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https://issues.apache.org/jira/browse/HBASE-5786?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13253831#comment-13253831
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Todd Lipcon commented on HBASE-5786:
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Or even keep a round robin buffer of the last 1000 such operations? It would be
a miniscule amount of RAM to track this, right?
> Implement histogram metrics for flush and compaction latencies and sizes.
> -------------------------------------------------------------------------
>
> Key: HBASE-5786
> URL: https://issues.apache.org/jira/browse/HBASE-5786
> Project: HBase
> Issue Type: New Feature
> Components: metrics, regionserver
> Affects Versions: 0.92.2, 0.94.0, 0.96.0
> Reporter: Jonathan Hsieh
> Assignee: Shaneal Manek
>
> Average time for region operations doesn't really tell a useful story when
> that help diagnose anomalous conditions.
> It would be extremely useful to add histogramming metrics similar to
> HBASE-5533 for region operations like flush, compaction and splitting. The
> probably should be forward biased at a much coarser granularity however
> (maybe decay every day?)
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