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https://issues.apache.org/jira/browse/YARN-492?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13607812#comment-13607812
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Hitesh Shah commented on YARN-492:
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Please add details of which processes are using the ports in question. In
addition to that, what configuration value was set to make use of port 50010
and/or 44871?
> Too many open files error to launch a container
> -----------------------------------------------
>
> Key: YARN-492
> URL: https://issues.apache.org/jira/browse/YARN-492
> Project: Hadoop YARN
> Issue Type: Bug
> Affects Versions: 2.0.0-alpha
> Environment: RedHat Linux
> Reporter: Krishna Kishore Bonagiri
>
> I am running a date command with YARN's distributed shell example in a loop
> of 1000 times in this way:
> yarn jar
> /home/kbonagir/yarn/hadoop-2.0.0-alpha/share/hadoop/mapreduce/hadoop-yarn-applications-distributedshell-2.0.0-alpha.jar
> org.apache.hadoop.yarn.applications.distributedshell.Client --jar
> /home/kbonagir/yarn/hadoop-2.0.0-alpha/share/hadoop/mapreduce/hadoop-yarn-applications-distributedshell-2.0.0-alpha.jar
> --shell_command date --num_containers 2
> Around 730th time or so, I am getting an error in node manager's log saying
> that it failed to launch container because there are "Too many open files"
> and when I observe through lsof command,I find that there is one instance of
> this kind of file is left for each run of Application Master, and it kept
> growing as I am running it in loop.
> node1:44871->node1:50010
> Thanks,
> Kishore
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