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From "Enis Soztutar (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-17016) Remove per-region latency histogram metrics
Date Thu, 03 Nov 2016 22:25:59 GMT

    [ https://issues.apache.org/jira/browse/HBASE-17016?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15634512#comment-15634512

Enis Soztutar commented on HBASE-17016:

bq. So remove now, then maybe put back reimplemented with HdirHistogram, if workable?
Sounds like a good plan. 

> Remove per-region latency histogram metrics
> -------------------------------------------
>                 Key: HBASE-17016
>                 URL: https://issues.apache.org/jira/browse/HBASE-17016
>             Project: HBase
>          Issue Type: Task
>            Reporter: Andrew Purtell
>             Fix For: 2.0.0, 1.4.0
> Follow up from HBASE-10656, where [~enis] says:
> {quote}
> the main problem is that we have A LOT of per-region metrics that are latency histograms.
These latency histograms create many many Counter / LongAdder objects. We should get rid of
per-region latencies and maybe look at reducing the per-region metric overhead.
> {quote}
> Let's consider removing the per-region latency histograms until we have a low impact
(in time and space) accounting.

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