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https://issues.apache.org/jira/browse/KNOX-989?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16115392#comment-16115392
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Larry McCay commented on KNOX-989:
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Hi [~kamrul] - have at it, man.
Thanks!
> Revisit JMX Metrics to fix the Out of Memory issue
> --------------------------------------------------
>
> Key: KNOX-989
> URL: https://issues.apache.org/jira/browse/KNOX-989
> Project: Apache Knox
> Issue Type: Bug
> Components: Server
> Reporter: Sandeep More
> Assignee: Mohammad Kamrul Islam
> Fix For: 0.14.0
>
>
> Bug [KNOX-986|https://issues.apache.org/jira/browse/KNOX-986] uncovers
> problem with Metrics when large number of unique URLs are accessed via Knox.
> The problem here is that Knox creates metrics objects per unique URL, the
> metrics objects are not flushed out (for obvious reason - to maintain the
> metric state).
> We need to come up with a proper fix to mitigate this while being able to use
> the JMX Metrics.
> One way of doing this would be to have Metrics objects at service level (
> e.g. /gateway/sandbox/webhdfs/* ) the other way would be to have a reaper
> process that clears out the unused objects. Other suggestions are welcomed !
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