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Posted to mapreduce-issues@hadoop.apache.org by "zhihai xu (JIRA)" <ji...@apache.org> on 2014/11/20 02:17:33 UTC
[jira] [Created] (MAPREDUCE-6169) MergeQueue should release
reference to the current item from key and value at the end of the
iteration to save memory.
zhihai xu created MAPREDUCE-6169:
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Summary: MergeQueue should release reference to the current item from key and value at the end of the iteration to save memory.
Key: MAPREDUCE-6169
URL: https://issues.apache.org/jira/browse/MAPREDUCE-6169
Project: Hadoop Map/Reduce
Issue Type: Improvement
Reporter: zhihai xu
Assignee: zhihai xu
Priority: Minor
MergeQueue should release reference to the current item from key and value at the end of the iteration to save memory.
these buffers referenced by key and value can be large, which may cause an OOM error.
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