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https://issues.apache.org/jira/browse/HBASE-17017?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15638149#comment-15638149
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Gary Helmling commented on HBASE-17017:
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The Counter metrics are much less expensive (1 Counter instance vs 260
instances per histogram). And they're useful for identifying hot regions, so I
think we should keep those around. In theory the size histograms could also be
useful for that, but I can't say I've used them much. So dumping the time and
size histograms seems okay to me.
> Remove the current per-region latency histogram metrics
> -------------------------------------------------------
>
> Key: HBASE-17017
> URL: https://issues.apache.org/jira/browse/HBASE-17017
> Project: HBase
> Issue Type: Sub-task
> Components: metrics
> Affects Versions: 2.0.0, 1.4.0
> Reporter: Duo Zhang
> Assignee: Enis Soztutar
> Fix For: 2.0.0, 1.4.0
>
> Attachments: Screen Shot 2016-11-04 at 3.00.21 PM.png, Screen Shot
> 2016-11-04 at 3.38.42 PM.png, hbase-17017_v1.patch
>
>
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