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Posted to common-dev@hadoop.apache.org by "Hemanth Yamijala (JIRA)" <ji...@apache.org> on 2009/06/26 08:19:07 UTC
[jira] Resolved: (HADOOP-6106) Provide an option in
ShellCommandExecutor to timeout commands that do not complete within a
certain amount of time.
[ https://issues.apache.org/jira/browse/HADOOP-6106?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Hemanth Yamijala resolved HADOOP-6106.
--------------------------------------
Resolution: Fixed
Fix Version/s: 0.21.0
Hadoop Flags: [Reviewed]
I just committed this. Thanks, Sreekanth !
> Provide an option in ShellCommandExecutor to timeout commands that do not complete within a certain amount of time.
> -------------------------------------------------------------------------------------------------------------------
>
> Key: HADOOP-6106
> URL: https://issues.apache.org/jira/browse/HADOOP-6106
> Project: Hadoop Common
> Issue Type: Improvement
> Components: util
> Reporter: Hemanth Yamijala
> Assignee: Sreekanth Ramakrishnan
> Fix For: 0.21.0
>
> Attachments: HADOOP-6106-1.patch, HADOOP-6106-2.patch, HADOOP-6106.patch, mapred-211-common-3.patch
>
>
> In MAPREDUCE-211 we came across a need to provide an option to timeout commands launched via the ShellCommandExecutor. The use case is for the health check script being developed in MAPREDUCE-211. We would like the TaskTracker thread to not be blocked by a problematic script or in instances where fork()+exec() has hung (which apparently has been observed in large clusters).
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