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From "Wei Zheng (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-13934) Configure Tez to make nocondiional task size memory available for the Processor
Date Sat, 23 Jul 2016 06:15:20 GMT

    [ https://issues.apache.org/jira/browse/HIVE-13934?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15390566#comment-15390566
] 

Wei Zheng commented on HIVE-13934:
----------------------------------

[~leftylev] I'm not sure how to write the release note, but here is the explanation for the
default value. If it's -1, then we always let Tez to decide the percentage of memory to allocate
for the processor. If this is a percentage that's greater than 0, then Tez will honor this
percentage when allocating memory.

> Configure Tez to make nocondiional task size memory available for the Processor
> -------------------------------------------------------------------------------
>
>                 Key: HIVE-13934
>                 URL: https://issues.apache.org/jira/browse/HIVE-13934
>             Project: Hive
>          Issue Type: Bug
>          Components: Hive
>    Affects Versions: 2.1.0
>            Reporter: Wei Zheng
>            Assignee: Wei Zheng
>              Labels: TODOC2.1.1
>             Fix For: 2.2.0, 2.1.1
>
>         Attachments: HIVE-13934.1.patch, HIVE-13934.10.patch, HIVE-13934.11.patch, HIVE-13934.2.patch,
HIVE-13934.3.patch, HIVE-13934.4.patch, HIVE-13934.6.patch, HIVE-13934.7.patch, HIVE-13934.8.patch,
HIVE-13934.9.patch
>
>
> Currently, noconditionaltasksize is not validated against the container size, the reservations
made in the container by Tez for Inputs / Outputs etc.
> Check this at compile time to see if enough memory is available, or set up the vertex
to reserve additional memory for the Processor.



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