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From "Vinod K V (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAPREDUCE-1087) Limit resource usage of Map/Reduce debug script
Date Thu, 12 Nov 2009 10:19:39 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-1087?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12776940#action_12776940
] 

Vinod K V commented on MAPREDUCE-1087:
--------------------------------------

We should also control the size of the debugout file. Possibly via MAPREDUCE-1100.

> Limit resource usage of Map/Reduce debug script
> -----------------------------------------------
>
>                 Key: MAPREDUCE-1087
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1087
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: tasktracker
>            Reporter: Vinod K V
>
> As mentioned here by Devaraj [here|https://issues.apache.org/jira/browse/MAPREDUCE-915?focusedCommentId=12763756&page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel#action_12763756],
Map/Reduce debug scripts will run user code and hence need to be resource-limited via ulimits
and memory-monitored similar to task-memory-monitoring.

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