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https://issues.apache.org/jira/browse/AMBARI-6484?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Azwaw OUSADOU updated AMBARI-6484:
----------------------------------

    Description: 
-Xmn parameter for HBase RegionServer is calculated with hardcoded value.

This patch allows you to configure values used to calculate this parameter (the 
maximum value for -Xmn and the ratio between -Xmn and -Xmx).

Without this fix HBase can be crash because of OutOfMemory when you do a YCSB 
test for example.

  was:
-Xmn parameter for HBase RegionServer is calculated with hardcoded value.

This patch allows you to configure values used to calculate this parameter (the 
maximum value for -Xmn and the ratio between -Xmn and -Xmx).


> HBase RegionServer -Xmn must be configurable
> --------------------------------------------
>
>                 Key: AMBARI-6484
>                 URL: https://issues.apache.org/jira/browse/AMBARI-6484
>             Project: Ambari
>          Issue Type: Improvement
>    Affects Versions: 1.7.0
>            Reporter: Azwaw OUSADOU
>            Priority: Critical
>              Labels: features, patch
>             Fix For: 1.7.0
>
>         Attachments: XMN_CONFIGURABLE.diff
>
>
> -Xmn parameter for HBase RegionServer is calculated with hardcoded value.
> This patch allows you to configure values used to calculate this parameter 
> (the maximum value for -Xmn and the ratio between -Xmn and -Xmx).
> Without this fix HBase can be crash because of OutOfMemory when you do a YCSB 
> test for example.



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