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From "Yao Lei (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (AMBARI-18574) Set hbase.hregion.memstore.chunkpool.maxsize to 1.0
Date Thu, 24 Aug 2017 04:44:00 GMT

     [ https://issues.apache.org/jira/browse/AMBARI-18574?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Yao Lei updated AMBARI-18574:
-----------------------------
    Assignee: Yao Lei
      Status: Patch Available  (was: Open)

> Set hbase.hregion.memstore.chunkpool.maxsize to 1.0
> ---------------------------------------------------
>
>                 Key: AMBARI-18574
>                 URL: https://issues.apache.org/jira/browse/AMBARI-18574
>             Project: Ambari
>          Issue Type: Bug
>            Reporter: Ted Yu
>            Assignee: Yao Lei
>             Fix For: 2.6.0
>
>         Attachments: AMBARI-18574.patch
>
>
> The default value for hbase.hregion.memstore.chunkpool.maxsize is:
> {code}
>   final static float POOL_MAX_SIZE_DEFAULT = 0.0f;
> {code}
> This would result in chunk pool being disabled, leading to excessive MemStoreLAB chunk
allocations.
> Ambari should set the value to 1.0



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