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From "Suresh Srinivas (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-5564) hadoop command uses large JVM heap size
Date Tue, 24 Mar 2009 19:04:51 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-5564?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Suresh Srinivas updated HADOOP-5564:

    Attachment: 5564.trunk.patch

Updated trunk patch

> hadoop command uses large JVM heap size
> ---------------------------------------
>                 Key: HADOOP-5564
>                 URL: https://issues.apache.org/jira/browse/HADOOP-5564
>             Project: Hadoop Core
>          Issue Type: Bug
>          Components: build
>            Reporter: Suresh Srinivas
>            Assignee: Suresh Srinivas
>            Priority: Blocker
>             Fix For: 0.20.0
>         Attachments: 5564.patch, 5564.trunk.patch, 5564.trunk.patch
> Command used to determine JAVA_PLATFORM in bin/hadoop command does not set the heap size.
The command uses default 1GB heap size. The tasks invoking hadoop command end up  using large
heap size in streaming jobs. If the maximum memory that can be used by a task is restricted,
this could result in map/reduce job failures.

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