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Posted to dev@hive.apache.org by "Zheng Shao (JIRA)" <ji...@apache.org> on 2010/02/18 20:30:27 UTC
[jira] Commented: (HIVE-1178) enforce bucketing for a table
[ https://issues.apache.org/jira/browse/HIVE-1178?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12835353#action_12835353 ]
Zheng Shao commented on HIVE-1178:
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Can you explain what are the comments and changes?
> enforce bucketing for a table
> -----------------------------
>
> Key: HIVE-1178
> URL: https://issues.apache.org/jira/browse/HIVE-1178
> Project: Hadoop Hive
> Issue Type: New Feature
> Components: Query Processor
> Reporter: Namit Jain
> Assignee: Namit Jain
> Fix For: 0.6.0
>
> Attachments: hive.1178.1.patch, hive.1178.2.patch
>
>
> If the table being inserted is a bucketed, currently hive does not try to enforce that.
> An option should be added for checking that.
> Moreover, the number of buckets can be higher than the number of maximum reducers, in which
> case a single reducer can write to multiple files.
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