Hari Sankar Sivarama Subramaniyan created HIVE-5836:
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Summary: Improve logging in ExecReducer.reduce()
Key: HIVE-5836
URL: https://issues.apache.org/jira/browse/HIVE-5836
Project: Hive
Issue Type: Bug
Reporter: Hari Sankar Sivarama Subramaniyan
Assignee: Hari Sankar Sivarama Subramaniyan
Fix For: 0.13.0
Although ExecReducer.reduce() logs the used JVM heap memory, we need to log the
committed, max and used memory
(http://docs.oracle.com/javase/6/docs/api/java/lang/management/MemoryUsage.html)
to debug any future outofmemory issues.
l4j.info("ExecReducer: processing " + cntr
+ " rows: used memory = " + used_memory);
i.e. the above log info should include max_memory as well as committed_memory
for a propery analysis of memory usage at runtime.
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