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https://issues.apache.org/jira/browse/HADOOP-5684?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Arun C Murthy updated HADOOP-5684:
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Attachment: HADOOP-5684_0_20090420.patch
I've been running for a while with this patch... I'll upload a fresh one
shortly.
> separate jvm param for mapper and reducer
> -----------------------------------------
>
> Key: HADOOP-5684
> URL: https://issues.apache.org/jira/browse/HADOOP-5684
> Project: Hadoop Core
> Issue Type: Improvement
> Components: mapred
> Reporter: Koji Noguchi
> Assignee: Arun C Murthy
> Priority: Minor
> Attachments: HADOOP-5684_0_20090420.patch
>
>
> Memory footprint of mapper and reducer can differ.
> It would be nice if we can pass different jvm param (mapred.child.java.opts)
> for mappers and reducers.
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