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Posted to issues@hbase.apache.org by "Ted Yu (JIRA)" <ji...@apache.org> on 2015/09/09 04:29:45 UTC

[jira] [Commented] (HBASE-14386) Reset MutableHistogram's min/max/sum after snapshot

    [ https://issues.apache.org/jira/browse/HBASE-14386?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14736015#comment-14736015 ] 

Ted Yu commented on HBASE-14386:
--------------------------------

lgtm

> Reset MutableHistogram's min/max/sum after snapshot
> ---------------------------------------------------
>
>                 Key: HBASE-14386
>                 URL: https://issues.apache.org/jira/browse/HBASE-14386
>             Project: HBase
>          Issue Type: Bug
>            Reporter: binlijin
>         Attachments: HBASE-14386.patch
>
>
> Current MutableHistogram do not reset min/max/sum after snapshot, so we affect by historical data. For example when i monitor the QueueCallTime_mean, i see one host's QueueCallTime_mean metric is high, but when i trace the host's regionserver log i see the QueueCallTime_mean has been lower, but the metric is still high.



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