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https://issues.apache.org/jira/browse/HBASE-10788?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13940182#comment-13940182
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Lars Hofhansl commented on HBASE-10788:
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Usually I find min, avg, 95th, 99th, and 99.9th percentiles, and max useful.
> Add 99th percentile of latency in PE
> ------------------------------------
>
> Key: HBASE-10788
> URL: https://issues.apache.org/jira/browse/HBASE-10788
> Project: HBase
> Issue Type: Improvement
> Reporter: Liu Shaohui
> Assignee: Liu Shaohui
> Priority: Minor
> Attachments: HBASE-10788-trunk-v1.diff
>
>
> In production env, 99th percentile of latency is more important than the avg.
> The 99th percentile is helpful to measure the influence of GC, slow
> read/write of HDFS.
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