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Posted to issues@hive.apache.org by "Prasanth Jayachandran (JIRA)" <ji...@apache.org> on 2017/02/22 22:39:44 UTC

[jira] [Commented] (HIVE-16013) Fragments without locality can stack up on nodes

    [ https://issues.apache.org/jira/browse/HIVE-16013?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15879389#comment-15879389 ] 

Prasanth Jayachandran commented on HIVE-16013:
----------------------------------------------

[~sseth] can you please take a look?

> 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
>         Attachments: HIVE-16013.1.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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