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Posted to issues@hive.apache.org by "Gunther Hagleitner (JIRA)" <ji...@apache.org> on 2015/04/02 23:56:54 UTC

[jira] [Resolved] (HIVE-10162) LLAP: Avoid deserializing the plan > 1 times in a single thread

     [ https://issues.apache.org/jira/browse/HIVE-10162?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gunther Hagleitner resolved HIVE-10162.
---------------------------------------
    Resolution: Fixed

Committed to branch.

> LLAP: Avoid deserializing the plan > 1 times in a single thread
> ---------------------------------------------------------------
>
>                 Key: HIVE-10162
>                 URL: https://issues.apache.org/jira/browse/HIVE-10162
>             Project: Hive
>          Issue Type: Sub-task
>    Affects Versions: llap
>            Reporter: Gopal V
>            Assignee: Gunther Hagleitner
>             Fix For: llap
>
>         Attachments: HIVE-10162.1.patch, deserialize-plan-1.png, deserialize-plan-2.png
>
>
> Kryo shows up in the critical hot-path for LLAP when using a plan with a very large filter condition, due to the fact that the plan is deserialized more than once for each task.
> !deserialize-plan-1.png!
> !deserialize-plan-2.png!



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