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From "Gopal V (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-14200) Tez: disable auto-reducer parallelism when reducer-count * min.partition.factor < 1.0
Date Mon, 11 Jul 2016 23:24:11 GMT

     [ https://issues.apache.org/jira/browse/HIVE-14200?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Gopal V updated HIVE-14200:
---------------------------
       Resolution: Fixed
    Fix Version/s: 2.2.0
     Release Note:  Tez: disable auto-reducer parallelism when reducer-count * min.partition.factor
< 1.0 (Gopal V, reviewed by Gunther Hagleitner)
           Status: Resolved  (was: Patch Available)

> Tez: disable auto-reducer parallelism when reducer-count * min.partition.factor <
1.0
> -------------------------------------------------------------------------------------
>
>                 Key: HIVE-14200
>                 URL: https://issues.apache.org/jira/browse/HIVE-14200
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Gopal V
>            Assignee: Gopal V
>             Fix For: 2.2.0
>
>         Attachments: HIVE-14200.1.patch, HIVE-14200.2.patch, HIVE-14200.3.patch
>
>
> The min/max factors offer no real improvement when the fractions are meaningless, for
example when 0.25 * 2  is applied as the min.



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