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https://issues.apache.org/jira/browse/HDFS-16360?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17454096#comment-17454096
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Yayu Wang commented on HDFS-16360:
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[~vjasani] Thanks for your reply. I have not explored that. I just download the
binary and add nothing to the configuration files.
Does [fs.trash.interval
config|https://github.com/apache/hadoop/blob/trunk/hadoop-common-project/hadoop-common/src/main/resources/core-default.xml#L921-L932]
matter? It looks like a protection for the hdfs data, while the rm command
just deletes the files on disk.
> Adding confirm prompt when removing root directory on local filesystem
> ----------------------------------------------------------------------
>
> Key: HDFS-16360
> URL: https://issues.apache.org/jira/browse/HDFS-16360
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: Yayu Wang
> Priority: Major
>
> Would you like to add a confirm prompt when removing the root directory,
> especially when using local filesystem? I forgot to set fs.defaultFS and
> executed `rm -r /*` and it deleted everything on my local system. I lost
> everything under my $HOME directory, and I think a sudo user may destroy the
> host by doing so.
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