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From "Mohammad Kamrul Islam (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-1511) Hive plan serialization is slow
Date Thu, 22 Aug 2013 20:37:52 GMT

    [ https://issues.apache.org/jira/browse/HIVE-1511?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13747864#comment-13747864
] 

Mohammad Kamrul Islam commented on HIVE-1511:
---------------------------------------------

Let me take it from where you left.

                
> Hive plan serialization is slow
> -------------------------------
>
>                 Key: HIVE-1511
>                 URL: https://issues.apache.org/jira/browse/HIVE-1511
>             Project: Hive
>          Issue Type: Improvement
>    Affects Versions: 0.7.0
>            Reporter: Ning Zhang
>            Assignee: Mohammad Kamrul Islam
>         Attachments: HIVE-1511.4.patch, HIVE-1511.5.patch, HIVE-1511.6.patch, HIVE-1511.7.patch,
HIVE-1511.8.patch, HIVE-1511.patch, HIVE-1511-wip2.patch, HIVE-1511-wip3.patch, HIVE-1511-wip4.patch,
HIVE-1511-wip.patch
>
>
> As reported by Edward Capriolo:
> For reference I did this as a test case....
> SELECT * FROM src where
> key=0 OR key=0 OR key=0 OR  key=0 OR key=0 OR key=0 OR key=0 OR key=0
> OR key=0 OR key=0 OR key=0 OR
> key=0 OR key=0 OR key=0 OR  key=0 OR key=0 OR key=0 OR key=0 OR key=0
> OR key=0 OR key=0 OR key=0 OR
> ...(100 more of these)
> No OOM but I gave up after the test case did not go anywhere for about
> 2 minutes.

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