Selvaganesan Govindarajan created TRAFODION-2134:
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Summary: Change the overflow_mode to 'DISK' by default
Key: TRAFODION-2134
URL: https://issues.apache.org/jira/browse/TRAFODION-2134
Project: Apache Trafodion
Issue Type: Bug
Components: sql-exe
Affects Versions: 2.1-incubating
Reporter: Selvaganesan Govindarajan
Assignee: Selvaganesan Govindarajan
Fix For: 2.1-incubating
In queries involving Block Memory Operators (BMOs), Trafodion can overflow the
data from the data flow into scratch files. These scratch files are currently
being memory mapped which puts pressure on the memory usage on the node when
there is large amount of overflow. The default needs to be changed to DISK
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