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https://issues.apache.org/jira/browse/HIVE-2084?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13117816#comment-13117816
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John Sichi commented on HIVE-2084:
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Any stress retesting needed in case of regression from 2.2.3 to 3.0.1?
> 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: Carl Steinbach
> Labels: datanucleus
> Attachments: HIVE-2084.1.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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