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From "Prasanth Jayachandran (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-16013) Fragments without locality can stack up on nodes
Date Mon, 27 Feb 2017 19:55:45 GMT

     [ https://issues.apache.org/jira/browse/HIVE-16013?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Prasanth Jayachandran updated HIVE-16013:
-----------------------------------------
       Resolution: Fixed
    Fix Version/s: 2.2.0
           Status: Resolved  (was: Patch Available)

Test failures are unrelated. It's happening already in master.
Committed patch to master. Thanks for the reviews Sid!

> Fragments without locality can stack up on nodes
> ------------------------------------------------
>
>                 Key: HIVE-16013
>                 URL: https://issues.apache.org/jira/browse/HIVE-16013
>             Project: Hive
>          Issue Type: Bug
>          Components: llap
>    Affects Versions: 2.2.0
>            Reporter: Siddharth Seth
>            Assignee: Prasanth Jayachandran
>             Fix For: 2.2.0
>
>         Attachments: HIVE-16013.1.patch, HIVE-16013.2.patch
>
>
> When no locality information is provide, task requests can stack up on a node because
of consistent no selection. When locality information is not provided we should fallback to
random selection for better work distribution. 



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