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https://issues.apache.org/jira/browse/HBASE-11516?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14063949#comment-14063949
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Andrew Purtell commented on HBASE-11516:
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Why not track coprocessor upcall latency the same way we track HFile read and
write op latencies? Start with HFile.java, look for the 'LATENCY_BUFFER_SIZE'
constant, surrounding members and methods, and related code.
> Track time spent in executing coprocessors in each region.
> ----------------------------------------------------------
>
> Key: HBASE-11516
> URL: https://issues.apache.org/jira/browse/HBASE-11516
> Project: HBase
> Issue Type: Improvement
> Components: Coprocessors
> Affects Versions: 0.98.4
> Reporter: Srikanth Srungarapu
> Assignee: Srikanth Srungarapu
> Priority: Minor
> Fix For: 0.98.5
>
> Attachments: HBASE-11516.patch, HBASE-11516_v2.patch
>
>
> Currently, the time spent in executing coprocessors is not yet being tracked.
> This feature can be handy for debugging coprocessors in case of any trouble.
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