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From "Jason Lowe (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (YARN-4011) Jobs fail since nm-local-dir not cleaned up when rogue job fills up disk
Date Mon, 03 Aug 2015 21:00:05 GMT

     [ https://issues.apache.org/jira/browse/YARN-4011?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jason Lowe resolved YARN-4011.
------------------------------
    Resolution: Duplicate

Yes, we ran into this a while ago, see YARN-2473 which was ultimately fixed by YARN-90.  There
were a number of other fixes as well such as YARN-3850 and YARN-3925.  Closing this as a duplicate
of YARN-90.

As for the ability to limit disk space, this has been discussed many times before and as far
back as MAPREDUCE-1100.  An unsophisticated solution is to have the container monitor that
already is looking for too much memory usage also monitor disk usage and kill the container
if its too large.  However this doesn't solve the problem for containers that are writing
to locations that aren't container-specific (e.g.: where maps store their shuffle outputs,
/tmp, etc.  I think it could be difficult to enforce tasks that are filling the disk in arbitrary
ways, but it could be straightforward to catch the task that simply is logging too much.

> Jobs fail since nm-local-dir not cleaned up when rogue job fills up disk
> ------------------------------------------------------------------------
>
>                 Key: YARN-4011
>                 URL: https://issues.apache.org/jira/browse/YARN-4011
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: yarn
>    Affects Versions: 2.4.0
>            Reporter: Ashwin Shankar
>
> We observed jobs failed since tasks couldn't launch on nodes due to "java.io.IOException
No space left on device". 
> On digging in further, we found a rogue job which filled up disk.
> Specifically it was wrote a lot of map spills(like attempt_1432082376223_461647_m_000421_0_spill_10000.out)
to nm-local-dir causing disk to fill up, and it failed/got killed, but didn't clean up these
files in nm-local-dir.
> So the disk remained full, causing subsequent jobs to fail.
> This jira is created to address why files under nm-local-dir doesn't get cleaned up when
job fails after filling up disk.



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