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HDFS, mail # user - reg memory allocation failed


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reg memory allocation failed
Manoj Babu 2013-03-08, 13:53
Team,

I am getting this issue when reducer starts executing after map's
completed. After job failed with below exception when i restart its running
fine.
We are getting this issue after upgrading to MRv1(CDH4).

Any inputs will be more helpful, Thanks in advance.

#
# There is insufficient memory for the Java Runtime Environment to continue.
# Native memory allocation (malloc) failed to allocate 32 bytes for
CHeapObj-new
# An error report file with more information is saved as:
#
/data/9/mapred/local/taskTracker/alum/jobcache/job_201303021416_2999/attempt_201303021416_2999_r_000002_0/work/hs_err_pid948.log

Cheers!
Manoj.