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From John Lilley <john.lil...@redpoint.net>
Subject YARN userapp cache lifetime: can't find core dump
Date Tue, 02 Sep 2014 20:02:08 GMT
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


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