Brock Noland created HIVE-5110:
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             Summary: Investigate memory consumption during map-side join
                 Key: HIVE-5110
                 URL: https://issues.apache.org/jira/browse/HIVE-5110
             Project: Hive
          Issue Type: Improvement
            Reporter: Brock Noland


In map-side join we have this track the JVM memory usage and if it's over a 
certain limit we fail the task. In HIVE-4838 we discussed removing that and 
letting the JVM run OOM. However there was a concern that this could cause 
performance problems for queries that will run out of memory.

This jira is to decide we can let the JVM run OOM and if so remove that check. 
If we cannot, can we raise the default limit?

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