Prasanth Jayachandran created HIVE-14397:
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Summary: Queries launched after reopening of tez session launches
additional sessions
Key: HIVE-14397
URL: https://issues.apache.org/jira/browse/HIVE-14397
Project: Hive
Issue Type: Bug
Components: Tez
Affects Versions: 2.1.0, 2.2.0
Reporter: Takahiko Saito
Assignee: Prasanth Jayachandran
Priority: Critical
Say we have configured hive.server2.tez.default.queues with 2 queues q1 and q2
with default expiry interval of 5 mins.
After 5 mins of non-usage the sessions corresponding to queues q1 and q2 will
be expired. When new set of queries are issue after this expiry, the default
sessions backed by q1 and q2 and reopened again. Now when we run more queries
the reopened sessions are not used instead new session is opened.
At this point there will be 4 sessions running (2 abandoned sessions and 2
current sessions).
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