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From "Gang Tim Liu (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-3072) Hive List Bucketing - DDL support (single column)
Date Thu, 31 May 2012 18:55:23 GMT

     [ https://issues.apache.org/jira/browse/HIVE-3072?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Gang Tim Liu updated HIVE-3072:
-------------------------------

    Description: 
If a hive table column has skewed keys, query performance on non-skewed key is always impacted.
Hive List Bucketing feature will address it:

https://cwiki.apache.org/Hive/listbucketing.html

This jira issue will track DDL change for the feature. It's for single skewed column.

  was:
If a hive table column has skewed keys, query performance on non-skewed key is always impacted.
Hive List Bucketing feature will address it:

https://cwiki.apache.org/Hive/listbucketing.html

This jira issue will track DDL change for the feature.

        Summary: Hive List Bucketing - DDL support (single column)  (was: Hive List Bucketing
- DDL support)
    
> Hive List Bucketing - DDL support (single column)
> -------------------------------------------------
>
>                 Key: HIVE-3072
>                 URL: https://issues.apache.org/jira/browse/HIVE-3072
>             Project: Hive
>          Issue Type: New Feature
>          Components: SQL
>            Reporter: Gang Tim Liu
>            Assignee: Gang Tim Liu
>
> If a hive table column has skewed keys, query performance on non-skewed key is always
impacted. Hive List Bucketing feature will address it:
> https://cwiki.apache.org/Hive/listbucketing.html
> This jira issue will track DDL change for the feature. It's for single skewed column.

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