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https://issues.apache.org/jira/browse/HIVE-1463?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12889395#action_12889395
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He Yongqiang commented on HIVE-1463:
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Agreed with Ning. Need to be especially careful about the renaming to make sure
the renaming will not change the ordering of filenames.
Both bucket map join and bucket sort map join just sort the filenames to match
buckets in different tables.
> hive output file names are unnecessarily large
> ----------------------------------------------
>
> Key: HIVE-1463
> URL: https://issues.apache.org/jira/browse/HIVE-1463
> Project: Hadoop Hive
> Issue Type: Improvement
> Reporter: Joydeep Sen Sarma
> Attachments: hive-1463.1.patch
>
>
> Hive's output files are named like this:
> attempt_201006221843_431854_r_000000_0
> out of all of this goop - only one character '0' would have sufficed. we
> should fix this. This would help environments with namenode memory
> constraints.
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