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From "Ning Zhang (JIRA)" <>
Subject [jira] [Updated] (HIVE-2084) Upgrade datanucleus to from 2.0.3 to 2.2.3
Date Thu, 31 Mar 2011 06:25:05 GMT


Ning Zhang updated HIVE-2084:

    Attachment: HIVE-2084.patch

review board:

Testing using the script provided by HIVE-1862 while adding partitions to the input table.
Test has been going on for several hours and so far so good.

> Upgrade datanucleus to from 2.0.3 to 2.2.3
> ------------------------------------------
>                 Key: HIVE-2084
>                 URL:
>             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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