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https://issues.apache.org/jira/browse/AMBARI-6484?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14076165#comment-14076165
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Andrew Onischuk commented on AMBARI-6484:
-----------------------------------------
LG +1
> HBase RegionServer -Xmn must be configurable
> --------------------------------------------
>
> Key: AMBARI-6484
> URL: https://issues.apache.org/jira/browse/AMBARI-6484
> Project: Ambari
> Issue Type: Bug
> Affects Versions: 1.7.0
> Reporter: Azwaw OUSADOU
> Priority: Critical
> Labels: features, patch
> Fix For: 1.7.0
>
> Attachments: AMBARI-6484-TEST-OUTPUT.txt, AMBARI-6484.diff,
> AMBARI-6484.diff, MASTER-TEST-OUTPUT.txt, 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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