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https://issues.apache.org/jira/browse/HADOOP-12374?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14744751#comment-14744751
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Weiwei Yang commented on HADOOP-12374:
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Is there anybody who can help to commit this?
> Description of hdfs expunge command is confusing
> ------------------------------------------------
>
> Key: HADOOP-12374
> URL: https://issues.apache.org/jira/browse/HADOOP-12374
> Project: Hadoop Common
> Issue Type: Bug
> Components: documentation, trash
> Affects Versions: 2.7.0, 2.7.1
> Reporter: Weiwei Yang
> Assignee: Weiwei Yang
> Labels: docuentation, newbie, suggestions, trash
> Attachments: HADOOP-12374.001.patch, HADOOP-12374.002.patch,
> HADOOP-12374.003.patch, HADOOP-12374.004.patch
>
>
> Usage: hadoop fs -expunge
> Empty the Trash. Refer to the HDFS Architecture Guide for more information on
> the Trash feature.
> this description is confusing. It gives user the impression that this command
> will empty trash, but actually it only removes old checkpoints. If user sets
> a pretty long value for fs.trash.interval, this command will not remove
> anything until checkpoints exist longer than this value.
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