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https://issues.apache.org/jira/browse/HIVE-2084?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13461680#comment-13461680
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Carl Steinbach commented on HIVE-2084:
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@Andy: I'd like to take a look at these tests that persist maps with null
values. Can you please tell us where they are located? Thanks.
> 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: ASF.LICENSE.NOT.GRANTED--HIVE-2084.D2397.1.patch,
> HIVE-2084.1.patch.txt, HIVE-2084.2.patch.txt, 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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