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https://issues.apache.org/jira/browse/HADOOP-1406?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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David Bowen updated HADOOP-1406:
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Attachment: 1406.patch
This patch contains the API changes described above, and code which uses the
modified API to clean up the counter metric data after a job is completed.
Also, it adds an extra "jobId" tag to the counter metric data, so as to avoid
problems that would arise in the case where a user has two jobs with the same
name running at the same time (on the same jobtracker).
> Metrics based on Map-Reduce Counters are not cleaned up
> -------------------------------------------------------
>
> Key: HADOOP-1406
> URL: https://issues.apache.org/jira/browse/HADOOP-1406
> Project: Hadoop
> Issue Type: Bug
> Reporter: David Bowen
> Assigned To: David Bowen
> Attachments: 1406.patch
>
>
> When map-reduce jobs are finished, the metrics corresponding to their
> counters are not cleaned up. This is a memory leak, but worse it means that
> an ever-increasing amount of metric data is sent to the metrics system (if
> one is enabled).
> The fix is for JobInProgress to clean up the metrics it created when the job
> is complete.
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