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https://issues.apache.org/jira/browse/AMBARI-10350?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dmitry Lysnichenko updated AMBARI-10350:
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Attachment: AMBARI-10350.1.patch
> Ambari UI for HBase config incorrectly describes the -Xmn config
> ----------------------------------------------------------------
>
> Key: AMBARI-10350
> URL: https://issues.apache.org/jira/browse/AMBARI-10350
> Project: Ambari
> Issue Type: Bug
> Components: ambari-server
> Reporter: Dmitry Lysnichenko
> Assignee: Dmitry Lysnichenko
> Fix For: 2.1.0
>
> Attachments: AMBARI-10350.1.patch, AMBARI-10350.patch
>
>
> Ambari GUI for HBase config incorrectly describes the -Xmn as the “maximum
> value for the minimum heap size”, which is incorrect. Xmn is the size of the
> heap for the young generation.
> If somebody new to Java just reads the Ambari description and set both Xmn
> and Xmx to the same value, HBase will start but it will perform miserably.
> Please fix the documentation for the two settings in Ambari GUI that refer to
> Xmx (the ratio and the static value)
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