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https://issues.apache.org/jira/browse/HADOOP-2092?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12554564
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Amareshwari Sri Ramadasu commented on HADOOP-2092:
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The attached patch adds background thread which pings the parent java
map/reduce task every 30 seconds to check if it is alive. If parent is not
alive, it kills the c++ process after three retries.
Christian, Can you use this patch and let us know if you see improvement?
> 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
>
> Attachments: patch-2092.txt
>
>
> 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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