcessId.CRAWLER,
                         msgId);
 
                 if (rsp.state() != MqMessageState.OK) {

code/execution/java/nu/marginalia/actor/task/ExportAtagsActor.java

@@ -10,7 +10,7 @@ import nu.marginalia.mq.outbox.MqOutbox;
 import nu.marginalia.mq.persistence.MqPersistence;
 import nu.marginalia.mqapi.tasks.ExportTaskRequest;
 import nu.marginalia.process.ProcessOutboxes;
-import nu.marginalia.process.ProcessService;
+import nu.marginalia.process.ProcessSpawnerService;
 import nu.marginalia.storage.FileStorageService;
 import nu.marginalia.storage.model.FileStorageId;
 import nu.marginalia.storage.model.FileStorageState;
@@ -55,7 +55,7 @@ public class ExportAtagsActor extends RecordActorPrototype {
                 yield new Run(responseMsgId, crawlId, destId, newMsgId);
             }
             case Run(long responseMsgId, FileStorageId crawlId, FileStorageId destId, long msgId) -> {
-                var rsp = processWatcher.waitResponse(exportTasksOutbox, ProcessService.ProcessId.EXPORT_TASKS, msgId);
+                var rsp = processWatcher.waitResponse(exportTasksOutbox, ProcessSpawnerService.ProcessId.EXPORT_TASKS, msgId);
 
                 if (rsp.state() != MqMessageState.OK) {
                     storageService.flagFileForDeletion(destId);

code/execution/java/nu/marginalia/actor/task/ExportFeedsActor.java

@@ -10,7 +10,7 @@ import nu.marginalia.mq.outbox.MqOutbox;
 import nu.marginalia.mq.persistence.MqPersistence;
 import nu.marginalia.mqapi.tasks.ExportTaskRequest;
 import nu.marginalia.process.ProcessOutboxes;
-import nu.marginalia.process.ProcessService;
+import nu.marginalia.process.ProcessSpawnerService;
 import nu.marginalia.storage.FileStorageService;
 import nu.marginalia.storage.model.FileStorageId;
 import nu.marginalia.storage.model.FileStorageState;
@@ -54,7 +54,7 @@ public class ExportFeedsActor extends RecordActorPrototype {
                 yield new Run(responseMsgId, crawlId, destId, newMsgId);
             }
             case Run(long responseMsgId, _, FileStorageId destId, long msgId) -> {
-                var rsp = processWatcher.waitResponse(exportTasksOutbox, ProcessService.ProcessId.EXPORT_TASKS, msgId);
+                var rsp = processWatcher.waitResponse(exportTasksOutbox, ProcessSpawnerService.ProcessId.EXPORT_TASKS, msgId);
 
                 if (rsp.state() != MqMessageState.OK) {
                     storageService.flagFileForDeletion(destId);

code/execution/java/nu/marginalia/actor/task/ExportSampleDataActor.java

@@ -9,7 +9,7 @@ import nu.marginalia.mq.MqMessageState;
 import nu.marginalia.mq.outbox.MqOutbox;
 import nu.marginalia.mqapi.tasks.ExportTaskRequest;
 import nu.marginalia.process.ProcessOutboxes;
-import nu.marginalia.process.ProcessService;
+import nu.marginalia.process.ProcessSpawnerService;
 import nu.marginalia.storage.FileStorageService;
 import nu.marginalia.storage.model.FileStorageId;
 import nu.marginalia.storage.model.FileStorageState;
@@ -52,7 +52,7 @@ public class ExportSampleDataActor extends RecordActorPrototype {
                 yield new Run(crawlId, destId, size, ctFilter, name, newMsgId);
             }
             case Run(_, FileStorageId destId, _, _, _, long msgId) -> {
-                var rsp = processWatcher.waitResponse(exportTasksOutbox, ProcessService.ProcessId.EXPORT_TASKS, msgId);
+                var rsp = processWatcher.waitResponse(exportTasksOutbox, ProcessSpawnerService.ProcessId.EXPORT_TASKS, msgId);
 
                 if (rsp.state() != MqMessageState.OK) {
                     storageService.flagFileForDeletion(destId);

code/execution/java/nu/marginalia/actor/task/ExportTermFreqActor.java

@@ -10,7 +10,7 @@ import nu.marginalia.mq.outbox.MqOutbox;
 import nu.marginalia.mq.persistence.MqPersistence;
 import nu.marginalia.mqapi.tasks.ExportTaskRequest;
 import nu.marginalia.process.ProcessOutboxes;
-import nu.marginalia.process.ProcessService;
+import nu.marginalia.process.ProcessSpawnerService;
 import nu.marginalia.storage.FileStorageService;
 import nu.marginalia.storage.model.FileStorageId;
 import nu.marginalia.storage.model.FileStorageState;
@@ -52,7 +52,7 @@ public class ExportTermFreqActor extends RecordActorPrototype {
                 yield new Run(responseMsgId, crawlId, destId, newMsgId);
             }
             case Run(long responseMsgId, _, FileStorageId destId, long msgId) -> {
-                var rsp = processWatcher.waitResponse(exportTasksOutbox, ProcessService.ProcessId.EXPORT_TASKS, msgId);
+                var rsp = processWatcher.waitResponse(exportTasksOutbox, ProcessSpawnerService.ProcessId.EXPORT_TASKS, msgId);
 
                 if (rsp.state() != MqMessageState.OK) {
                     storageService.flagFileForDeletion(destId);

code/execution/java/nu/marginalia/actor/task/LiveCrawlActor.java

@@ -13,7 +13,7 @@ import nu.marginalia.mq.MqMessageState;
 import nu.marginalia.mq.outbox.MqOutbox;
 import nu.marginalia.mqapi.crawling.LiveCrawlRequest;
 import nu.marginalia.process.ProcessOutboxes;
-import nu.marginalia.process.ProcessService;
+import nu.marginalia.process.ProcessSpawnerService;
 import nu.marginalia.storage.FileStorageService;
 import org.apache.commons.io.FileUtils;
 import org.slf4j.Logger;
@@ -44,7 +44,6 @@ public class LiveCrawlActor extends RecordActorPrototype {
 
     @Override
     public ActorStep transition(ActorStep self) throws Exception {
-        logger.info("{}", self);
         return switch (self) {
             case Initial() -> {
                 yield new Monitor("-");
@@ -75,7 +74,7 @@ public class LiveCrawlActor extends RecordActorPrototype {
                 yield new LiveCrawl(feedsHash, id);
             }
             case LiveCrawl(String feedsHash, long msgId) -> {
-                var rsp = processWatcher.waitResponse(mqLiveCrawlerOutbox, ProcessService.ProcessId.LIVE_CRAWLER, msgId);
+                var rsp = processWatcher.waitResponse(mqLiveCrawlerOutbox, ProcessSpawnerService.ProcessId.LIVE_CRAWLER, msgId);
 
                 if (rsp.state() != MqMessageState.OK) {
                     yield new Error("Crawler failed");

code/execution/java/nu/marginalia/actor/task/RecrawlSingleDomainActor.java

@@ -11,7 +11,7 @@ import nu.marginalia.mq.MqMessageState;
 import nu.marginalia.mq.outbox.MqOutbox;
 import nu.marginalia.mqapi.crawling.CrawlRequest;
 import nu.marginalia.process.ProcessOutboxes;
-import nu.marginalia.process.ProcessService;
+import nu.marginalia.process.ProcessSpawnerService;
 import nu.marginalia.storage.FileStorageService;
 import nu.marginalia.storage.model.FileStorageId;
 import nu.marginalia.storage.model.FileStorageType;
@@ -51,7 +51,7 @@ public class RecrawlSingleDomainActor extends RecordActorPrototype {
             case Crawl (long msgId) -> {
                 var rsp = processWatcher.waitResponse(
                         mqCrawlerOutbox,
-                        ProcessService.ProcessId.CRAWLER,
+                        ProcessSpawnerService.ProcessId.CRAWLER,
                         msgId);
 
                 if (rsp.state() != MqMessageState.OK) {

code/execution/java/nu/marginalia/actor/task/TriggerAdjacencyCalculationActor.java

@@ -9,7 +9,7 @@ import nu.marginalia.mq.MqMessageState;
 import nu.marginalia.mq.outbox.MqOutbox;
 import nu.marginalia.mqapi.tasks.ExportTaskRequest;
 import nu.marginalia.process.ProcessOutboxes;
-import nu.marginalia.process.ProcessService;
+import nu.marginalia.process.ProcessSpawnerService;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -34,7 +34,7 @@ public class TriggerAdjacencyCalculationActor extends RecordActorPrototype {
                 yield new Run(newMsgId);
             }
             case Run(long msgId) -> {
-                var rsp = processWatcher.waitResponse(exportTasksOutbox, ProcessService.ProcessId.EXPORT_TASKS, msgId);
+                var rsp = processWatcher.waitResponse(exportTasksOutbox, ProcessSpawnerService.ProcessId.EXPORT_TASKS, msgId);
 
                 if (rsp.state() != MqMessageState.OK) {
                     yield new Error("Exporter failed");

code/execution/java/nu/marginalia/actor/task/UpdateNsfwFiltersActor.java

@@ -5,6 +5,8 @@ import com.google.inject.Inject;
 import com.google.inject.Singleton;
 import nu.marginalia.actor.prototype.RecordActorPrototype;
 import nu.marginalia.actor.state.ActorStep;
+import nu.marginalia.mq.MqMessageState;
+import nu.marginalia.mq.persistence.MqPersistence;
 import nu.marginalia.nsfw.NsfwDomainFilter;
 import nu.marginalia.service.module.ServiceConfiguration;
 
@@ -12,23 +14,26 @@ import nu.marginalia.service.module.ServiceConfiguration;
 public class UpdateNsfwFiltersActor extends RecordActorPrototype {
     private final ServiceConfiguration serviceConfiguration;
     private final NsfwDomainFilter nsfwDomainFilter;
+    private final MqPersistence persistence;
 
-    public record Initial() implements ActorStep {}
-    public record Run() implements ActorStep {}
+    public record Initial(long respondMsgId) implements ActorStep {}
+    public record Run(long respondMsgId) implements ActorStep {}
 
     @Override
     public ActorStep transition(ActorStep self) throws Exception {
         return switch(self) {
-            case Initial() -> {
+            case Initial(long respondMsgId) -> {
                 if (serviceConfiguration.node() != 1) {
+                    persistence.updateMessageState(respondMsgId, MqMessageState.ERR);
                     yield new Error("This actor can only run on node 1");
                 }
                 else {
-                    yield new Run();
+                    yield new Run(respondMsgId);
                 }
             }
-            case Run() -> {
+            case Run(long respondMsgId) -> {
                 nsfwDomainFilter.fetchLists();
+                persistence.updateMessageState(respondMsgId, MqMessageState.OK);
                 yield new End();
             }
             default -> new Error();
@@ -43,11 +48,13 @@ public class UpdateNsfwFiltersActor extends RecordActorPrototype {
     @Inject
     public UpdateNsfwFiltersActor(Gson gson,
                                   ServiceConfiguration serviceConfiguration,
-                                  NsfwDomainFilter nsfwDomainFilter)
+                                  NsfwDomainFilter nsfwDomainFilter,
+                                  MqPersistence persistence)
     {
         super(gson);
         this.serviceConfiguration = serviceConfiguration;
         this.nsfwDomainFilter = nsfwDomainFilter;
+        this.persistence = persistence;
     }
 
 }

code/execution/java/nu/marginalia/execution/ExecutorGrpcService.java

@@ -10,6 +10,7 @@ import nu.marginalia.actor.state.ActorStateInstance;
 import nu.marginalia.actor.task.DownloadSampleActor;
 import nu.marginalia.actor.task.RestoreBackupActor;
 import nu.marginalia.actor.task.TriggerAdjacencyCalculationActor;
+import nu.marginalia.actor.task.UpdateNsfwFiltersActor;
 import nu.marginalia.functions.execution.api.*;
 import nu.marginalia.service.module.ServiceConfiguration;
 import nu.marginalia.service.server.DiscoverableService;
@@ -263,4 +264,19 @@ public class ExecutorGrpcService
         System.exit(0);
     }
 
+    @Override
+    public void updateNsfwFilters(RpcUpdateNsfwFilters request, StreamObserver<Empty> responseObserver) {
+        logger.info("Got request {}", request);
+        try {
+            actorControlService.startFrom(ExecutorActor.UPDATE_NSFW_LISTS,
+                    new UpdateNsfwFiltersActor.Initial(request.getMsgId()));
+
+            responseObserver.onNext(Empty.getDefaultInstance());
+            responseObserver.onCompleted();
+        }
+        catch (Exception e) {
+            logger.error("Failed to update nsfw filters", e);
+            responseObserver.onError(e);
+        }
+    }
 }

code/execution/java/nu/marginalia/process/ProcessSpawnerService.java

@@ -29,7 +29,7 @@ import java.util.List;
 import java.util.concurrent.ConcurrentHashMap;
 
 @Singleton
-public class ProcessService {
+public class ProcessSpawnerService {
     private final Logger logger = LoggerFactory.getLogger(getClass());
     private final Marker processMarker = MarkerFactory.getMarker("PROCESS");
 
@@ -88,7 +88,7 @@ public class ProcessService {
     }
 
     @Inject
-    public ProcessService(BaseServiceParams params) {
+    public ProcessSpawnerService(BaseServiceParams params) {
         this.eventLog = params.eventLog;
         this.node = params.configuration.node();
     }

code/functions/domain-info/api/java/nu/marginalia/api/domains/DomainInfoClient.java

@@ -2,6 +2,8 @@ package nu.marginalia.api.domains;
 
 import com.google.inject.Inject;
 import com.google.inject.Singleton;
+import nu.marginalia.api.domains.model.DomainInformation;
+import nu.marginalia.api.domains.model.SimilarDomain;
 import nu.marginalia.service.client.GrpcChannelPoolFactory;
 import nu.marginalia.service.client.GrpcSingleNodeChannelPool;
 import nu.marginalia.service.discovery.property.ServiceKey;
@@ -10,16 +12,19 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import java.util.List;
-import java.util.concurrent.*;
-
-import nu.marginalia.api.domains.model.*;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.concurrent.Future;
 
 @Singleton
 public class DomainInfoClient {
     private static final Logger logger = LoggerFactory.getLogger(DomainInfoClient.class);
 
     private final GrpcSingleNodeChannelPool<DomainInfoAPIGrpc.DomainInfoAPIBlockingStub> channelPool;
-    private final ExecutorService executor = Executors.newWorkStealingPool(8);
+
+
+    private static final boolean useLoom = Boolean.getBoolean("system.experimentalUseLoom");
+    private static final ExecutorService executor = useLoom ? Executors.newVirtualThreadPerTaskExecutor() : Executors.newWorkStealingPool(8);
 
     @Inject
     public DomainInfoClient(GrpcChannelPoolFactory factory) {

code/functions/live-capture/api/java/nu/marginalia/api/feeds/FeedsClient.java

@@ -11,6 +11,7 @@ import nu.marginalia.service.discovery.property.ServicePartition;
 import nu.marginalia.service.module.ServiceConfiguration;
 
 import javax.annotation.CheckReturnValue;
+import java.time.Duration;
 import java.time.Instant;
 import java.util.ArrayList;
 import java.util.List;
@@ -23,7 +24,9 @@ import java.util.function.BiConsumer;
 
 @Singleton
 public class FeedsClient {
-    private final ExecutorService executorService = Executors.newCachedThreadPool();
+    private static final boolean useLoom = Boolean.getBoolean("system.experimentalUseLoom");
+    private static final ExecutorService executorService = useLoom ? Executors.newVirtualThreadPerTaskExecutor() : Executors.newCachedThreadPool();
+
     private final GrpcSingleNodeChannelPool<FeedApiGrpc.FeedApiBlockingStub> channelPool;
     private final MqOutbox updateFeedsOutbox;
 
@@ -59,6 +62,11 @@ public class FeedsClient {
                 .forEachRemaining(rsp -> consumer.accept(rsp.getDomain(), new ArrayList<>(rsp.getUrlList())));
     }
 
+    public boolean waitReady(Duration duration) throws InterruptedException {
+        return channelPool.awaitChannel(duration);
+    }
+
+
     /** Get the hash of the feed data, for identifying when the data has been updated */
     public String getFeedDataHash() {
         return channelPool.call(FeedApiGrpc.FeedApiBlockingStub::getFeedDataHash)

code/functions/math/api/java/nu/marginalia/api/math/MathClient.java

@@ -26,7 +26,9 @@ public class MathClient {
     private static final Logger logger = LoggerFactory.getLogger(MathClient.class);
 
     private final GrpcSingleNodeChannelPool<MathApiGrpc.MathApiBlockingStub> channelPool;
-    private final ExecutorService executor = Executors.newWorkStealingPool(8);
+
+    private static final boolean useLoom = Boolean.getBoolean("system.experimentalUseLoom");
+    private static final ExecutorService executor = useLoom ? Executors.newVirtualThreadPerTaskExecutor() : Executors.newWorkStealingPool(8);
 
     @Inject
     public MathClient(GrpcChannelPoolFactory factory) {

code/index/api/java/nu/marginalia/index/api/IndexClient.java

@@ -38,7 +38,9 @@ public class IndexClient {
             .help("Count of results filtered by NSFW tier")
             .register();
 
-    private static final ExecutorService executor = Executors.newCachedThreadPool();
+
+    private static final boolean useLoom = Boolean.getBoolean("system.experimentalUseLoom");
+    private static final ExecutorService executor = useLoom ? Executors.newVirtualThreadPerTaskExecutor() : Executors.newCachedThreadPool();
 
     @Inject
     public IndexClient(GrpcChannelPoolFactory channelPoolFactory,

code/processes/converting-process/java/nu/marginalia/converting/processor/DocumentProcessor.java

@@ -19,6 +19,8 @@ import nu.marginalia.model.crawldata.CrawlerDocumentStatus;
 import nu.marginalia.model.idx.WordFlags;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+import org.slf4j.Marker;
+import org.slf4j.MarkerFactory;
 
 import java.io.IOException;
 import java.net.URISyntaxException;
@@ -37,6 +39,7 @@ public class DocumentProcessor {
             "text/plain",
             "application/pdf");
 
+    private final Marker converterAuditMarker = MarkerFactory.getMarker("CONVERTER");
 
     private final List<AbstractDocumentProcessorPlugin> processorPlugins = new ArrayList<>();
     private final AnchorTextKeywords anchorTextKeywords;
@@ -81,12 +84,13 @@ public class DocumentProcessor {
         catch (DisqualifiedException ex) {
             ret.state = UrlIndexingState.DISQUALIFIED;
             ret.stateReason = ex.reason.toString();
-            logger.debug("Disqualified {}: {}", ret.url, ex.reason);
+            logger.info(converterAuditMarker, "Disqualified {}: {}", ret.url, ex.reason);
         }
         catch (Exception ex) {
             ret.state = UrlIndexingState.DISQUALIFIED;
             ret.stateReason = DisqualifiedException.DisqualificationReason.PROCESSING_EXCEPTION.toString();
-            logger.info("Failed to convert " + crawledDocument.url, ex);
+            logger.info(converterAuditMarker, "Failed to convert {}: {}", crawledDocument.url, ex.getClass().getSimpleName());
+            logger.warn(converterAuditMarker, "Failed to convert " + crawledDocument.url, ex);
         }
 
         return ret;

code/processes/converting-process/java/nu/marginalia/converting/processor/logic/DocumentLengthLogic.java

@@ -3,7 +3,6 @@ package nu.marginalia.converting.processor.logic;
 import com.google.inject.Inject;
 import com.google.inject.Singleton;
 import com.google.inject.name.Named;
-import nu.marginalia.converting.model.DisqualifiedException;
 import nu.marginalia.language.model.DocumentLanguageData;
 
 @Singleton
@@ -26,12 +25,9 @@ public class DocumentLengthLogic {
         return (int) Math.round((totalWords / (double) numSentences) / 4.);
     }
 
-    public void validateLength(DocumentLanguageData dld,
-                               double modifier) throws DisqualifiedException
+    public boolean validateLength(DocumentLanguageData dld, double modifier)
     {
-        if (modifier * dld.totalNumWords() < minDocumentLength) {
-            throw new DisqualifiedException(DisqualifiedException.DisqualificationReason.LENGTH);
-        }
+        return modifier * dld.totalNumWords() >= minDocumentLength;
     }
 
 }

code/processes/converting-process/java/nu/marginalia/converting/processor/plugin/HtmlDocumentProcessorPlugin.java

@@ -68,6 +68,7 @@ public class HtmlDocumentProcessorPlugin extends AbstractDocumentProcessorPlugin
     private final HtmlProcessorSpecializations htmlProcessorSpecializations;
 
     private static final int MAX_DOCUMENT_LENGTH_BYTES = Integer.getInteger("converter.max-body-length",128_000);
+    private static boolean lenientProcessing = Boolean.getBoolean("converter.lenientProcessing");
 
     @Inject
     public HtmlDocumentProcessorPlugin(
@@ -108,13 +109,13 @@ public class HtmlDocumentProcessorPlugin extends AbstractDocumentProcessorPlugin
                                           DocumentClass documentClass)
             throws DisqualifiedException, URISyntaxException, IOException {
 
-        if (languageFilter.isBlockedUnicodeRange(crawledDocument.documentBody(512))) {
+        if (!lenientProcessing && languageFilter.isBlockedUnicodeRange(crawledDocument.documentBody(512))) {
             throw new DisqualifiedException(DisqualificationReason.LANGUAGE);
         }
 
         Document doc = crawledDocument.parseBody();
 
-        if (AcceptableAds.hasAcceptableAdsTag(doc)) {
+        if (!lenientProcessing && AcceptableAds.hasAcceptableAdsTag(doc)) {
             throw new DisqualifiedException(DisqualifiedException.DisqualificationReason.ACCEPTABLE_ADS);
         }
 
@@ -129,25 +130,27 @@ public class HtmlDocumentProcessorPlugin extends AbstractDocumentProcessorPlugin
 
         final var specialization = htmlProcessorSpecializations.select(generatorParts, url);
 
-        if (!specialization.shouldIndex(url)) {
+        if (!lenientProcessing && !specialization.shouldIndex(url)) {
             throw new DisqualifiedException(DisqualificationReason.IRRELEVANT);
         }
 
         var prunedDoc = specialization.prune(doc);
 
-
         final int length = getLength(doc);
         final DocumentFormat format = getDocumentFormat(doc);
         final double quality = documentValuator.getQuality(crawledDocument, format, doc, length);
 
-        if (isDisqualified(documentClass, url, quality, doc.title())) {
+        if (!lenientProcessing && isDisqualified(documentClass, url, quality, doc.title())) {
             throw new DisqualifiedException(DisqualificationReason.QUALITY);
         }
 
         DocumentLanguageData dld = sentenceExtractorProvider.get().extractSentences(prunedDoc);
 
         checkDocumentLanguage(dld);
-        documentLengthLogic.validateLength(dld, specialization.lengthModifier() * documentClass.lengthLimitModifier());
+
+        if (!lenientProcessing && !documentLengthLogic.validateLength(dld, specialization.lengthModifier() * documentClass.lengthLimitModifier())) {
+            throw new DisqualifiedException(DisqualifiedException.DisqualificationReason.LENGTH);
+        }
 
         var ret = new ProcessedDocumentDetails();
 

code/processes/converting-process/java/nu/marginalia/converting/processor/plugin/PdfDocumentProcessorPlugin.java

@@ -43,6 +43,7 @@ public class PdfDocumentProcessorPlugin extends AbstractDocumentProcessorPlugin
     private final DefaultSpecialization defaultSpecialization;
 
     private static final Logger logger = LoggerFactory.getLogger(PdfDocumentProcessorPlugin.class);
+    private static boolean lenientProcessing = Boolean.getBoolean("converter.lenientProcessing");
 
     @Inject
     public PdfDocumentProcessorPlugin(@Named("max-title-length") Integer maxTitleLength,
@@ -81,7 +82,7 @@ public class PdfDocumentProcessorPlugin extends AbstractDocumentProcessorPlugin
 
         String documentBody = crawledDocument.documentBody();
 
-        if (languageFilter.isBlockedUnicodeRange(documentBody)) {
+        if (!lenientProcessing && languageFilter.isBlockedUnicodeRange(documentBody)) {
             throw new DisqualifiedException(DisqualifiedException.DisqualificationReason.LANGUAGE);
         }
 
@@ -100,7 +101,9 @@ public class PdfDocumentProcessorPlugin extends AbstractDocumentProcessorPlugin
 
         checkDocumentLanguage(dld);
 
-        documentLengthLogic.validateLength(dld, 1.0);
+        if (!lenientProcessing && !documentLengthLogic.validateLength(dld, 1.0)) {
+            throw new DisqualifiedException(DisqualifiedException.DisqualificationReason.LENGTH);
+        }
 
         var ret = new ProcessedDocumentDetails();
 

code/processes/converting-process/java/nu/marginalia/converting/processor/plugin/PlainTextDocumentProcessorPlugin.java

@@ -37,6 +37,8 @@ public class PlainTextDocumentProcessorPlugin extends AbstractDocumentProcessorP
     private final ThreadLocalSentenceExtractorProvider sentenceExtractorProvider;
     private final DocumentLengthLogic documentLengthLogic;
 
+    private static boolean lenientProcessing = Boolean.getBoolean("converter.lenientProcessing");
+
 
     @Inject
     public PlainTextDocumentProcessorPlugin(@Named("max-title-length") Integer maxTitleLength,
@@ -73,7 +75,7 @@ public class PlainTextDocumentProcessorPlugin extends AbstractDocumentProcessorP
 
         String documentBody = crawledDocument.documentBody();
 
-        if (languageFilter.isBlockedUnicodeRange(documentBody)) {
+        if (!lenientProcessing && languageFilter.isBlockedUnicodeRange(documentBody)) {
             throw new DisqualifiedException(DisqualifiedException.DisqualificationReason.LANGUAGE);
         }
 
@@ -83,7 +85,9 @@ public class PlainTextDocumentProcessorPlugin extends AbstractDocumentProcessorP
 
         checkDocumentLanguage(dld);
 
-        documentLengthLogic.validateLength(dld, 1.0);
+        if (!lenientProcessing && !documentLengthLogic.validateLength(dld, 1.0)) {
+            throw new DisqualifiedException(DisqualifiedException.DisqualificationReason.LENGTH);
+        }
 
         var ret = new ProcessedDocumentDetails();
 

code/processes/crawling-process/model/java/nu/marginalia/model/crawldata/CrawledDocument.java

@@ -28,6 +28,8 @@ public final class CrawledDocument implements SerializableCrawlData {
     @Nullable
     public String headers;
 
+    private static int MAX_LENGTH_BYTES = 500_000;
+
     public String documentBody() {
         return DocumentBodyToString.getStringData(
                 ContentType.parse(contentType),
@@ -65,7 +67,7 @@ public final class CrawledDocument implements SerializableCrawlData {
         return DocumentBodyToString.getParsedData(
                 ContentType.parse(contentType),
                 documentBodyBytes,
-                200_000,
+                MAX_LENGTH_BYTES,
                 url);
     }
 

code/processes/live-crawling-process/build.gradle

@@ -50,6 +50,7 @@ dependencies {
 
     implementation libs.notnull
     implementation libs.guava
+    implementation libs.httpclient
     implementation dependencies.create(libs.guice.get()) {
         exclude group: 'com.google.guava'
     }

code/processes/live-crawling-process/java/nu/marginalia/livecrawler/LiveCrawlerMain.java

@@ -15,6 +15,7 @@ import nu.marginalia.coordination.DomainCoordinator;
 import nu.marginalia.db.DbDomainQueries;
 import nu.marginalia.db.DomainBlacklist;
 import nu.marginalia.io.SerializableCrawlDataStream;
+import nu.marginalia.livecrawler.io.HttpClientProvider;
 import nu.marginalia.loading.LoaderInputData;
 import nu.marginalia.loading.documents.DocumentLoaderService;
 import nu.marginalia.loading.documents.KeywordLoaderService;
@@ -32,12 +33,15 @@ import nu.marginalia.service.module.ServiceDiscoveryModule;
 import nu.marginalia.storage.FileStorageService;
 import nu.marginalia.storage.model.FileStorageBaseType;
 import org.apache.commons.io.FileUtils;
+import org.apache.hc.client5.http.impl.classic.CloseableHttpClient;
+import org.apache.hc.core5.io.CloseMode;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import java.nio.file.Files;
 import java.nio.file.Path;
 import java.security.Security;
+import java.time.Duration;
 import java.time.Instant;
 import java.time.temporal.ChronoUnit;
 import java.util.HashMap;
@@ -74,7 +78,9 @@ public class LiveCrawlerMain extends ProcessMainClass {
                            DomainProcessor domainProcessor,
                            FileStorageService fileStorageService,
                            KeywordLoaderService keywordLoaderService,
-                           DocumentLoaderService documentLoaderService, DomainCoordinator domainCoordinator, HikariDataSource dataSource)
+                           DocumentLoaderService documentLoaderService,
+                           DomainCoordinator domainCoordinator,
+                           HikariDataSource dataSource)
             throws Exception
     {
         super(messageQueueFactory, config, gson, LIVE_CRAWLER_INBOX);
@@ -148,7 +154,10 @@ public class LiveCrawlerMain extends ProcessMainClass {
     }
 
     private void run() throws Exception {
-        Path basePath = fileStorageService.getStorageBase(FileStorageBaseType.STORAGE).asPath().resolve("live-crawl-data");
+        Path basePath = fileStorageService
+                .getStorageBase(FileStorageBaseType.STORAGE)
+                .asPath()
+                .resolve("live-crawl-data");
 
         if (!Files.isDirectory(basePath)) {
             Files.createDirectories(basePath);
@@ -163,21 +172,38 @@ public class LiveCrawlerMain extends ProcessMainClass {
         {
             final Instant cutoff = Instant.now().minus(60, ChronoUnit.DAYS);
 
+            /* ------------------------------------------------ */
+            /* Fetch the latest domains from the feeds database */
+            /* ------------------------------------------------ */
+
             processHeartbeat.progress(LiveCrawlState.FETCH_LINKS);
 
             Map<String, List<String>> urlsPerDomain = new HashMap<>(10_000);
+            if (!feedsClient.waitReady(Duration.ofHours(1))) {
+                throw new RuntimeException("Feeds client never became ready, cannot proceed with live crawling");
+            }
             feedsClient.getUpdatedDomains(cutoff, urlsPerDomain::put);
 
             logger.info("Fetched data for {} domains", urlsPerDomain.size());
 
+
+            /* ------------------------------------- */
+            /* Prune the database from old entries   */
+            /* ------------------------------------- */
+
             processHeartbeat.progress(LiveCrawlState.PRUNE_DB);
 
-            // Remove data that is too old
             dataSet.prune(cutoff);
 
+
+            /* ------------------------------------- */
+            /* Fetch the links for each domain       */
+            /* ------------------------------------- */
+
             processHeartbeat.progress(LiveCrawlState.CRAWLING);
 
-            try (SimpleLinkScraper fetcher = new SimpleLinkScraper(dataSet, domainCoordinator, domainQueries, domainBlacklist);
+            CloseableHttpClient client = HttpClientProvider.createClient();
+            try (SimpleLinkScraper fetcher = new SimpleLinkScraper(dataSet, domainCoordinator, domainQueries, client, domainBlacklist);
                  var hb = heartbeat.createAdHocTaskHeartbeat("Live Crawling"))
             {
                 for (Map.Entry<String, List<String>> entry : hb.wrap("Fetching", urlsPerDomain.entrySet())) {
@@ -190,18 +216,29 @@ public class LiveCrawlerMain extends ProcessMainClass {
                     fetcher.scheduleRetrieval(domain, urls);
                 }
             }
+            finally {
+                client.close(CloseMode.GRACEFUL);
+            }
 
             Path tempPath = dataSet.createWorkDir();
 
+
             try {
+                /* ------------------------------------- */
+                /* Process the fetched links             */
+                /* ------------------------------------- */
+
                 processHeartbeat.progress(LiveCrawlState.PROCESSING);
 
                 try (var hb = heartbeat.createAdHocTaskHeartbeat("Processing");
                      var writer = new ConverterBatchWriter(tempPath, 0)
                 ) {
-                    // Offset the documents' ordinals toward the upper range, to avoid an ID collisions with the
-                    // main indexes (the maximum permissible for doc ordinal is  value is 67_108_863, so this
-                    // leaves us with a lot of headroom still)
+                    // We need unique document ids that do not collide with the document id from the main index,
+                    // so we offset the documents' ordinals toward the upper range.
+                    //
+                    // The maximum permissible for doc ordinal is value is 67_108_863,
+                    // so this leaves us with a lot of headroom still!
+                    // Expected document count here is order of 10 :^)
                     writer.setOrdinalOffset(67_000_000);
 
                     for (SerializableCrawlDataStream stream : hb.wrap("Processing", dataSet.getDataStreams())) {
@@ -209,10 +246,15 @@ public class LiveCrawlerMain extends ProcessMainClass {
                     }
                 }
 
+
+                /* ---------------------------------------------- */
+                /* Load the processed data into the link database */
+                /* and construct an index journal for the docs    */
+                /* ---------------------------------------------- */
+
                 processHeartbeat.progress(LiveCrawlState.LOADING);
 
                 LoaderInputData lid = new LoaderInputData(tempPath, 1);
-
                 DomainIdRegistry domainIdRegistry = new DbDomainIdRegistry(dataSource);
 
                 keywordLoaderService.loadKeywords(domainIdRegistry, heartbeat, lid);
@@ -224,9 +266,16 @@ public class LiveCrawlerMain extends ProcessMainClass {
                 FileUtils.deleteDirectory(tempPath.toFile());
             }
 
-            // Construct the index
+
+            /* ------------------------------------- */
+            /*  Finish up                            */
+            /* ------------------------------------- */
 
             processHeartbeat.progress(LiveCrawlState.DONE);
+
+            // After we return from here, the LiveCrawlActor will trigger an index construction
+            // job.  Unlike all the stuff we did in this process, it's identical to the real job
+            // so we don't need to do anything special from this process
         }
     }
 

code/processes/live-crawling-process/java/nu/marginalia/livecrawler/SimpleLinkScraper.java

@@ -7,7 +7,6 @@ import nu.marginalia.contenttype.ContentType;
 import nu.marginalia.contenttype.DocumentBodyToString;
 import nu.marginalia.coordination.DomainCoordinator;
 import nu.marginalia.coordination.DomainLock;
-import nu.marginalia.crawl.fetcher.HttpFetcherImpl;
 import nu.marginalia.crawl.retreival.CrawlDelayTimer;
 import nu.marginalia.db.DbDomainQueries;
 import nu.marginalia.db.DomainBlacklist;
@@ -15,24 +14,21 @@ import nu.marginalia.link_parser.LinkParser;
 import nu.marginalia.model.EdgeDomain;
 import nu.marginalia.model.EdgeUrl;
 import nu.marginalia.util.SimpleBlockingThreadPool;
+import org.apache.hc.client5.http.classic.HttpClient;
+import org.apache.hc.core5.http.ClassicHttpRequest;
+import org.apache.hc.core5.http.io.entity.EntityUtils;
+import org.apache.hc.core5.http.io.support.ClassicRequestBuilder;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import javax.annotation.Nullable;
-import java.io.ByteArrayInputStream;
 import java.io.IOException;
 import java.net.URISyntaxException;
-import java.net.http.HttpClient;
-import java.net.http.HttpHeaders;
-import java.net.http.HttpRequest;
-import java.net.http.HttpResponse;
-import java.time.Duration;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Optional;
 import java.util.concurrent.ThreadLocalRandom;
 import java.util.concurrent.TimeUnit;
-import java.util.zip.GZIPInputStream;
 
 /** A simple link scraper that fetches URLs and stores them in a database,
  * with no concept of a crawl frontier, WARC output, or other advanced features
@@ -45,20 +41,21 @@ public class SimpleLinkScraper implements AutoCloseable {
     private final LiveCrawlDataSet dataSet;
     private final DbDomainQueries domainQueries;
     private final DomainBlacklist domainBlacklist;
-    private final Duration connectTimeout = Duration.ofSeconds(10);
-    private final Duration readTimeout = Duration.ofSeconds(10);
     private final DomainCoordinator domainCoordinator;
 
     private final static int MAX_SIZE = Integer.getInteger("crawler.maxFetchSize", 10 * 1024 * 1024);
+    private final HttpClient httpClient;
 
     public SimpleLinkScraper(LiveCrawlDataSet dataSet,
                              DomainCoordinator domainCoordinator,
                              DbDomainQueries domainQueries,
+                             HttpClient httpClient,
                              DomainBlacklist domainBlacklist) {
         this.dataSet = dataSet;
         this.domainCoordinator = domainCoordinator;
         this.domainQueries = domainQueries;
         this.domainBlacklist = domainBlacklist;
+        this.httpClient = httpClient;
     }
 
     public void scheduleRetrieval(EdgeDomain domain, List<String> urls) {
@@ -75,17 +72,19 @@ public class SimpleLinkScraper implements AutoCloseable {
 
         EdgeUrl rootUrl = domain.toRootUrlHttps();
 
-        List<EdgeUrl> relevantUrls = new ArrayList<>();
+        List<EdgeUrl> relevantUrls = new ArrayList<>(Math.max(1, urls.size()));
 
+        // Resolve absolute URLs
         for (var url : urls) {
             Optional<EdgeUrl> optParsedUrl = lp.parseLink(rootUrl, url);
-            if (optParsedUrl.isEmpty()) {
+
+            if (optParsedUrl.isEmpty())
                 continue;
-            }
-            if (dataSet.hasUrl(optParsedUrl.get())) {
-                continue;
-            }
-            relevantUrls.add(optParsedUrl.get());
+
+            EdgeUrl absoluteUrl = optParsedUrl.get();
+
+            if (!dataSet.hasUrl(absoluteUrl))
+                relevantUrls.add(absoluteUrl);
         }
 
         if (relevantUrls.isEmpty()) {
@@ -94,16 +93,10 @@ public class SimpleLinkScraper implements AutoCloseable {
 
         int fetched = 0;
 
-        try (HttpClient client = HttpClient
-                .newBuilder()
-                .connectTimeout(connectTimeout)
-                .followRedirects(HttpClient.Redirect.NEVER)
-                .version(HttpClient.Version.HTTP_2)
-                .build();
-             // throttle concurrent access per domain; IDE will complain it's not used, but it holds a semaphore -- do not remove:
+        try (// throttle concurrent access per domain; IDE will complain it's not used, but it holds a semaphore -- do not remove:
              DomainLock lock = domainCoordinator.lockDomain(domain)
         ) {
-            SimpleRobotRules rules = fetchRobotsRules(rootUrl, client);
+            SimpleRobotRules rules = fetchRobotsRules(rootUrl);
 
             if (rules == null) { // I/O error fetching robots.txt
                 // If we can't fetch the robots.txt,
@@ -116,18 +109,19 @@ public class SimpleLinkScraper implements AutoCloseable {
             CrawlDelayTimer timer = new CrawlDelayTimer(rules.getCrawlDelay());
 
             for (var parsedUrl : relevantUrls) {
-
                 if (!rules.isAllowed(parsedUrl.toString())) {
                     maybeFlagAsBad(parsedUrl);
                     continue;
                 }
 
-                switch (fetchUrl(domainId, parsedUrl, timer, client)) {
+                switch (fetchUrl(domainId, parsedUrl, timer)) {
                     case FetchResult.Success(int id, EdgeUrl docUrl, String body, String headers) -> {
                             dataSet.saveDocument(id, docUrl, body, headers, "");
                             fetched++;
                     }
-                    case FetchResult.Error(EdgeUrl docUrl) -> maybeFlagAsBad(docUrl);
+                    case FetchResult.Error(EdgeUrl docUrl) -> {
+                        maybeFlagAsBad(docUrl);
+                    }
                 }
             }
         }
@@ -150,96 +144,100 @@ public class SimpleLinkScraper implements AutoCloseable {
     }
 
     @Nullable
-    private SimpleRobotRules fetchRobotsRules(EdgeUrl rootUrl, HttpClient client) throws IOException, InterruptedException, URISyntaxException {
-        var robotsRequest = HttpRequest.newBuilder(rootUrl.withPathAndParam("/robots.txt", null).asURI())
-                .GET()
-                .header("User-Agent", WmsaHome.getUserAgent().uaString())
-                .header("Accept-Encoding","gzip")
-                .timeout(readTimeout);
-
-        // Fetch the robots.txt
+    private SimpleRobotRules fetchRobotsRules(EdgeUrl rootUrl) throws URISyntaxException {
+        ClassicHttpRequest request = ClassicRequestBuilder.get(rootUrl.withPathAndParam("/robots.txt", null).asURI())
+                .setHeader("User-Agent", WmsaHome.getUserAgent().uaString())
+                .setHeader("Accept-Encoding", "gzip")
+                .build();
 
         try {
-            SimpleRobotRulesParser parser = new SimpleRobotRulesParser();
-            HttpResponse<byte[]> robotsTxt = client.send(robotsRequest.build(), HttpResponse.BodyHandlers.ofByteArray());
-
-            if (robotsTxt.statusCode() == 200) {
-                return parser.parseContent(rootUrl.toString(),
-                        getResponseData(robotsTxt),
-                        robotsTxt.headers().firstValue("Content-Type").orElse("text/plain"),
-                        WmsaHome.getUserAgent().uaIdentifier());
+            return httpClient.execute(request, rsp -> {
+                if (rsp.getEntity() == null) {
+                    return null;
                 }
-            else if (robotsTxt.statusCode() == 404) {
+                try {
+                    if (rsp.getCode() == 200) {
+                        var contentTypeHeader = rsp.getFirstHeader("Content-Type");
+                        if (contentTypeHeader == null) {
+                            return null; // No content type header, can't parse
+                        }
+                        return new SimpleRobotRulesParser().parseContent(
+                                rootUrl.toString(),
+                                EntityUtils.toByteArray(rsp.getEntity()),
+                                contentTypeHeader.getValue(),
+                                WmsaHome.getUserAgent().uaIdentifier()
+                        );
+                    } else if (rsp.getCode() == 404) {
                         return new SimpleRobotRules(SimpleRobotRules.RobotRulesMode.ALLOW_ALL);
                     }
-        }
-        catch (IOException ex) {
-            logger.error("Error fetching robots.txt for {}: {} {}", rootUrl, ex.getClass().getSimpleName(), ex.getMessage());
+                } finally {
+                    EntityUtils.consumeQuietly(rsp.getEntity());
                 }
                 return null;
+            });
+        }
+        catch (IOException e) {
+            logger.error("Error fetching robots.txt for {}: {}", rootUrl, e.getMessage());
+            return null; // I/O error fetching robots.txt
+        }
+        finally {
+            try {
+                TimeUnit.SECONDS.sleep(1);
+            }
+            catch (InterruptedException e) {
+                Thread.currentThread().interrupt();
+                throw new RuntimeException(e);
+            }
+        }
     }
 
     /** Fetch a URL and store it in the database
      */
-    private FetchResult fetchUrl(int domainId, EdgeUrl parsedUrl, CrawlDelayTimer timer, HttpClient client) throws Exception {
+    private FetchResult fetchUrl(int domainId, EdgeUrl parsedUrl, CrawlDelayTimer timer) throws Exception {
 
-        timer.waitFetchDelay();
-
-        HttpRequest request = HttpRequest.newBuilder(parsedUrl.asURI())
-                .GET()
-                .header("User-Agent", WmsaHome.getUserAgent().uaString())
-                .header("Accept", "text/html")
-                .header("Accept-Encoding", "gzip")
-                .timeout(readTimeout)
+        ClassicHttpRequest request = ClassicRequestBuilder.get(parsedUrl.asURI())
+                .setHeader("User-Agent", WmsaHome.getUserAgent().uaString())
+                .setHeader("Accept", "text/html")
+                .setHeader("Accept-Encoding", "gzip")
                 .build();
 
         try {
-            HttpResponse<byte[]> response = client.send(request, HttpResponse.BodyHandlers.ofByteArray());
-
-            // Handle rate limiting by waiting and retrying once
-            if (response.statusCode() == 429) {
-                timer.waitRetryDelay(new HttpFetcherImpl.RateLimitException(
-                        response.headers().firstValue("Retry-After").orElse("5")
-                ));
-                response = client.send(request, HttpResponse.BodyHandlers.ofByteArray());
-            }
-
-            String contentType = response.headers().firstValue("Content-Type").orElse("").toLowerCase();
-
-            if (response.statusCode() == 200) {
+            return httpClient.execute(request, rsp -> {
+                try {
+                    if (rsp.getCode() == 200) {
+                        String contentType = rsp.getFirstHeader("Content-Type").getValue();
                         if (!contentType.toLowerCase().startsWith("text/html")) {
                             return new FetchResult.Error(parsedUrl);
                         }
 
-                byte[] body = getResponseData(response);
-                if (body.length > MAX_SIZE) {
-                    return new FetchResult.Error(parsedUrl);
-                }
+                        byte[] body = EntityUtils.toByteArray(rsp.getEntity(), MAX_SIZE);
 
                         String bodyText = DocumentBodyToString.getStringData(ContentType.parse(contentType), body);
 
-                return new FetchResult.Success(domainId, parsedUrl, bodyText, headersToString(response.headers()));
-            }
-        }
-        catch (IOException ex) {
-            // We don't want a full stack trace on every error, as it's quite common and very noisy
-            logger.error("Error fetching URL {}: {} {}", parsedUrl, ex.getClass().getSimpleName(), ex.getMessage());
+                        StringBuilder headersStr = new StringBuilder();
+                        for (var header : rsp.getHeaders()) {
+                            headersStr.append(header.getName()).append(": ").append(header.getValue()).append("\n");
                         }
 
+                        return new FetchResult.Success(domainId, parsedUrl, bodyText, headersStr.toString());
+                    }
+                } finally {
+                    if (rsp.getEntity() != null) {
+                        EntityUtils.consumeQuietly(rsp.getEntity());
+                    }
+                }
                 return new FetchResult.Error(parsedUrl);
+            });
         }
-
-    private byte[] getResponseData(HttpResponse<byte[]> response) throws IOException {
-        String encoding = response.headers().firstValue("Content-Encoding").orElse("");
-
-        if ("gzip".equals(encoding)) {
-            try (var stream = new GZIPInputStream(new ByteArrayInputStream(response.body()))) {
-                return stream.readAllBytes();
+        catch (IOException e) {
+            logger.error("Error fetching {}: {}", parsedUrl, e.getMessage());
+            // If we can't fetch the URL, we return an error result
+            // so that the caller can decide what to do with it.
         }
+        finally {
+            timer.waitFetchDelay();
         }
-        else {
-            return response.body();
-        }
+        return new FetchResult.Error(parsedUrl);
     }
 
     sealed interface FetchResult {
@@ -247,14 +245,6 @@ public class SimpleLinkScraper implements AutoCloseable {
         record Error(EdgeUrl url) implements FetchResult {}
     }
 
-    private String headersToString(HttpHeaders headers) {
-        StringBuilder headersStr = new StringBuilder();
-        headers.map().forEach((k, v) -> {
-            headersStr.append(k).append(": ").append(v).append("\n");
-        });
-        return headersStr.toString();
-    }
-
     @Override
     public void close() throws Exception {
         pool.shutDown();

code/processes/live-crawling-process/java/nu/marginalia/livecrawler/io/HttpClientProvider.java

@@ -0,0 +1,126 @@
+package nu.marginalia.livecrawler.io;
+
+import com.google.inject.Provider;
+import org.apache.hc.client5.http.ConnectionKeepAliveStrategy;
+import org.apache.hc.client5.http.classic.HttpClient;
+import org.apache.hc.client5.http.config.ConnectionConfig;
+import org.apache.hc.client5.http.config.RequestConfig;
+import org.apache.hc.client5.http.cookie.StandardCookieSpec;
+import org.apache.hc.client5.http.impl.classic.CloseableHttpClient;
+import org.apache.hc.client5.http.impl.classic.HttpClients;
+import org.apache.hc.client5.http.impl.io.PoolingHttpClientConnectionManager;
+import org.apache.hc.client5.http.impl.io.PoolingHttpClientConnectionManagerBuilder;
+import org.apache.hc.core5.http.HeaderElement;
+import org.apache.hc.core5.http.HeaderElements;
+import org.apache.hc.core5.http.HttpResponse;
+import org.apache.hc.core5.http.io.SocketConfig;
+import org.apache.hc.core5.http.message.MessageSupport;
+import org.apache.hc.core5.http.protocol.HttpContext;
+import org.apache.hc.core5.util.TimeValue;
+import org.apache.hc.core5.util.Timeout;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.security.KeyManagementException;
+import java.security.NoSuchAlgorithmException;
+import java.util.Iterator;
+import java.util.concurrent.TimeUnit;
+
+public class HttpClientProvider implements Provider<HttpClient> {
+    private static final HttpClient client;
+    private static PoolingHttpClientConnectionManager connectionManager;
+
+    private static final Logger logger = LoggerFactory.getLogger(HttpClientProvider.class);
+
+    static {
+        try {
+            client = createClient();
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    public static CloseableHttpClient createClient() throws NoSuchAlgorithmException, KeyManagementException {
+        final ConnectionConfig connectionConfig = ConnectionConfig.custom()
+                .setSocketTimeout(15, TimeUnit.SECONDS)
+                .setConnectTimeout(15, TimeUnit.SECONDS)
+                .setValidateAfterInactivity(TimeValue.ofSeconds(5))
+                .build();
+
+
+        connectionManager = PoolingHttpClientConnectionManagerBuilder.create()
+                .setMaxConnPerRoute(2)
+                .setMaxConnTotal(50)
+                .setDefaultConnectionConfig(connectionConfig)
+                .build();
+
+        connectionManager.setDefaultSocketConfig(SocketConfig.custom()
+                .setSoLinger(TimeValue.ofSeconds(-1))
+                .setSoTimeout(Timeout.ofSeconds(10))
+                .build()
+        );
+
+        Thread.ofPlatform().daemon(true).start(() -> {
+            try {
+                for (;;) {
+                    TimeUnit.SECONDS.sleep(15);
+                    logger.info("Connection pool stats: {}", connectionManager.getTotalStats());
+                }
+            }
+            catch (InterruptedException e) {
+                Thread.currentThread().interrupt();
+            }
+        });
+
+        final RequestConfig defaultRequestConfig = RequestConfig.custom()
+                .setCookieSpec(StandardCookieSpec.IGNORE)
+                .setResponseTimeout(10, TimeUnit.SECONDS)
+                .setConnectionRequestTimeout(5, TimeUnit.MINUTES)
+                .build();
+
+        return HttpClients.custom()
+                .setConnectionManager(connectionManager)
+                .setRetryStrategy(new RetryStrategy())
+                .setKeepAliveStrategy(new ConnectionKeepAliveStrategy() {
+                    // Default keep-alive duration is 3 minutes, but this is too long for us,
+                    // as we are either going to re-use it fairly quickly or close it for a long time.
+                    //
+                    // So we set it to 30 seconds or clamp the server-provided value to a minimum of 10 seconds.
+                    private static final TimeValue defaultValue = TimeValue.ofSeconds(30);
+
+                    @Override
+                    public TimeValue getKeepAliveDuration(HttpResponse response, HttpContext context) {
+                        final Iterator<HeaderElement> it = MessageSupport.iterate(response, HeaderElements.KEEP_ALIVE);
+
+                        while (it.hasNext()) {
+                            final HeaderElement he = it.next();
+                            final String param = he.getName();
+                            final String value = he.getValue();
+
+                            if (value == null)
+                                continue;
+                            if (!"timeout".equalsIgnoreCase(param))
+                                continue;
+
+                            try {
+                                long timeout = Long.parseLong(value);
+                                timeout = Math.clamp(timeout, 30, defaultValue.toSeconds());
+                                return TimeValue.ofSeconds(timeout);
+                            } catch (final NumberFormatException ignore) {
+                                break;
+                            }
+                        }
+                        return defaultValue;
+                    }
+                })
+                .disableRedirectHandling()
+                .setDefaultRequestConfig(defaultRequestConfig)
+                .build();
+    }
+
+    @Override
+    public HttpClient get() {
+        return client;
+    }
+}
+

code/processes/live-crawling-process/java/nu/marginalia/livecrawler/io/RetryStrategy.java

@@ -0,0 +1,79 @@
+package nu.marginalia.livecrawler.io;
+
+import org.apache.hc.client5.http.HttpHostConnectException;
+import org.apache.hc.client5.http.HttpRequestRetryStrategy;
+import org.apache.hc.core5.http.HttpRequest;
+import org.apache.hc.core5.http.HttpResponse;
+import org.apache.hc.core5.http.protocol.HttpContext;
+import org.apache.hc.core5.util.TimeValue;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import javax.net.ssl.SSLException;
+import java.io.IOException;
+import java.net.SocketException;
+import java.net.SocketTimeoutException;
+import java.net.UnknownHostException;
+
+public class RetryStrategy implements HttpRequestRetryStrategy {
+    private static final Logger logger = LoggerFactory.getLogger(RetryStrategy.class);
+
+    @Override
+    public boolean retryRequest(HttpRequest request, IOException exception, int executionCount, HttpContext context) {
+        return switch (exception) {
+            case SocketTimeoutException ste -> false;
+            case SSLException ssle -> false;
+            case UnknownHostException uhe -> false;
+            case HttpHostConnectException ex -> executionCount < 2;
+            case SocketException ex -> executionCount < 2;
+            default -> executionCount <= 3;
+        };
+    }
+
+    @Override
+    public boolean retryRequest(HttpResponse response, int executionCount, HttpContext context) {
+        return switch (response.getCode()) {
+            case 500, 503 -> executionCount <= 2;
+            case 429 -> executionCount <= 3;
+            default -> false;
+        };
+    }
+
+    @Override
+    public TimeValue getRetryInterval(HttpRequest request, IOException exception, int executionCount, HttpContext context) {
+        return TimeValue.ofSeconds(1);
+    }
+
+    @Override
+    public TimeValue getRetryInterval(HttpResponse response, int executionCount, HttpContext context) {
+
+        int statusCode = response.getCode();
+
+        // Give 503 a bit more time
+        if (statusCode == 503) return TimeValue.ofSeconds(5);
+
+        if (statusCode == 429) {
+            // get the Retry-After header
+            var retryAfterHeader = response.getFirstHeader("Retry-After");
+            if (retryAfterHeader == null) {
+                return TimeValue.ofSeconds(3);
+            }
+
+            String retryAfter = retryAfterHeader.getValue();
+            if (retryAfter == null) {
+                return TimeValue.ofSeconds(2);
+            }
+
+            try {
+                int retryAfterTime = Integer.parseInt(retryAfter);
+                retryAfterTime = Math.clamp(retryAfterTime, 1, 5);
+
+                return TimeValue.ofSeconds(retryAfterTime);
+            } catch (NumberFormatException e) {
+                logger.warn("Invalid Retry-After header: {}", retryAfter);
+            }
+        }
+
+        return TimeValue.ofSeconds(2);
+    }
+}

code/processes/live-crawling-process/test/nu/marginalia/livecrawler/SimpleLinkScraperTest.java

@@ -3,10 +3,13 @@ package nu.marginalia.livecrawler;
 import nu.marginalia.coordination.LocalDomainCoordinator;
 import nu.marginalia.db.DomainBlacklistImpl;
 import nu.marginalia.io.SerializableCrawlDataStream;
+import nu.marginalia.livecrawler.io.HttpClientProvider;
 import nu.marginalia.model.EdgeDomain;
 import nu.marginalia.model.EdgeUrl;
 import nu.marginalia.model.crawldata.CrawledDocument;
 import org.apache.commons.io.FileUtils;
+import org.apache.hc.client5.http.impl.classic.CloseableHttpClient;
+import org.apache.hc.core5.io.CloseMode;
 import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.BeforeEach;
@@ -16,29 +19,34 @@ import org.mockito.Mockito;
 import java.io.IOException;
 import java.nio.file.Files;
 import java.nio.file.Path;
+import java.security.KeyManagementException;
+import java.security.NoSuchAlgorithmException;
 import java.sql.SQLException;
 import java.util.List;
 
 class SimpleLinkScraperTest {
     private Path tempDir;
     private LiveCrawlDataSet dataSet;
+    private CloseableHttpClient httpClient;
 
     @BeforeEach
-    public void setUp() throws IOException, SQLException {
+    public void setUp() throws IOException, SQLException, NoSuchAlgorithmException, KeyManagementException {
         tempDir = Files.createTempDirectory(getClass().getSimpleName());
         dataSet = new LiveCrawlDataSet(tempDir);
+        httpClient = HttpClientProvider.createClient();
     }
 
 
     @AfterEach
     public void tearDown() throws Exception {
         dataSet.close();
+        httpClient.close(CloseMode.IMMEDIATE);
         FileUtils.deleteDirectory(tempDir.toFile());
     }
 
     @Test
     public void testRetrieveNow() throws Exception {
-        var scraper = new SimpleLinkScraper(dataSet, new LocalDomainCoordinator(),  null, Mockito.mock(DomainBlacklistImpl.class));
+        var scraper = new SimpleLinkScraper(dataSet, new LocalDomainCoordinator(),  null, httpClient, Mockito.mock(DomainBlacklistImpl.class));
         int fetched = scraper.retrieveNow(new EdgeDomain("www.marginalia.nu"), 1, List.of("https://www.marginalia.nu/"));
         Assertions.assertEquals(1, fetched);
 
@@ -58,7 +66,7 @@ class SimpleLinkScraperTest {
     @Test
     public void testRetrieveNow_Redundant() throws Exception {
         dataSet.saveDocument(1, new EdgeUrl("https://www.marginalia.nu/"), "<html>", "", "127.0.0.1");
-        var scraper = new SimpleLinkScraper(dataSet, new LocalDomainCoordinator(),null, Mockito.mock(DomainBlacklistImpl.class));
+        var scraper = new SimpleLinkScraper(dataSet, new LocalDomainCoordinator(),null, httpClient, Mockito.mock(DomainBlacklistImpl.class));
 
         // If the requested URL is already in the dataSet, we retrieveNow should shortcircuit and not fetch anything
         int fetched = scraper.retrieveNow(new EdgeDomain("www.marginalia.nu"), 1, List.of("https://www.marginalia.nu/"));

code/processes/loading-process/java/nu/marginalia/loading/LoaderMain.java

@@ -40,6 +40,8 @@ public class LoaderMain extends ProcessMainClass {
     private final KeywordLoaderService keywordLoaderService;
     private final DocumentLoaderService documentLoaderService;
 
+    private static boolean insertFoundDomains = Boolean.getBoolean("loader.insertFoundDomains");
+
     public static void main(String... args) {
         try {
             new org.mariadb.jdbc.Driver();
@@ -99,6 +101,10 @@ public class LoaderMain extends ProcessMainClass {
 
         try {
             var results = ForkJoinPool.commonPool()
+                .invokeAll(List.of());
+
+            if ( true == insertFoundDomains ) {
+                results = ForkJoinPool.commonPool()
                         .invokeAll(
                             List.of(
                                 () -> linksService.loadLinks(domainIdRegistry, heartbeat, inputData),
@@ -107,6 +113,17 @@ public class LoaderMain extends ProcessMainClass {
                                 () -> domainService.loadDomainMetadata(domainIdRegistry, heartbeat, inputData)
                             )
                 );
+            }
+            else {
+                results = ForkJoinPool.commonPool()
+                        .invokeAll(
+                            List.of(
+                                () -> keywordLoaderService.loadKeywords(domainIdRegistry, heartbeat, inputData),
+                                () -> documentLoaderService.loadDocuments(domainIdRegistry, heartbeat, inputData),
+                                () -> domainService.loadDomainMetadata(domainIdRegistry, heartbeat, inputData)
+                            )
+                );
+            }
 
             for (var result : results) {
                 if (result.state() == Future.State.FAILED) {

code/processes/loading-process/java/nu/marginalia/loading/domains/DomainLoaderService.java

@@ -25,6 +25,8 @@ import java.util.Set;
 @Singleton
 public class DomainLoaderService {
 
+    private static boolean insertFoundDomains = Boolean.getBoolean("loader.insertFoundDomains");
+
     private final HikariDataSource dataSource;
     private final Logger logger = LoggerFactory.getLogger(DomainLoaderService.class);
     private final int nodeId;
@@ -84,6 +86,9 @@ public class DomainLoaderService {
 
             // Add domains that are linked to from the domains we've just crawled, but with -1 affinity meaning they
             // can be grabbed by any index node
+            if ( true == insertFoundDomains ) {
+                logger.info("Adding found domains");
+
                 try (var inserter = new DomainInserter(conn, -1);
                      var processHeartbeat = heartbeat.createAdHocTaskHeartbeat("INSERT_LINKED_DOMAINS")) {
                     // Add linked domains, but with -1 affinity meaning they can be grabbed by any index node
@@ -101,8 +106,14 @@ public class DomainLoaderService {
                                 }
                             }
                         }
+   
                     }
                 }
+            }
+            else {
+                logger.info("Skipping found domains");
+            }
+
 
             taskHeartbeat.progress(Steps.UPDATE_AFFINITY_AND_IP);
 

code/processes/ping-process/java/nu/marginalia/ping/BackoffStrategy.java

@@ -61,14 +61,14 @@ public class BackoffStrategy {
         };
 
         double backoffMinutes = baseInterval.toMinutes()
-                * Math.pow(multiplier, backoffConsecutiveFailures - 1);
+                * Math.pow(multiplier, Math.clamp(backoffConsecutiveFailures, 1, 10));
 
-        Duration newDuration = Duration.ofMinutes(Math.round(0.5+backoffMinutes));
-        if (newDuration.compareTo(maxInterval) > 0) {
+        var backoffVal = Math.round(0.5+backoffMinutes);
+        if (backoffVal > maxInterval.toMinutes()) {
             return maxInterval;
         }
 
-        return newDuration;
+        return Duration.ofMinutes(backoffVal);
     }
 
     private Duration addJitter(Duration duration) {

code/services-application/api-service/java/nu/marginalia/api/ApiSearchOperator.java

@@ -30,10 +30,11 @@ public class ApiSearchOperator {
 
     public ApiSearchResults query(String query,
                                   int count,
+                                  int domainCount,
                                   int index,
                                   NsfwFilterTier filterTier)
     {
-        var rsp = queryClient.search(createParams(query, count, index, filterTier));
+        var rsp = queryClient.search(createParams(query, count, domainCount, index, filterTier));
 
         return new ApiSearchResults("RESTRICTED", query,
                 rsp.results()
@@ -44,13 +45,13 @@ public class ApiSearchOperator {
                 .collect(Collectors.toList()));
     }
 
-    private QueryParams createParams(String query, int count, int index, NsfwFilterTier filterTirer) {
+    private QueryParams createParams(String query, int count, int domainCount, int index, NsfwFilterTier filterTirer) {
         SearchSetIdentifier searchSet = selectSearchSet(index);
 
         return new QueryParams(
                 query,
                 RpcQueryLimits.newBuilder()
-                        .setResultsByDomain(2)
+                        .setResultsByDomain(Math.clamp(domainCount, 1, 100))
                         .setResultsTotal(Math.min(100, count))
                         .setTimeoutMs(150)
                         .setFetchSize(8192)

code/services-application/api-service/java/nu/marginalia/api/ApiService.java

@@ -119,6 +119,7 @@ public class ApiService extends SparkService {
         }
 
         int count = intParam(request, "count", 20);
+        int domainCount = intParam(request, "dc", 2);
         int index = intParam(request, "index", 3);
         int nsfw = intParam(request, "nsfw", 1);
 
@@ -137,7 +138,7 @@ public class ApiService extends SparkService {
                 .labels(license.key)
                 .time(() ->
                         searchOperator
-                        .query(query, count, index, nsfwFilterTier)
+                        .query(query, count, domainCount, index, nsfwFilterTier)
                         .withLicense(license.getLicense())
                 );
     }

code/services-application/search-service-legacy/java/nu/marginalia/search/command/commands/BangCommand.java

@@ -20,7 +20,7 @@ public class BangCommand implements SearchCommandInterface {
     {
         bangsToPattern.put("!g", "https://www.google.com/search?q=%s");
         bangsToPattern.put("!ddg", "https://duckduckgo.com/?q=%s");
-        bangsToPattern.put("!w", "https://search.marginalia.nu/search?query=%s+site:en.wikipedia.org&profile=wiki");
+        bangsToPattern.put("!w", "https://old-search.marginalia.nu/search?query=%s+site:en.wikipedia.org&profile=wiki");
     }
 
     @Override

code/services-application/search-service/java/nu/marginalia/search/command/commands/BangCommand.java

@@ -20,7 +20,7 @@ public class BangCommand implements SearchCommandInterface {
     {
         bangsToPattern.put("!g", "https://www.google.com/search?q=%s");
         bangsToPattern.put("!ddg", "https://duckduckgo.com/?q=%s");
-        bangsToPattern.put("!w", "https://search.marginalia.nu/search?query=%s+site:en.wikipedia.org&profile=wiki");
+        bangsToPattern.put("!w", "/search?query=%s+site:en.wikipedia.org");
     }
 
     @Override
@@ -34,7 +34,7 @@ public class BangCommand implements SearchCommandInterface {
 
             if (match.isPresent()) {
                 var url = String.format(redirectPattern, URLEncoder.encode(match.get(), StandardCharsets.UTF_8));
-                new MapModelAndView("redirect.jte", Map.of("url", url));
+                return Optional.of(new MapModelAndView("redirect.jte", Map.of("url", url)));
             }
         }
 

code/services-application/search-service/resources/jte/siteinfo/main.jte

@@ -33,19 +33,19 @@
                             title="This domain is blacklisted and will not be crawled or indexed">
                         Blacklisted
                     </span>
-                @elseif (siteInfo.domainInformation().getNodeAffinity() == 0)
-                    <span
-                            class="bg-blue-50 text-blue-900 border-blue-200 dark:bg-black dark:text-blue-100 border p-1 font-sm rounded"
-                            title="This domain will be crawled by the search engine">
-                        In Crawler Queue
-                    </span>
                 @elseif (siteInfo.domainInformation().isUnknownDomain())
                     <span
                             class="bg-purple-50 text-purple-900 border-purple-200 dark:bg-black dark:text-purple-100 border  p-1 font-sm rounded"
                             title="The search engine is not aware of this domain name">
                         Unknown
                     </span>
-                @elseif (siteInfo.domainInformation().isUnknownDomain())
+                @elseif (siteInfo.domainInformation().getNodeAffinity() == 0)
+                    <span
+                            class="bg-blue-50 text-blue-900 border-blue-200 dark:bg-black dark:text-blue-100 border p-1 font-sm rounded"
+                            title="This domain will be crawled by the search engine">
+                        In Crawler Queue
+                    </span>
+                @elseif (!siteInfo.domainInformation().isUnknownDomain())
                     <span
                             class="bg-yellow-50 text-yellow-900 border-yellow-200 dark:bg-black dark:text-yellow-100 border p-1 font-sm rounded"
                             title="The search engine is aware of this domain, but it's not slated for crawling">

code/services-application/search-service/test/nu/marginalia/search/command/commands/BangCommandTest.java

@@ -0,0 +1,19 @@
+package nu.marginalia.search.command.commands;
+
+import nu.marginalia.WebsiteUrl;
+import nu.marginalia.search.command.SearchParameters;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+class BangCommandTest {
+
+    @Test
+    void testWikipediaRedirect() {
+        BangCommand bc = new BangCommand();
+
+        assertTrue(bc.process(SearchParameters.defaultsForQuery(new WebsiteUrl("test"), "!w plato", 1)).isPresent());
+        assertFalse(bc.process(SearchParameters.defaultsForQuery(new WebsiteUrl("test"), "plato", 1)).isPresent());
+    }
+}

code/services-application/status-service/java/nu/marginalia/status/StatusModule.java

@@ -20,6 +20,6 @@ public class StatusModule extends AbstractModule {
         bind(String.class)
                 .annotatedWith(Names.named("searchEngineTestQuery"))
                 .toInstance(System.getProperty("status-service.public-query",
-                        "https://marginalia-search.com/search?query=plato&ref=marginalia-automatic-metrics"));
+                        "https://old-search.marginalia.nu/search?query=plato&ref=marginalia-automatic-metrics"));
     }
 }

code/services-core/control-service/java/nu/marginalia/control/sys/svc/ControlSysActionsService.java

@@ -74,6 +74,8 @@ public class ControlSysActionsService {
             Spark.post("/actions/recrawl-all", this::recrawlAll, Redirects.redirectToOverview);
             Spark.post("/actions/flush-api-caches", this::flushApiCaches, Redirects.redirectToOverview);
             Spark.post("/actions/reload-blogs-list", this::reloadBlogsList, Redirects.redirectToOverview);
+
+            Spark.post("/actions/update-nsfw-filters", this::updateNsfwFilters, Redirects.redirectToOverview);
         }
         catch (Exception e) {
             throw new RuntimeException(e);
@@ -132,6 +134,14 @@ public class ControlSysActionsService {
         return "";
     }
 
+    public Object updateNsfwFilters(Request request, Response response) throws Exception {
+        eventLog.logEvent("USER-ACTION", "UPDATE-NSFW-FILTERS");
+
+        executorClient.updateNsfwFilters();
+
+        return "";
+    }
+
     public Object flushApiCaches(Request request, Response response) throws Exception {
         eventLog.logEvent("USER-ACTION", "FLUSH-API-CACHES");
         apiOutbox.sendNotice("FLUSH_CACHES", "");

code/services-core/control-service/resources/templates/control/sys/sys-actions.hdb

@@ -53,6 +53,31 @@
             </div>
         </div>
 
+        <div class="accordion-item">
+            <h2 class="accordion-header">
+                <button class="accordion-button collapsed"
+                        type="button"
+                        data-bs-toggle="collapse"
+                        data-bs-target="#collapseNsfwFilters"
+                        aria-expanded="false"
+                        aria-controls="collapseNsfwFilters">
+                    Update NSFW Filters Definitions
+                </button>
+            </h2>
+            <div id="collapseNsfwFilters" class="accordion-collapse collapse p-3" data-bs-parent="#accordionActions">
+                <div class="mb-3">
+                    This will fetch NSFW filter definitions.
+                </div>
+                <form method="post" action="actions/update-nsfw-filters">
+                    <button
+                            class="btn btn-primary me-md-2"
+                            onclick="return confirm('Confirm update NSFW filters');"
+                            type="submit">
+                        Update NSFW Filter</button>
+                </form>
+            </div>
+        </div>
+
         <div class="accordion-item">
             <h2 class="accordion-header">
                 <button class="accordion-button collapsed"