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From "Allen Wittenauer (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-10950) rework heap management vars
Date Wed, 20 Aug 2014 14:36:26 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-10950?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Allen Wittenauer updated HADOOP-10950:
--------------------------------------

    Release Note: The default heap sizes have been removed.  This will allow for the JVM to
use auto-tuning based upon the memory size of the host.  To re-enable the old default, configure
HADOOP_HEAPSIZE_MAX="1g" in hadoop-env.sh.

> rework  heap management  vars
> -----------------------------
>
>                 Key: HADOOP-10950
>                 URL: https://issues.apache.org/jira/browse/HADOOP-10950
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: scripts
>            Reporter: Allen Wittenauer
>              Labels: scripts
>
> Post-HADOOP-9902, we need to rework how heap is configured for small footprint machines,
deprecate some options, introduce new ones for greater flexibility.



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