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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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Tsz Wo (Nicholas), SZE updated HADOOP-5564:
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Hadoop Flags: [Reviewed]
+1 patch looks good
Talked to Koji and Suresh offline. We have considered using -client. However,
the [tool
doc|http://java.sun.com/javase/6/docs/technotes/tools/solaris/java.html] says
that the -client option may be ignored by the jdk.
> 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
>
>
> 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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