Gopal V created HIVE-16571:
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Summary: HiveServer2: Prefer LIFO over round-robin for Tez session
reuse
Key: HIVE-16571
URL: https://issues.apache.org/jira/browse/HIVE-16571
Project: Hive
Issue Type: Improvement
Components: HiveServer2, Tez
Affects Versions: 3.0.0
Reporter: Gopal V
Currently Tez session reuse is entirely round-robin, which means a single user
might have to run upto 32 queries before reusing a warm session on a
HiveServer2.
This is not the case when session reuse is disabled, with a user warming up
their session on the 1st query.
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