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Posted to mapreduce-dev@hadoop.apache.org by "Arun C Murthy (JIRA)" <ji...@apache.org> on 2011/09/24 22:52:26 UTC
[jira] [Resolved] (MAPREDUCE-1207) Allow admins to set java options
for map/reduce tasks
[ https://issues.apache.org/jira/browse/MAPREDUCE-1207?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Arun C Murthy resolved MAPREDUCE-1207.
--------------------------------------
Resolution: Fixed
Assignee: Arun C Murthy (was: Krishna Ramachandran)
Fixed in trunk/branch-0.23 via MAPREDUCE-2880.
> Allow admins to set java options for map/reduce tasks
> -----------------------------------------------------
>
> Key: MAPREDUCE-1207
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1207
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: client, mrv2
> Reporter: Arun C Murthy
> Assignee: Arun C Murthy
> Priority: Blocker
> Attachments: mapred-1207.patch
>
>
> It will be useful for allow cluster-admins to set some java options for child map/reduce tasks.
> E.g. We've had to ask users to set -Djava.net.preferIPv4Stack=true in their jobs, it would be nice to do it for all users in such scenarios even when people override mapred.child.{map|reduce}.java.opts but forget to add this.
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