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https://issues.apache.org/jira/browse/HIVE-2084?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13014711#comment-13014711
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Ning Zhang commented on HIVE-2084:
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Thank Mac for the update.
@Carl, I'll change the field size if they do not match with the relational
schema. BTW, we don't need to upgrade the relational schema. I'm trying to
update the object-to-relational mapping in package.jdo to match with the
relational schema.
Also there are some tests failing. I'm working on that and will upload a new
patch all together.
> Upgrade datanucleus from 2.0.3 to 2.2.3
> ---------------------------------------
>
> Key: HIVE-2084
> URL: https://issues.apache.org/jira/browse/HIVE-2084
> Project: Hive
> Issue Type: Improvement
> Reporter: Ning Zhang
> Assignee: Ning Zhang
> Attachments: 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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