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From "huaxiang sun (JIRA)" <j...@apache.org>
Subject [jira] [Issue Comment Deleted] (HBASE-17058) Lower epsilon used for jitter verification from HBASE-15324
Date Thu, 10 Nov 2016 18:58:58 GMT

     [ https://issues.apache.org/jira/browse/HBASE-17058?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

huaxiang sun updated HBASE-17058:
---------------------------------
    Comment: was deleted

(was: [~esteban] has a fix for this.)

> 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
>
> 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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