Siddharth Seth created HIVE-13158:
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Summary: HiveServer should pick AMs which are already ready from
the pool
Key: HIVE-13158
URL: https://issues.apache.org/jira/browse/HIVE-13158
Project: Hive
Issue Type: Bug
Reporter: Siddharth Seth
Scenario. Start HiveServer2 with 3 sessions. At startup there's capacity for
this.
All 3 sessions time out.
There's capacity for one session only.
The first query submitted will start a session and use it.
The second query submitted (after the first one is submitted) ends up trying to
launch a new session as well - instead of using the existing free session.
Since there's no capacity, this ends up blocking.
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