AHeise commented on a change in pull request #15054: URL: https://github.com/apache/flink/pull/15054#discussion_r605119584
########## File path: flink-runtime/src/main/java/org/apache/flink/runtime/webmonitor/WebMonitorEndpoint.java ########## @@ -216,6 +227,49 @@ public WebMonitorEndpoint( this.leaderElectionService = Preconditions.checkNotNull(leaderElectionService); this.fatalErrorHandler = Preconditions.checkNotNull(fatalErrorHandler); + + this.threadInfoOperatorTracker = initializeThreadInfoTracker(executor); + } + + private ThreadInfoOperatorTracker<OperatorThreadInfoStats> initializeThreadInfoTracker( + ScheduledExecutorService executor) { + final Duration akkaTimeout; + try { + akkaTimeout = AkkaUtils.getTimeout(clusterConfiguration); + } catch (NumberFormatException e) { + throw new IllegalConfigurationException(AkkaUtils.formatDurationParsingErrorMessage()); + } + + final int flameGraphCleanUpInterval = + clusterConfiguration.getInteger(WebOptions.FLAMEGRAPH_CLEANUP_INTERVAL); + final ThreadInfoRequestCoordinator threadInfoRequestCoordinator = + new ThreadInfoRequestCoordinator(executor, akkaTimeout.toMillis()); + final ThreadInfoOperatorTracker<OperatorThreadInfoStats> threadInfoOperatorTracker = + ThreadInfoOperatorTracker.newBuilder( + resourceManagerRetriever, Function.identity(), executor) + .setCoordinator(threadInfoRequestCoordinator) + .setCleanUpInterval(flameGraphCleanUpInterval) + .setNumSamples( + clusterConfiguration.getInteger(WebOptions.FLAMEGRAPH_NUM_SAMPLES)) + .setStatsRefreshInterval( + clusterConfiguration.getInteger( + WebOptions.FLAMEGRAPH_REFRESH_INTERVAL)) + .setDelayBetweenSamples( + Time.milliseconds( + clusterConfiguration.getInteger( + WebOptions.FLAMEGRAPH_DELAY))) + .setMaxThreadInfoDepth( + clusterConfiguration.getInteger( + WebOptions.FLAMEGRAPH_STACK_TRACE_DEPTH)) + .build(); + + executor.scheduleWithFixedDelay( Review comment: Done. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org