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From "Gang Tim Liu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-3072) Hive List Bucketing - DDL support
Date Thu, 16 Aug 2012 16:41:38 GMT

    [ https://issues.apache.org/jira/browse/HIVE-3072?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13436084#comment-13436084
] 

Gang Tim Liu commented on HIVE-3072:
------------------------------------

thank you for providing comments. will address them and provide patch. thanks
                
> Hive List Bucketing - DDL support
> ---------------------------------
>
>                 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
>         Attachments: HIVE-3072.patch, HIVE-3072.patch.1
>
>
> 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 both single skewed column
and multiple columns.

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