(ping) Parameterize thread counts for availability and DNS job consumers

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

@@ -60,11 +60,13 @@ public class PingJobScheduler {
         allThreads.add(Thread.ofPlatform().daemon().name("sync-dns").start(this::syncAvailabilityJobs));
         allThreads.add(Thread.ofPlatform().daemon().name("sync-availability").start(this::syncDnsRecords));
 
+        int availabilityThreads = Integer.getInteger("ping.availabilityThreads", 8);
+        int pingThreads = Integer.getInteger("ping.dnsThreads", 2);
 
-        for (int i = 0; i < 8; i++) {
+        for (int i = 0; i < availabilityThreads; i++) {
             allThreads.add(Thread.ofPlatform().daemon().name("availability-job-consumer-" + i).start(this::availabilityJobConsumer));
         }
-        for (int i = 0; i < 1; i++) {
+        for (int i = 0; i < pingThreads; i++) {
             allThreads.add(Thread.ofPlatform().daemon().name("dns-job-consumer-" + i).start(this::dnsJobConsumer));
         }
     }

code/processes/ping-process/java/nu/marginalia/ping/io/HttpClientProvider.java

@@ -51,7 +51,7 @@ public class HttpClientProvider implements Provider<HttpClient> {
 
         connectionManager = PoolingHttpClientConnectionManagerBuilder.create()
                 .setMaxConnPerRoute(2)
-                .setMaxConnTotal(5000)
+                .setMaxConnTotal(50)
                 .setDefaultConnectionConfig(connectionConfig)
                 .setTlsSocketStrategy(
                         new DefaultClientTlsStrategy(SSLContext.getDefault(), NoopHostnameVerifier.INSTANCE))