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From "Mikhail Antonov (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-15068) Add metrics for region normalization plans
Date Wed, 06 Jan 2016 17:59:39 GMT

    [ https://issues.apache.org/jira/browse/HBASE-15068?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15085948#comment-15085948
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Mikhail Antonov commented on HBASE-15068:
-----------------------------------------

Didn't test patch myself on cluster, but looks good to me. +1 for v3.

(For now we don't need any synchronization around these 2 counters in HMaster, but I kind
of suspect we might need in future when running concurrent plans)



> Add metrics for region normalization plans
> ------------------------------------------
>
>                 Key: HBASE-15068
>                 URL: https://issues.apache.org/jira/browse/HBASE-15068
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Ted Yu
>            Assignee: Ted Yu
>             Fix For: 2.0.0, 1.3.0
>
>         Attachments: 15068-v1.txt, 15068-v2.txt, 15068-v3.txt
>
>
> Currently there is no metric for region normalization plans.
> This JIRA would add metrics for the following:
> number of region split plans executed
> number of region merge plans executed
> These metrics would allow admin to know the impact of region normalization on production
cluster



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