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Posted to issues@hbase.apache.org by "Mikhail Antonov (JIRA)" <ji...@apache.org> on 2016/06/20 19:21:58 UTC

[jira] [Updated] (HBASE-12133) Add FastLongHistogram for metric computation

     [ https://issues.apache.org/jira/browse/HBASE-12133?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mikhail Antonov updated HBASE-12133:
------------------------------------
    Fix Version/s: 1.3.0

> Add FastLongHistogram for metric computation
> --------------------------------------------
>
>                 Key: HBASE-12133
>                 URL: https://issues.apache.org/jira/browse/HBASE-12133
>             Project: HBase
>          Issue Type: New Feature
>          Components: metrics
>    Affects Versions: 0.98.8
>            Reporter: Yi Deng
>            Assignee: Yi Deng
>            Priority: Minor
>              Labels: histogram, metrics
>             Fix For: 2.0.0, 0.99.1, 1.3.0
>
>         Attachments: 0001-Add-FastLongHistogram-for-fast-histogram-estimation.patch, 0001-Add-FastLongHistogram-for-fast-histogram-estimation.patch, 0001-Add-FastLongHistogram-for-fast-histogram-estimation.patch, 12133.addendum.txt
>
>
> FastLongHistogram is a thread-safe class that estimate distribution of data and computes the quantiles. It's useful for computing aggregated metrics like P99/P95.



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