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https://issues.apache.org/jira/browse/HADOOP-2092?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12550708
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Christian Kunz commented on HADOOP-2092:
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We see this a lot: pipes applications continuing as orphan processes after the
parent task gets killed (e.g. speculatively executed task killed because of
'Already completed TIP') . When these applications sidestep the mapred
framework and communicate to DFS directly using libhdfs, then lthe load to dfs
sometimes becomes so high that the job eventually fails.
> Pipes C++ task does not die even if the Java tasks die
> ------------------------------------------------------
>
> Key: HADOOP-2092
> URL: https://issues.apache.org/jira/browse/HADOOP-2092
> Project: Hadoop
> Issue Type: Bug
> Components: pipes
> Reporter: Amareshwari Sri Ramadasu
> Assignee: Amareshwari Sri Ramadasu
> Fix For: 0.16.0
>
>
> Pipes process does not die, when the java map task dies.
> Pipes process does not die even when the cluster is down.
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