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From "Xiaoyu Yao (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-12358) FSShell should prompt before deleting directories bigger than a configured size
Date Wed, 26 Aug 2015 16:40:45 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-12358?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14714488#comment-14714488
] 

Xiaoyu Yao commented on HADOOP-12358:
-------------------------------------

bq. There's also some danger of client OOMs when trying to delete a large directory, since
getContentSummary is not using the iterator-based listing. That's an issue we can fix in a
different JIRA though.

If the client OOM because of deleting large directory, make it OOM upon getContentSummary
can actually help avoiding an inconsistent (half completed) deletion states. 

> FSShell should prompt before deleting directories bigger than a configured size
> -------------------------------------------------------------------------------
>
>                 Key: HADOOP-12358
>                 URL: https://issues.apache.org/jira/browse/HADOOP-12358
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: fs
>            Reporter: Xiaoyu Yao
>            Assignee: Xiaoyu Yao
>         Attachments: HADOOP-12358.00.patch
>
>
> We have seen many cases with customers deleting data inadvertently with -skipTrash. The
FSShell should prompt user if the size of the data or the number of files being deleted is
bigger than a threshold even though -skipTrash is being used.



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