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https://issues.apache.org/jira/browse/HADOOP-5564?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Suresh Srinivas updated HADOOP-5564:
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Attachment: 5564.trunk.patch
Attaching patch for the trunk. Tested the patch manually on trunk.
> 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
>
>
> 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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