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Posted to issues@hive.apache.org by "Owen O'Malley (JIRA)" <ji...@apache.org> on 2017/07/26 00:04:11 UTC

[jira] [Closed] (HIVE-15487) LLAP: Improvements to random selection while scheduling

     [ https://issues.apache.org/jira/browse/HIVE-15487?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Owen O'Malley closed HIVE-15487.
--------------------------------

> LLAP: Improvements to random selection while scheduling
> -------------------------------------------------------
>
>                 Key: HIVE-15487
>                 URL: https://issues.apache.org/jira/browse/HIVE-15487
>             Project: Hive
>          Issue Type: Bug
>          Components: llap
>    Affects Versions: 2.2.0
>            Reporter: Prasanth Jayachandran
>            Assignee: Prasanth Jayachandran
>             Fix For: 2.2.0
>
>         Attachments: HIVE-15487.1.patch
>
>
> Currently llap scheduler, picks up random host when no locality information is specified or when all requested hosts are busy serving other requests with forced locality. In such cases, we can pick up the next available node in consistent order to get better locality instead of random selection. 



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