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Date: Thu, 22 Mar 2012 00:43:26 +0000 (UTC)
From: "Alan Gates (Commented) (JIRA)" <jira@apache.org>
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Subject: [jira] [Commented] (HIVE-2084) Upgrade datanucleus from 2.0.3 to
 3.0.1
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    [ https://issues.apache.org/jira/browse/HIVE-2084?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13235260#comment-13235260 ] 

Alan Gates commented on HIVE-2084:
----------------------------------

When I apply this patch all of the Hive end-to-end tests I have pass, as well as the HCatalog ones (including the ones added in HCATALOG-209 to test this issue).
                
> Upgrade datanucleus from 2.0.3 to 3.0.1
> ---------------------------------------
>
>                 Key: HIVE-2084
>                 URL: https://issues.apache.org/jira/browse/HIVE-2084
>             Project: Hive
>          Issue Type: Improvement
>          Components: Metastore
>            Reporter: Ning Zhang
>            Assignee: Sushanth Sowmyan
>              Labels: datanucleus
>         Attachments: HIVE-2084.1.patch.txt, HIVE-2084.2.patch.txt, HIVE-2084.D2397.1.patch, HIVE-2084.patch
>
>
> It seems the datanucleus 2.2.3 does a better join in caching. The time it takes to get the same set of partition objects takes about 1/4 of the time it took for the first time. While with 2.0.3, it took almost the same amount of time in the second execution. We should retest the test case mentioned in HIVE-1853, HIVE-1862.

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