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Use named threads for the JsonMetricsReporter executor service.

This commit is contained in:
Jon Chambers 2020-11-18 15:41:44 -05:00 committed by Jon Chambers
parent 9b28672e19
commit 0628c9161c
1 changed files with 28 additions and 1 deletions
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29
service/src/main/java/org/whispersystems/textsecuregcm/metrics/JsonMetricsReporter.java
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@ -36,7 +36,9 @@ import java.util.Map;
import java.util.Set;
import java.util.SortedMap;
import java.util.concurrent.Executors;
import java.util.concurrent.ThreadFactory;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.regex.Pattern;
public class JsonMetricsReporter extends ScheduledReporter {
@ -49,12 +51,37 @@ public class JsonMetricsReporter extends ScheduledReporter {
private final URI uri;
private final HttpClient httpClient;
/**
* A simple named thread factory, copied shamelessly from ScheduledReporter (where it's private).
*/
private static class NamedThreadFactory implements ThreadFactory {
private final ThreadGroup group;
private final AtomicInteger threadNumber = new AtomicInteger(1);
private final String namePrefix;
private NamedThreadFactory(String name) {
final SecurityManager s = System.getSecurityManager();
this.group = (s != null) ? s.getThreadGroup() : Thread.currentThread().getThreadGroup();
this.namePrefix = "metrics-" + name + "-thread-";
}
@Override
public Thread newThread(Runnable r) {
final Thread t = new Thread(group, r, namePrefix + threadNumber.getAndIncrement(), 0);
t.setDaemon(true);
if (t.getPriority() != Thread.NORM_PRIORITY) {
t.setPriority(Thread.NORM_PRIORITY);
}
return t;
}
}
public JsonMetricsReporter(MetricRegistry registry, URI uri,
MetricFilter filter, TimeUnit rateUnit, TimeUnit durationUnit,
Set<MetricAttribute> disabledMetricAttributes)
throws UnknownHostException
{
super(registry, "json-reporter", filter, rateUnit, durationUnit, Executors.newSingleThreadScheduledExecutor(), true, disabledMetricAttributes);
super(registry, "json-reporter", filter, rateUnit, durationUnit, Executors.newSingleThreadScheduledExecutor(new NamedThreadFactory("json-reporter")), true, disabledMetricAttributes);
this.httpClient = HttpClient.newBuilder().version(HttpClient.Version.HTTP_2).build();
this.uri = UriBuilder.fromUri(uri).queryParam("h", InetAddress.getLocalHost().getHostName()).build();
}