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From "Eli Collins (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HADOOP-1867) use single parameter to specify a node's available ram
Date Thu, 11 Aug 2011 18:52:27 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-1867?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Eli Collins resolved HADOOP-1867.

    Resolution: Won't Fix

Out of date

> use single parameter to specify a node's available ram
> ------------------------------------------------------
>                 Key: HADOOP-1867
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1867
>             Project: Hadoop Common
>          Issue Type: Improvement
>            Reporter: Doug Cutting
> To simplify configuration, we should use a single parameter to indicate a node's available
RAM.  Sites should not need to adjust more than this single parameter to configure nodes available
memory.  In task JVMs, some significant percentage of the memory should be reserved for application
code, with the remainder divided among various system buffers.

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