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https://issues.apache.org/jira/browse/FLINK-1502?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15262277#comment-15262277
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ASF GitHub Bot commented on FLINK-1502:
---------------------------------------
Github user zentol commented on a diff in the pull request:
https://github.com/apache/flink/pull/1947#discussion_r61443006
--- Diff:
flink-runtime/src/main/java/org/apache/flink/runtime/taskmanager/Task.java ---
@@ -683,6 +688,9 @@ else if (STATE_UPDATER.compareAndSet(this, current,
ExecutionState.FAILED)) {
// remove all of the tasks library resources
libraryCache.unregisterTask(jobId, executionId);
+
+ //Uncomment before Merging!!!
+ //metrics.close();
--- End diff --
it makes it a bit easier to try out; without this the metrics are no longer
exposed when the job is finished. so if you run one of the examples with the
built-in data you'll see nothing (probably).
> Expose metrics to graphite, ganglia and JMX.
> --------------------------------------------
>
> Key: FLINK-1502
> URL: https://issues.apache.org/jira/browse/FLINK-1502
> Project: Flink
> Issue Type: Sub-task
> Components: JobManager, TaskManager
> Affects Versions: 0.9
> Reporter: Robert Metzger
> Assignee: Chesnay Schepler
> Priority: Minor
> Fix For: pre-apache
>
>
> The metrics library allows to expose collected metrics easily to other
> systems such as graphite, ganglia or Java's JVM (VisualVM).
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