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Posted to issues@hbase.apache.org by "Hudson (JIRA)" <ji...@apache.org> on 2016/02/25 03:09:18 UTC

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

    [ https://issues.apache.org/jira/browse/HBASE-12133?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15166572#comment-15166572 ] 

Hudson commented on HBASE-12133:
--------------------------------

FAILURE: Integrated in HBase-1.3 #569 (See [https://builds.apache.org/job/HBase-1.3/569/])
HBASE-12133 Add FastLongHistogram for metric computation (Yi Deng) (eclark: rev b4f747f52e24afcf539a313a3bd2243ccf89b6b1)
* hbase-common/src/main/java/org/apache/hadoop/hbase/util/FastLongHistogram.java
* hbase-common/src/test/java/org/apache/hadoop/hbase/util/TestFastLongHistogram.java
* hbase-common/src/main/java/org/apache/hadoop/hbase/util/AtomicUtils.java


> 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
>
>         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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