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From Hitesh Shah <hit...@apache.org>
Subject Re: YARN userapp cache lifetime: can't find core dump
Date Tue, 02 Sep 2014 21:44:55 GMT
Hi John

You need to set "yarn.nodemanager.delete.debug-delay-sec” to a non-zero value. Will need
an NM restart to bring this change into effect though. 

— Hitesh


On Sep 2, 2014, at 1:02 PM, John Lilley <john.lilley@redpoint.net> wrote:

> We have a YARN task that is core-dumping, and the JVM error log says:
> # Core dump written. Default location: /data2/hadoop/yarn/local/usercache/jlilley/appcache/application_1405724043176_2453/container_1405724043176_2453_01_000002/core
or core.14801
> 
> However when I look at the node, everything below here is empty
> /data2/hadoop/yarn/local/usercache/jlilley/appcache
> 
> I seem to recall there is a YARN setting to control the time these files are kept around
after application exit, but I can't figure out what it is.
> 
> Thanks,
> john
> 
> <winmail.dat>


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