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From "Lefty Leverenz (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-1511) Hive plan serialization is slow
Date Sun, 19 Jan 2014 08:25:22 GMT

    [ https://issues.apache.org/jira/browse/HIVE-1511?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13875837#comment-13875837
] 

Lefty Leverenz commented on HIVE-1511:
--------------------------------------

This patch adds hive.plan.serialization.format to HiveConf.java and hive-default.xml.template,
so I'll put it in the wiki for Hive 0.13.0.

The release note ("Any 3rd party UDFs used must be declared as public classes") should probably
go in the wiki somewhere too.

> 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, 0.11.0
>            Reporter: Ning Zhang
>            Assignee: Mohammad Kamrul Islam
>             Fix For: 0.13.0
>
>         Attachments: HIVE-1511-wip.patch, HIVE-1511-wip2.patch, HIVE-1511-wip3.patch,
HIVE-1511-wip4.patch, HIVE-1511.10.patch, HIVE-1511.11.patch, HIVE-1511.12.patch, HIVE-1511.13.patch,
HIVE-1511.14.patch, HIVE-1511.16.patch, HIVE-1511.17.patch, HIVE-1511.4.patch, HIVE-1511.5.patch,
HIVE-1511.6.patch, HIVE-1511.7.patch, HIVE-1511.8.patch, HIVE-1511.9.patch, HIVE-1511.patch,
HIVE-1511.wip.9.patch, KryoHiveTest.java, failedPlan.xml, generated_plan.xml, run.sh
>
>
> 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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