(search) Minor grammar fix

code/processes/converting-process/java/nu/marginalia/converting/ConverterMain.java

@@ -12,7 +12,7 @@ import nu.marginalia.converting.sideload.SideloadSourceFactory;
 import nu.marginalia.converting.writer.ConverterBatchWritableIf;
 import nu.marginalia.converting.writer.ConverterBatchWriter;
 import nu.marginalia.converting.writer.ConverterWriter;
-import nu.marginalia.io.CrawledDomainReader;
+import nu.marginalia.io.SerializableCrawlDataStream;
 import nu.marginalia.mq.MessageQueueFactory;
 import nu.marginalia.mqapi.converting.ConvertRequest;
 import nu.marginalia.process.ProcessConfiguration;
@@ -202,17 +202,18 @@ public class ConverterMain extends ProcessMainClass {
             heartbeat.setProgress(processedDomains.get() / (double) totalDomains);
 
             logger.info("Processing small items");
-
+            int numBigTasks = 0;
             // First process the small items
             for (var dataPath : WorkLog.iterableMap(crawlDir.getLogFile(),
                     new CrawlDataLocator(crawlDir.getDir(), batchingWorkLog)))
             {
-                if (CrawledDomainReader.sizeHint(dataPath) >= SIDELOAD_THRESHOLD) {
+                if (SerializableCrawlDataStream.getSizeHint(dataPath) >= SIDELOAD_THRESHOLD) {
+                    numBigTasks ++;
                     continue;
                 }
 
                 pool.submit(() -> {
-                    try (var dataStream = CrawledDomainReader.createDataStream(dataPath)) {
+                    try (var dataStream = SerializableCrawlDataStream.openDataStream(dataPath)) {
                         ConverterBatchWritableIf writable = processor.fullProcessing(dataStream) ;
                         converterWriter.accept(writable);
                     }
@@ -235,24 +236,35 @@ public class ConverterMain extends ProcessMainClass {
 
             logger.info("Processing large items");
 
-            // Next the big items domain-by-domain
+            try (var hb = heartbeat.createAdHocTaskHeartbeat("Large Domains")) {
-            for (var dataPath : WorkLog.iterableMap(crawlDir.getLogFile(),
+                int bigTaskIdx = 0;
-                    new CrawlDataLocator(crawlDir.getDir(), batchingWorkLog)))
+                // Next the big items domain-by-domain
-            {
+                for (var dataPath : WorkLog.iterableMap(crawlDir.getLogFile(),
-                int sizeHint = CrawledDomainReader.sizeHint(dataPath);
+                        new CrawlDataLocator(crawlDir.getDir(), batchingWorkLog)))
-                if (sizeHint < SIDELOAD_THRESHOLD) {
+                {
-                    continue;
+                    int sizeHint = SerializableCrawlDataStream.getSizeHint(dataPath);
-                }
+                    if (sizeHint < SIDELOAD_THRESHOLD) {
+                        continue;
+                    }
 
-                try (var dataStream = CrawledDomainReader.createDataStream(dataPath)) {
+                    hb.progress(dataPath.toFile().getName(), bigTaskIdx++, numBigTasks);
-                    ConverterBatchWritableIf writable = processor.simpleProcessing(dataStream, sizeHint);
+
-                    converterWriter.accept(writable);
+                    try {
-                }
+                        // SerializableCrawlDataStream is autocloseable, we can't try-with-resources because then it will be
-                catch (Exception ex) {
+                        // closed before it's consumed by the converterWriter.  Instead, the converterWriter guarantees it
-                    logger.info("Error in processing", ex);
+                        // will close it after it's consumed.
-                }
+
-                finally {
+                        var stream = SerializableCrawlDataStream.openDataStream(dataPath);
-                    heartbeat.setProgress(processedDomains.incrementAndGet() / (double) totalDomains);
+                        ConverterBatchWritableIf writable = processor.simpleProcessing(stream, sizeHint);
+
+                        converterWriter.accept(writable);
+                    }
+                    catch (Exception ex) {
+                        logger.info("Error in processing", ex);
+                    }
+                    finally {
+                        heartbeat.setProgress(processedDomains.incrementAndGet() / (double) totalDomains);
+                    }
                 }
             }
 

code/processes/converting-process/java/nu/marginalia/converting/writer/ConverterWriter.java

@@ -39,6 +39,9 @@ public class ConverterWriter implements AutoCloseable {
         workerThread.start();
     }
 
+    /** Queue and eventually write the domain into the converter journal
+     *  The domain object will be closed after it's processed.
+     * */
     public void accept(@Nullable ConverterBatchWritableIf domain) {
         if (null == domain)
             return;
@@ -72,15 +75,15 @@ public class ConverterWriter implements AutoCloseable {
 
                 if (workLog.isItemCommitted(id) || workLog.isItemInCurrentBatch(id)) {
                     logger.warn("Skipping already logged item {}", id);
+                }
+                else {
+                    currentWriter.write(data);
+                    workLog.logItem(id);
                     data.close();
-                    continue;
                 }
 
-                currentWriter.write(data);
-
-                workLog.logItem(id);
-
                 switcher.tick();
+                data.close();
             }
         }
         catch (Exception ex) {

code/processes/crawling-process/java/nu/marginalia/crawl/CrawlerMain.java

@@ -19,7 +19,6 @@ import nu.marginalia.crawl.retreival.DomainProber;
 import nu.marginalia.crawl.warc.WarcArchiverFactory;
 import nu.marginalia.crawl.warc.WarcArchiverIf;
 import nu.marginalia.db.DomainBlacklist;
-import nu.marginalia.io.CrawledDomainReader;
 import nu.marginalia.io.CrawlerOutputFile;
 import nu.marginalia.model.EdgeDomain;
 import nu.marginalia.mq.MessageQueueFactory;
@@ -417,13 +416,13 @@ public class CrawlerMain extends ProcessMainClass {
             try {
                 Path slopPath = CrawlerOutputFile.getSlopPath(outputDir, id, domain);
                 if (Files.exists(slopPath)) {
-                    return new CrawlDataReference(CrawledDomainReader.createDataStream(slopPath));
+                    return new CrawlDataReference(slopPath);
                 }
 
                 Path parquetPath = CrawlerOutputFile.getParquetPath(outputDir, id, domain);
                 if (Files.exists(parquetPath)) {
                     slopPath = migrateParquetData(parquetPath, domain, outputDir);
-                    return new CrawlDataReference(CrawledDomainReader.createDataStream(slopPath));
+                    return new CrawlDataReference(slopPath);
                 }
 
             } catch (IOException e) {

code/processes/crawling-process/java/nu/marginalia/crawl/retreival/CrawlDataReference.java

@@ -4,6 +4,7 @@ import nu.marginalia.ContentTypes;
 import nu.marginalia.io.SerializableCrawlDataStream;
 import nu.marginalia.lsh.EasyLSH;
 import nu.marginalia.model.crawldata.CrawledDocument;
+import org.jetbrains.annotations.NotNull;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -11,51 +12,73 @@ import javax.annotation.Nullable;
 import java.io.IOException;
 import java.nio.file.Files;
 import java.nio.file.Path;
+import java.util.Iterator;
+import java.util.Objects;
+import java.util.Optional;
 
 /** A reference to a domain that has been crawled before. */
-public class CrawlDataReference implements AutoCloseable {
+public class CrawlDataReference implements AutoCloseable, Iterable<CrawledDocument> {
+
+    private boolean closed = false;
+
+    @Nullable
+    private final Path path;
+
+    @Nullable
+    private SerializableCrawlDataStream data = null;
 
-    private final SerializableCrawlDataStream data;
     private static final Logger logger = LoggerFactory.getLogger(CrawlDataReference.class);
 
-    public CrawlDataReference(SerializableCrawlDataStream data) {
+    public CrawlDataReference(@Nullable Path path) {
-        this.data = data;
+        this.path = path;
     }
 
     public CrawlDataReference() {
-        this(SerializableCrawlDataStream.empty());
+        this(null);
     }
 
     /** Delete the associated data from disk, if it exists */
     public void delete() throws IOException {
-        Path filePath = data.path();
+        if (path != null) {
-
+            Files.deleteIfExists(path);
-        if (filePath != null) {
-            Files.deleteIfExists(filePath);
         }
     }
 
-    /** Get the next document from the crawl data,
+    public @NotNull Iterator<CrawledDocument> iterator() {
-     * returning null when there are no more documents
-     * available
-     */
-    @Nullable
-    public CrawledDocument nextDocument() {
-        try {
-            while (data.hasNext()) {
-                if (data.next() instanceof CrawledDocument doc) {
-                    if (!ContentTypes.isAccepted(doc.contentType))
-                        continue;
 
-                    return doc;
+        requireStream();
+        // Guaranteed by requireStream, but helps java
+        Objects.requireNonNull(data);
+
+        return data.map(next -> {
+            if (next instanceof CrawledDocument doc && ContentTypes.isAccepted(doc.contentType)) {
+                return Optional.of(doc);
+            }
+            else {
+                return Optional.empty();
+            }
+        });
+    }
+
+    /** After calling this method, data is guaranteed to be non-null */
+    private void requireStream() {
+        if (closed) {
+            throw new IllegalStateException("Use after close()");
+        }
+
+        if (data == null) {
+            try {
+                if (path != null) {
+                    data = SerializableCrawlDataStream.openDataStream(path);
+                    return;
                 }
             }
-        }
+            catch (Exception ex) {
-        catch (IOException ex) {
+                logger.error("Failed to open stream", ex);
-            logger.error("Failed to read next document", ex);
+            }
-        }
 
-        return null;
+            data = SerializableCrawlDataStream.empty();
+        }
     }
 
     public static boolean isContentBodySame(byte[] one, byte[] other) {
@@ -98,7 +121,12 @@ public class CrawlDataReference implements AutoCloseable {
     }
 
     @Override
-    public void close() throws Exception {
+    public void close() throws IOException {
-        data.close();
+        if (!closed) {
+            if (data != null) {
+                data.close();
+            }
+            closed = true;
+        }
     }
 }

code/processes/crawling-process/java/nu/marginalia/crawl/retreival/CrawlerRetreiver.java

@@ -89,30 +89,45 @@ public class CrawlerRetreiver implements AutoCloseable {
     }
 
     public int crawlDomain(DomainLinks domainLinks, CrawlDataReference oldCrawlData) {
-        try {
+        try (oldCrawlData) {
             // Do an initial domain probe to determine the root URL
-            EdgeUrl rootUrl;
-
             var probeResult = probeRootUrl();
-            switch (probeResult) {
+
+            return switch (probeResult) {
                 case HttpFetcher.DomainProbeResult.Ok(EdgeUrl probedUrl) -> {
-                    rootUrl = probedUrl; // Good track
+
+                    // Sleep after the initial probe, we don't have access to the robots.txt yet
+                    // so we don't know the crawl delay
+                    TimeUnit.SECONDS.sleep(1);
+
+                    final SimpleRobotRules robotsRules = fetcher.fetchRobotRules(probedUrl.domain, warcRecorder);
+                    final CrawlDelayTimer delayTimer = new CrawlDelayTimer(robotsRules.getCrawlDelay());
+
+                    delayTimer.waitFetchDelay(0); // initial delay after robots.txt
+
+                    DomainStateDb.SummaryRecord summaryRecord = sniffRootDocument(probedUrl, delayTimer);
+                    domainStateDb.save(summaryRecord);
+
+                    // Play back the old crawl data (if present) and fetch the documents comparing etags and last-modified
+                    if (crawlerRevisitor.recrawl(oldCrawlData, robotsRules, delayTimer) > 0) {
+                        // If we have reference data, we will always grow the crawl depth a bit
+                        crawlFrontier.increaseDepth(1.5, 2500);
+                    }
+
+                    oldCrawlData.close(); // proactively close the crawl data reference here to not hold onto expensive resources
+
+                    yield crawlDomain(probedUrl, robotsRules, delayTimer, domainLinks);
                 }
                 case HttpFetcher.DomainProbeResult.Redirect(EdgeDomain domain1) -> {
                     domainStateDb.save(DomainStateDb.SummaryRecord.forError(domain, "Redirect", domain1.toString()));
-                    return 1;
+                    yield 1;
                 }
                 case HttpFetcher.DomainProbeResult.Error(CrawlerDomainStatus status, String desc) -> {
                     domainStateDb.save(DomainStateDb.SummaryRecord.forError(domain, status.toString(), desc));
-                    return 1;
+                    yield 1;
                 }
-            }
+            };
 
-            // Sleep after the initial probe, we don't have access to the robots.txt yet
-            // so we don't know the crawl delay
-            TimeUnit.SECONDS.sleep(1);
-
-            return crawlDomain(oldCrawlData, rootUrl, domainLinks);
         }
         catch (Exception ex) {
             logger.error("Error crawling domain {}", domain, ex);
@@ -120,28 +135,15 @@ public class CrawlerRetreiver implements AutoCloseable {
         }
     }
 
-    private int crawlDomain(CrawlDataReference oldCrawlData,
+    private int crawlDomain(EdgeUrl rootUrl,
-                            EdgeUrl rootUrl,
+                            SimpleRobotRules robotsRules,
-                            DomainLinks domainLinks) throws InterruptedException {
+                            CrawlDelayTimer delayTimer,
+                            DomainLinks domainLinks) {
 
-        final SimpleRobotRules robotsRules = fetcher.fetchRobotRules(rootUrl.domain, warcRecorder);
-        final CrawlDelayTimer delayTimer = new CrawlDelayTimer(robotsRules.getCrawlDelay());
-
-        delayTimer.waitFetchDelay(0); // initial delay after robots.txt
-
-        DomainStateDb.SummaryRecord summaryRecord = sniffRootDocument(rootUrl, delayTimer);
-        domainStateDb.save(summaryRecord);
-
-        // Play back the old crawl data (if present) and fetch the documents comparing etags and last-modified
-        if (crawlerRevisitor.recrawl(oldCrawlData, robotsRules, delayTimer) > 0) {
-            // If we have reference data, we will always grow the crawl depth a bit
-            crawlFrontier.increaseDepth(1.5, 2500);
-        }
 
         // Add external links to the crawl frontier
         crawlFrontier.addAllToQueue(domainLinks.getUrls(rootUrl.proto));
 
-
         // Fetch sitemaps
         for (var sitemap : robotsRules.getSitemaps()) {
             crawlFrontier.addAllToQueue(fetcher.fetchSitemapUrls(sitemap, delayTimer));

code/processes/crawling-process/java/nu/marginalia/crawl/retreival/revisit/CrawlerRevisitor.java

@@ -40,18 +40,12 @@ public class CrawlerRevisitor {
         int errors = 0;
         int skipped = 0;
 
-        for (;;) {
+        for (CrawledDocument doc : oldCrawlData) {
             if (errors > 20) {
                 // If we've had too many errors, we'll stop trying to recrawl
                 break;
             }
 
-            CrawledDocument doc = oldCrawlData.nextDocument();
-
-            if (doc == null)
-                break;
-
-            // This Shouldn't Happen (TM)
             var urlMaybe = EdgeUrl.parse(doc.url);
             if (urlMaybe.isEmpty())
                 continue;

code/processes/crawling-process/model/java/nu/marginalia/io/CrawledDomainReader.java

@@ -1,53 +0,0 @@
-package nu.marginalia.io;
-
-import nu.marginalia.io.crawldata.format.ParquetSerializableCrawlDataStream;
-import nu.marginalia.io.crawldata.format.SlopSerializableCrawlDataStream;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import java.io.IOException;
-import java.nio.file.Path;
-
-public class CrawledDomainReader {
-    private static final Logger logger = LoggerFactory.getLogger(CrawledDomainReader.class);
-
-    /** An iterator-like access to domain data  This must be closed otherwise it will leak off-heap memory! */
-    public static SerializableCrawlDataStream createDataStream(Path fullPath) throws IOException
-    {
-
-        String fileName = fullPath.getFileName().toString();
-        if (fileName.endsWith(".parquet")) {
-            try {
-                return new ParquetSerializableCrawlDataStream(fullPath);
-            } catch (Exception ex) {
-                logger.error("Error reading domain data from " + fullPath, ex);
-                return SerializableCrawlDataStream.empty();
-            }
-        }
-
-        if (fileName.endsWith(".slop.zip")) {
-            try {
-                return new SlopSerializableCrawlDataStream(fullPath);
-            } catch (Exception ex) {
-                logger.error("Error reading domain data from " + fullPath, ex);
-                return SerializableCrawlDataStream.empty();
-            }
-        }
-
-        logger.error("Unknown file type: {}", fullPath);
-        return SerializableCrawlDataStream.empty();
-    }
-
-    public static int sizeHint(Path fullPath) {
-        String fileName = fullPath.getFileName().toString();
-        if (fileName.endsWith(".parquet")) {
-            return ParquetSerializableCrawlDataStream.sizeHint(fullPath);
-        }
-        else if (fileName.endsWith(".slop.zip")) {
-            return SlopSerializableCrawlDataStream.sizeHint(fullPath);
-        }
-        else {
-            return 0;
-        }
-    }
-}

code/processes/crawling-process/model/java/nu/marginalia/io/SerializableCrawlDataStream.java

@@ -1,5 +1,7 @@
 package nu.marginalia.io;
 
+import nu.marginalia.io.crawldata.format.ParquetSerializableCrawlDataStream;
+import nu.marginalia.io.crawldata.format.SlopSerializableCrawlDataStream;
 import nu.marginalia.model.crawldata.CrawledDocument;
 import nu.marginalia.model.crawldata.CrawledDomain;
 import nu.marginalia.model.crawldata.SerializableCrawlData;
@@ -18,7 +20,6 @@ import java.util.function.Function;
 /** Closable iterator exceptional over serialized crawl data
  * The data may appear in any order, and the iterator must be closed.
  *
- * @see CrawledDomainReader
  * */
 public interface SerializableCrawlDataStream extends AutoCloseable {
     Logger logger = LoggerFactory.getLogger(SerializableCrawlDataStream.class);
@@ -27,7 +28,7 @@ public interface SerializableCrawlDataStream extends AutoCloseable {
 
     /** Return a size hint for the stream.  0 is returned if the hint is not available,
      * or if the file is seemed too small to bother */
-    default int sizeHint() { return 0; }
+    default int getSizeHint() { return 0; }
 
     boolean hasNext() throws IOException;
 
@@ -36,6 +37,49 @@ public interface SerializableCrawlDataStream extends AutoCloseable {
 
     void close() throws IOException;
 
+    /** An iterator-like access to domain data  This must be closed otherwise it will leak off-heap memory! */
+    static SerializableCrawlDataStream openDataStream(Path fullPath) throws IOException
+    {
+
+        String fileName = fullPath.getFileName().toString();
+        if (fileName.endsWith(".parquet")) {
+            try {
+                return new ParquetSerializableCrawlDataStream(fullPath);
+            } catch (Exception ex) {
+                logger.error("Error reading domain data from " + fullPath, ex);
+                return SerializableCrawlDataStream.empty();
+            }
+        }
+
+        if (fileName.endsWith(".slop.zip")) {
+            try {
+                return new SlopSerializableCrawlDataStream(fullPath);
+            } catch (Exception ex) {
+                logger.error("Error reading domain data from " + fullPath, ex);
+                return SerializableCrawlDataStream.empty();
+            }
+        }
+
+        logger.error("Unknown file type: {}", fullPath);
+        return SerializableCrawlDataStream.empty();
+    }
+
+    /** Get an idication of the size of the stream.  This is used to determine whether to
+     * load the stream into memory or not.  0 is returned if the hint is not available,
+     * or if the file is seemed too small to bother */
+    static int getSizeHint(Path fullPath) {
+        String fileName = fullPath.getFileName().toString();
+        if (fileName.endsWith(".parquet")) {
+            return ParquetSerializableCrawlDataStream.sizeHint(fullPath);
+        }
+        else if (fileName.endsWith(".slop.zip")) {
+            return SlopSerializableCrawlDataStream.sizeHint(fullPath);
+        }
+        else {
+            return 0;
+        }
+    }
+
     default <T>  Iterator<T> map(Function<SerializableCrawlData, Optional<T>> mapper) {
         return new Iterator<>() {
             T next = null;

code/processes/crawling-process/model/java/nu/marginalia/slop/SlopCrawlDataRecord.java

@@ -108,15 +108,17 @@ public record SlopCrawlDataRecord(String domain,
     public static void convertFromParquet(Path parquetInput, Path slopOutput) throws IOException {
         Path tempDir = Files.createTempDirectory(slopOutput.getParent(), "conversion");
 
-        try (var writer = new Writer(tempDir)) {
+        try (var writer = new Writer(tempDir);
-            CrawledDocumentParquetRecordFileReader.stream(parquetInput).forEach(
+             var stream = CrawledDocumentParquetRecordFileReader.stream(parquetInput))
-                    parquetRecord -> {
+        {
-                        try {
+            stream.forEach(
-                            writer.write(new SlopCrawlDataRecord(parquetRecord));
+                parquetRecord -> {
-                        } catch (IOException e) {
+                    try {
-                            throw new RuntimeException(e);
+                        writer.write(new SlopCrawlDataRecord(parquetRecord));
-                        }
+                    } catch (IOException e) {
-                    });
+                        throw new RuntimeException(e);
+                    }
+                });
         }
         catch (IOException ex) {
             FileUtils.deleteDirectory(tempDir.toFile());

code/processes/crawling-process/test/nu/marginalia/crawling/retreival/CrawlerRetreiverTest.java

@@ -10,7 +10,6 @@ import nu.marginalia.crawl.fetcher.HttpFetcher;
 import nu.marginalia.crawl.fetcher.HttpFetcherImpl;
 import nu.marginalia.crawl.fetcher.warc.WarcRecorder;
 import nu.marginalia.crawl.retreival.*;
-import nu.marginalia.io.CrawledDomainReader;
 import nu.marginalia.io.SerializableCrawlDataStream;
 import nu.marginalia.model.EdgeDomain;
 import nu.marginalia.model.EdgeUrl;
@@ -227,7 +226,7 @@ class CrawlerRetreiverTest {
 
         convertToParquet(tempFileWarc1, tempFileParquet1);
 
-        try (var stream = CrawledDomainReader.createDataStream(tempFileParquet1)) {
+        try (var stream = SerializableCrawlDataStream.openDataStream(tempFileParquet1)) {
             while (stream.hasNext()) {
                 if (stream.next() instanceof CrawledDocument doc) {
                     data.add(doc);
@@ -280,7 +279,7 @@ class CrawlerRetreiverTest {
 
         convertToParquet(tempFileWarc1, tempFileParquet1);
 
-        try (var stream = CrawledDomainReader.createDataStream(tempFileParquet1)) {
+        try (var stream = SerializableCrawlDataStream.openDataStream(tempFileParquet1)) {
             while (stream.hasNext()) {
                 if (stream.next() instanceof CrawledDocument doc) {
                     data.add(doc);
@@ -329,7 +328,7 @@ class CrawlerRetreiverTest {
         doCrawl(tempFileWarc1, specs);
         convertToParquet(tempFileWarc1, tempFileParquet1);
 
-        try (var stream = CrawledDomainReader.createDataStream(tempFileParquet1)) {
+        try (var stream = SerializableCrawlDataStream.openDataStream(tempFileParquet1)) {
             while (stream.hasNext()) {
                 if (stream.next() instanceof CrawledDocument doc) {
                     data.add(doc);
@@ -376,7 +375,7 @@ class CrawlerRetreiverTest {
         doCrawl(tempFileWarc1, specs);
         convertToParquet(tempFileWarc1, tempFileParquet1);
         doCrawlWithReferenceStream(specs,
-                CrawledDomainReader.createDataStream(tempFileParquet1)
+                new CrawlDataReference(tempFileParquet1)
         );
         convertToParquet(tempFileWarc2, tempFileParquet2);
 
@@ -397,7 +396,7 @@ class CrawlerRetreiverTest {
             });
         }
 
-        try (var ds = CrawledDomainReader.createDataStream(tempFileParquet2)) {
+        try (var ds = SerializableCrawlDataStream.openDataStream(tempFileParquet2)) {
             while (ds.hasNext()) {
                 var doc = ds.next();
                 if (doc instanceof CrawledDomain dr) {
@@ -439,7 +438,7 @@ class CrawlerRetreiverTest {
 
         convertToParquet(tempFileWarc1, tempFileParquet1);
 
-        try (var stream = CrawledDomainReader.createDataStream(tempFileParquet1)) {
+        try (var stream = SerializableCrawlDataStream.openDataStream(tempFileParquet1)) {
             while (stream.hasNext()) {
                 var doc = stream.next();
                 data.computeIfAbsent(doc.getClass(), c -> new ArrayList<>()).add(doc);
@@ -448,11 +447,9 @@ class CrawlerRetreiverTest {
             throw new RuntimeException(e);
         }
 
-        var stream = CrawledDomainReader.createDataStream(tempFileParquet1);
-
         System.out.println("---");
 
-        doCrawlWithReferenceStream(specs, stream);
+        doCrawlWithReferenceStream(specs, new CrawlDataReference(tempFileParquet1));
 
         var revisitCrawlFrontier = new DomainCrawlFrontier(
                 new EdgeDomain("www.marginalia.nu"),
@@ -488,7 +485,7 @@ class CrawlerRetreiverTest {
             });
         }
 
-        try (var ds = CrawledDomainReader.createDataStream(tempFileParquet2)) {
+        try (var ds = SerializableCrawlDataStream.openDataStream(tempFileParquet2)) {
             while (ds.hasNext()) {
                 var doc = ds.next();
                 if (doc instanceof CrawledDomain dr) {
@@ -509,12 +506,11 @@ class CrawlerRetreiverTest {
         }
     }
 
-    private void doCrawlWithReferenceStream(CrawlerMain.CrawlSpecRecord specs, SerializableCrawlDataStream stream) {
+    private void doCrawlWithReferenceStream(CrawlerMain.CrawlSpecRecord specs, CrawlDataReference reference) {
         try (var recorder = new WarcRecorder(tempFileWarc2, new Cookies());
              var db = new DomainStateDb(tempFileDb)
         ) {
-            new CrawlerRetreiver(httpFetcher, new DomainProber(d -> true), specs, db, recorder).crawlDomain(new DomainLinks(),
+            new CrawlerRetreiver(httpFetcher, new DomainProber(d -> true), specs, db, recorder).crawlDomain(new DomainLinks(), reference);
-                    new CrawlDataReference(stream));
         }
         catch (IOException | SQLException ex) {
             Assertions.fail(ex);

code/processes/export-task-process/java/nu/marginalia/extractor/AtagExporter.java

@@ -3,7 +3,6 @@ package nu.marginalia.extractor;
 import com.google.inject.Inject;
 import gnu.trove.set.hash.TLongHashSet;
 import nu.marginalia.hash.MurmurHash3_128;
-import nu.marginalia.io.CrawledDomainReader;
 import nu.marginalia.io.SerializableCrawlDataStream;
 import nu.marginalia.link_parser.LinkParser;
 import nu.marginalia.model.EdgeDomain;
@@ -59,7 +58,7 @@ public class AtagExporter implements ExporterIf {
                 }
 
                 Path crawlDataPath = inputDir.resolve(item.relPath());
-                try (var stream = CrawledDomainReader.createDataStream(crawlDataPath)) {
+                try (var stream = SerializableCrawlDataStream.openDataStream(crawlDataPath)) {
                     exportLinks(tagWriter, stream);
                 }
                 catch (Exception ex) {

code/processes/export-task-process/java/nu/marginalia/extractor/FeedExporter.java

@@ -1,7 +1,6 @@
 package nu.marginalia.extractor;
 
 import com.google.inject.Inject;
-import nu.marginalia.io.CrawledDomainReader;
 import nu.marginalia.io.SerializableCrawlDataStream;
 import nu.marginalia.link_parser.FeedExtractor;
 import nu.marginalia.link_parser.LinkParser;
@@ -56,7 +55,7 @@ public class FeedExporter implements ExporterIf {
                 }
 
                 Path crawlDataPath = inputDir.resolve(item.relPath());
-                try (var stream = CrawledDomainReader.createDataStream(crawlDataPath)) {
+                try (var stream = SerializableCrawlDataStream.openDataStream(crawlDataPath)) {
                     exportFeeds(tagWriter, stream);
                 }
                 catch (Exception ex) {
@@ -75,7 +74,7 @@ public class FeedExporter implements ExporterIf {
     private boolean exportFeeds(FeedCsvWriter exporter, SerializableCrawlDataStream stream) throws IOException, URISyntaxException {
         FeedExtractor feedExtractor = new FeedExtractor(new LinkParser());
 
-        int size = stream.sizeHint();
+        int size = stream.getSizeHint();
 
         while (stream.hasNext()) {
             if (!(stream.next() instanceof CrawledDocument doc))

code/processes/export-task-process/java/nu/marginalia/extractor/TermFrequencyExporter.java

@@ -5,7 +5,7 @@ import gnu.trove.map.hash.TLongIntHashMap;
 import gnu.trove.set.hash.TLongHashSet;
 import nu.marginalia.WmsaHome;
 import nu.marginalia.converting.processor.logic.dom.DomPruningFilter;
-import nu.marginalia.io.CrawledDomainReader;
+import nu.marginalia.io.SerializableCrawlDataStream;
 import nu.marginalia.language.filter.LanguageFilter;
 import nu.marginalia.language.model.DocumentLanguageData;
 import nu.marginalia.language.sentence.SentenceExtractor;
@@ -103,7 +103,7 @@ public class TermFrequencyExporter implements ExporterIf {
     {
         TLongHashSet words = new TLongHashSet(1000);
 
-        try (var stream = CrawledDomainReader.createDataStream(crawlDataPath)) {
+        try (var stream = SerializableCrawlDataStream.openDataStream(crawlDataPath)) {
             while (stream.hasNext()) {
                 if (Thread.interrupted())
                     return;

code/services-application/search-service/resources/jte/part/footerLegal.jte

@@ -9,7 +9,7 @@
         <span>
         Access logs containing IP-addresses are retained for up to 24 hours,
         anonymized logs with source addresses removed are sometimes kept longer
-        for to help diagnosing bugs.
+        to help diagnosing bugs.
         </span>
     </div>
     <div class="flex space-y-4 flex-col">

code/tools/experiment-runner/java/nu/marginalia/tools/ExperimentRunnerMain.java

@@ -3,7 +3,7 @@ package nu.marginalia.tools;
 import com.google.inject.Guice;
 import com.google.inject.Injector;
 import nu.marginalia.converting.ConverterModule;
-import nu.marginalia.io.CrawledDomainReader;
+import nu.marginalia.io.SerializableCrawlDataStream;
 import nu.marginalia.process.log.WorkLog;
 import nu.marginalia.service.module.DatabaseModule;
 
@@ -40,7 +40,7 @@ public class ExperimentRunnerMain {
         Path basePath = Path.of(args[0]);
         for (var item : WorkLog.iterable(basePath.resolve("crawler.log"))) {
             Path crawlDataPath = basePath.resolve(item.relPath());
-            try (var stream = CrawledDomainReader.createDataStream(crawlDataPath)) {
+            try (var stream = SerializableCrawlDataStream.openDataStream(crawlDataPath)) {
                 experiment.process(stream);
             }
             catch (Exception ex) {

code/tools/integration-test/test/nu/marginalia/IntegrationTest.java

@@ -26,7 +26,7 @@ import nu.marginalia.index.index.StatefulIndex;
 import nu.marginalia.index.journal.IndexJournal;
 import nu.marginalia.index.model.SearchParameters;
 import nu.marginalia.index.searchset.SearchSetAny;
-import nu.marginalia.io.CrawledDomainReader;
+import nu.marginalia.io.SerializableCrawlDataStream;
 import nu.marginalia.linkdb.docs.DocumentDbReader;
 import nu.marginalia.linkdb.docs.DocumentDbWriter;
 import nu.marginalia.loading.LoaderIndexJournalWriter;
@@ -152,7 +152,7 @@ public class IntegrationTest {
 
         /** PROCESS CRAWL DATA */
 
-        var processedDomain = domainProcessor.fullProcessing(CrawledDomainReader.createDataStream(crawlDataParquet));
+        var processedDomain = domainProcessor.fullProcessing(SerializableCrawlDataStream.openDataStream(crawlDataParquet));
 
         System.out.println(processedDomain);
 

settings.gradle

@@ -234,7 +234,7 @@ dependencyResolutionManagement {
             library('jetty-util','org.eclipse.jetty','jetty-util').version('9.4.54.v20240208')
             library('jetty-servlet','org.eclipse.jetty','jetty-servlet').version('9.4.54.v20240208')
 
-            library('slop', 'nu.marginalia', 'slop').version('0.0.9-org-5-SNAPSHOT')
+            library('slop', 'nu.marginalia', 'slop').version('0.0.10-SNAPSHOT')
             library('jooby-netty','io.jooby','jooby-netty').version(joobyVersion)
             library('jooby-jte','io.jooby','jooby-jte').version(joobyVersion)
             library('jooby-apt','io.jooby','jooby-apt').version(joobyVersion)