ashutoshcipher commented on a change in pull request #3793:
URL: https://github.com/apache/hadoop/pull/3793#discussion_r770302478
##########
File path:
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/metrics/TimelineServiceV1Publisher.java
##########
@@ -408,4 +523,48 @@ public void handle(TimelineV1PublishEvent event) {
putEntity(event.getEntity());
}
}
+
+ private class PutEventThread extends Thread {
+ public PutEventThread() {
+ super("PutEventThread");
+ }
+
+ @Override
+ public void run() {
+ LOG.info("System metrics publisher will put events every " +
+ String.valueOf(putEventInterval) + " milliseconds");
+ while (!stopped && !Thread.currentThread().isInterrupted()) {
+ if (System.currentTimeMillis() % putEventInterval >= 1000) {
+ try {
+ Thread.sleep(500);
+ } catch (InterruptedException e) {
+ LOG.warn(SystemMetricsPublisher.class.getName()
+ + " is interrupted. Exiting.");
+ break;
+ }
+ continue;
+ }
+ SendEntity task = null;
+ synchronized (sendEntityLock) {
+ if (LOG.isDebugEnabled()) {
+ LOG.debug("Creating SendEntity task in PutEventThread");
+ }
+ task = new SendEntity();
+ }
+ if (task != null) {
+ sendEventThreadPool.submit(task);
+ }
+ try {
+ // sleep added to avoid multiple SendEntity task within a single
interval.
+ Thread.sleep(1000);
+ } catch (InterruptedException e) {
+ LOG.warn(SystemMetricsPublisher.class.getName()
+ + " is interrupted. Exiting.");
+ break;
+ }
+ }
+ }
+ }
}
+
+
Review comment:
okay, will remove
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