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From "Joydeep Sen Sarma (JIRA)" <j...@apache.org>
Subject [jira] Resolved: (HIVE-110) table/partition compaction utility
Date Wed, 03 Dec 2008 22:41:44 GMT

     [ https://issues.apache.org/jira/browse/HIVE-110?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Joydeep Sen Sarma resolved HIVE-110.
------------------------------------

    Resolution: Duplicate

> table/partition compaction utility
> ----------------------------------
>
>                 Key: HIVE-110
>                 URL: https://issues.apache.org/jira/browse/HIVE-110
>             Project: Hadoop Hive
>          Issue Type: Bug
>            Reporter: Joydeep Sen Sarma
>
> in many cases, we cannot help producing a large number of output files in a final result
table. This can put pressure on the namenode and as well makes downstream queries potentially
inefficient (until we have combinefileinputformat). Users would like to have a simple utility
in hive to reduce the number of files by concatenating them together. This should apply on
a per partition basis.
> Long term - Hive should do this kind of compaction automatically - either online or offline.

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