Jinfeng Ni created DRILL-4768:
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Summary: Drill may leak hive meta store connection if hive meta
store client call hits error
Key: DRILL-4768
URL: https://issues.apache.org/jira/browse/DRILL-4768
Project: Apache Drill
Issue Type: Bug
Reporter: Jinfeng Ni
We are seeing one drillbit creates hundreds of connections to hive meta store.
This indicates that drill is leaking those connection, and did not close those
connections properly. When such leaking happens, it may prevent other
applications from connecting to hive meta store.
It seems one cause of leaking connection happens when hive meta store client
call hits exception.
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