Laurel Hale created IMPALA-7162:
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Summary: idle_query_timeout setting in Impala needs more
clarification
Key: IMPALA-7162
URL: https://issues.apache.org/jira/browse/IMPALA-7162
Project: IMPALA
Issue Type: Documentation
Components: Docs
Affects Versions: Impala 2.6.0
Reporter: Laurel Hale
1) Please refer to the following Impala documentation:
[http://impala.apache.org/docs/build3x/html/topics/impala_timeouts.html]
2) Please see the section where idle_query_timeout is explained.
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Request:-
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We've mentioned that idle_query_timeout cancels the query.
Can we please elaborate it further and mention that query still stays open
(after being cancelled) and consumes a slot in Impala admission control?
Therefore, though idle_query_timeout helps in saving some resources at Impala
end, you may still want to configure idle_Session_timeout to same value since
idle_Session_timeout even closes the query for idle sessions (instead of just
cancelling) though the requirement for it to trigger is session should stay
idle.
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