Zoltan Haindrich created HIVE-19093:
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Summary: some parts of the Driver runs from the "Background-Pool"
in HS2
Key: HIVE-19093
URL: https://issues.apache.org/jira/browse/HIVE-19093
Project: Hive
Issue Type: Bug
Reporter: Zoltan Haindrich
I was looking into perflog results; and the fact that Driver.run open / close
happens on a different thread caught my eye - this might cause real problems
since {{Session.get()}} will return an entirely different session in the
aftermath...most notably there are some lock related calls like: releaseLocks
{code}
2018-04-03T08:36:53,488 DEBUG [2c81c6c1-aa6f-4609-8250-5b1a5360a8ba
HiveServer2-Handler-Pool: Thread-16242]: log.PerfLogger
(PerfLogger.java:PerfLogBegin(132)) - <PERFLOG method=Driver.run
from=org.apache.hadoop.hive.ql.Driver>
2018-04-03T08:37:21,791 DEBUG [HiveServer2-Background-Pool: Thread-16247]:
log.PerfLogger (PerfLogger.java:PerfLogEnd(172)) - </PERFLOG method=Driver.run
start=1522744613488 end=1522744641791 duration=28303
from=org.apache.hadoop.hive.ql.Driver>
{code}
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