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Posted to dev@hive.apache.org by "Gopal V (JIRA)" <ji...@apache.org> on 2017/05/02 22:32:04 UTC

[jira] [Created] (HIVE-16571) HiveServer2: Prefer LIFO over round-robin for Tez session reuse

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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