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https://issues.apache.org/jira/browse/FLINK-1502?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15149109#comment-15149109
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Jamie Grier edited comment on FLINK-1502 at 2/16/16 7:09 PM:
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Is there no way to refer to a TaskManager by index in order to solve this
problem? It would be nice if we didn't have to send all the metrics through
the JobManager but rather just report them via JMX locally on each host. I
think I understand the problem you are describing but wouldn't just having a
logical index for each TaskManager solve this problem. I would like to avoid
having to send the metrics through a central node if possible as I would like
to see the # of total metrics go up dramatically as we instrument the code more
and more and give users more insight into how Flink is running.
Maybe we can collaborate on this. I want a general way to instrument both
Flink code and user code and make those metrics available easily via JMX at a
minimum and maybe directly in Graphite and Ganglia. Once available in JMX
there are many tools to integrate with other metrics and alerting systems.
was (Author: jgrier):
Is there no way to refer to a TaskManager by index in order to solve this
problem. It would be nice if we didn't have to send all the metrics through
the JobManager but rather just report them via JMX locally on each host. I
think I understand the problem you are describing but would just having a
logical index for each TaskManager solve this problem. I would like to avoid
having to send the metrics through a central node if possible as I would like
to see the # of total metrics go up dramatically as we instrument the code more
and more.
> 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: Dongwon Kim
> 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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