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From "Sergey Shelukhin (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-10937) LLAP: make ObjectCache for plans work properly in the daemon
Date Fri, 05 Jun 2015 19:44:00 GMT

     [ https://issues.apache.org/jira/browse/HIVE-10937?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sergey Shelukhin updated HIVE-10937:
------------------------------------
    Attachment: HIVE-10937.patch

[~hagleitn] can you take a look? it's basically a cache of object pools, which should have
better reuse than threadlocals. If we had a query-scope object it could be nicer

> LLAP: make ObjectCache for plans work properly in the daemon
> ------------------------------------------------------------
>
>                 Key: HIVE-10937
>                 URL: https://issues.apache.org/jira/browse/HIVE-10937
>             Project: Hive
>          Issue Type: Sub-task
>            Reporter: Sergey Shelukhin
>            Assignee: Sergey Shelukhin
>             Fix For: llap
>
>         Attachments: HIVE-10937.patch
>
>
> There's perf hit otherwise, esp. when stupid planner creates 1009 reducers of 4Mb each.



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