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https://issues.apache.org/jira/browse/ACCUMULO-4805?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16364789#comment-16364789
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Christopher Tubbs commented on ACCUMULO-4805:
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Should this be closed because the PR is merged, or is there more work to be
done?
> Seeing thread contention on FileManager
> ---------------------------------------
>
> Key: ACCUMULO-4805
> URL: https://issues.apache.org/jira/browse/ACCUMULO-4805
> Project: Accumulo
> Issue Type: Bug
> Reporter: Keith Turner
> Assignee: Keith Turner
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.9.0, 2.0.0
>
> Time Spent: 1h 20m
> Remaining Estimate: 0h
>
> Accumulo has a tablet server wide cache of open files. Accessing this cache
> obtains a global lock. In profiling, I am seeing contention on this lock.
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