Selvaganesan Govindarajan created TRAFODION-2653:
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Summary: Sort operator loops at times
Key: TRAFODION-2653
URL: https://issues.apache.org/jira/browse/TRAFODION-2653
Project: Apache Trafodion
Issue Type: Bug
Components: sql-exe
Affects Versions: 2.2-incubating
Reporter: Selvaganesan Govindarajan
This issue was observed in Esgyn internal testing. When the system is heavily
loaded, the scratch IOs can return EAGAIN that translates to
OPERATION_NOT_COMPLETE in Sort scratch IO handling. This condition is not being
handled correctly.
Scratch IO doesn't use asynchronous IOs though the scratch file is opened in
non-blocking mode. EAGAIN is returned from these IO operations very rarely. It
should be fine to open the scratch file in blocking mode to avoid this problem
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