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From John Vines <>
Subject Re: Cleanup of distcache after running map reduce jobs
Date Thu, 07 Mar 2013 18:26:04 GMT
The cache will clear itself after 24 hours if I remember correctly. I have
hit this issue before and, provided your hitting the same issue I've seen
before, you're options are to either-
1. up the number of inodes for your system
2. add accumulo to the child opts classpath via mapred-site.xml and then
use the normal hadoop command to kick off your job instead of the
accumulo/ script

On Thu, Mar 7, 2013 at 12:37 PM, Mike Hugo <> wrote:

> We noticed that after running several thousand map reduce jobs that our
> file system was filling up.  The culprit is the libjars that are getting
> uploaded to the distributed cache for each job - doesn't look like they're
> ever being deleted.
> Is there a mechanism to clear the distributed cache (or should this happen
> automatically).
> This is probably a straight up hadoop question, but I'm asking here first
> in case you've seen this sort of thing with accumulo before.
> Thanks!
> Mike

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