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https://issues.apache.org/jira/browse/HBASE-17058?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15675410#comment-15675410
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Hudson commented on HBASE-17058:
--------------------------------

SUCCESS: Integrated in Jenkins build HBase-1.3-JDK8 #80 (See 
[https://builds.apache.org/job/HBase-1.3-JDK8/80/])
HBASE-17058 Lower epsilon used for jitter verification from HBASE-15324 
(esteban: rev f4ed43e06108687488ebb161086b00274d172bc0)
* (edit) 
hbase-server/src/main/java/org/apache/hadoop/hbase/regionserver/ConstantSizeRegionSplitPolicy.java


> Lower epsilon used for jitter verification from HBASE-15324
> -----------------------------------------------------------
>
>                 Key: HBASE-17058
>                 URL: https://issues.apache.org/jira/browse/HBASE-17058
>             Project: HBase
>          Issue Type: Bug
>          Components: Compaction
>    Affects Versions: 2.0.0, 1.3.0, 1.4.0, 1.1.7, 1.2.4
>            Reporter: Esteban Gutierrez
>            Assignee: Esteban Gutierrez
>             Fix For: 2.0.0, 1.4.0, 1.3.1, 1.2.5, 1.1.8
>
>         Attachments: HBASE-17058.master.001.patch
>
>
> The current epsilon used is 1E-6 and its too big it might overflow the 
> desiredMaxFileSize. A trivial fix is to lower the epsilon to 2^-52 or even 
> 2^-53. An option to consider too is just to shift the jitter to always 
> decrement hbase.hregion.max.filesize (MAX_FILESIZE) instead of increase the 
> size of the region and having to deal with the round off.



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