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From "Hudson (JIRA)" <>
Subject [jira] [Commented] (HIVE-2471) Add timestamp column to the partition stats table.
Date Wed, 09 Jan 2013 10:24:41 GMT


Hudson commented on HIVE-2471:

Integrated in Hive-trunk-hadoop2 #54 (See [])
    HIVE-2471 Add timestamp column to the partition stats table.
(Kevin Wilfong via namit) (Revision 1302739)

     Result = ABORTED
namit :
Files : 
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/stats/jdbc/
* /hive/trunk/ql/src/java/org/apache/hadoop/hive/ql/stats/jdbc/

> Add timestamp column to the partition stats table.
> --------------------------------------------------
>                 Key: HIVE-2471
>                 URL:
>             Project: Hive
>          Issue Type: Improvement
>            Reporter: Kevin Wilfong
>            Assignee: Kevin Wilfong
>             Fix For: 0.9.0
>         Attachments: ASF.LICENSE.NOT.GRANTED--HIVE-2471.D2367.1.patch, ASF.LICENSE.NOT.GRANTED--HIVE-2471.D2367.2.patch,
ASF.LICENSE.NOT.GRANTED--HIVE-2471.D2367.3.patch, HIVE-2471.1.patch.txt
> Occasionally, when entries are added to the partition stats table the program is halted
before it can delete those entries, by an exception, keyboard interrupt, etc.  These build
up to the point where the table gets very large, and it hurts the performance of the update
statement which is often called.  In order to fix this, I am adding a column to the table
which is auto-populated with the current timestamp.  This will allow us to create scripts
that go through periodically and clean out old entries from the table.

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