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https://issues.apache.org/jira/browse/HDFS-8322?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lei (Eddy) Xu updated HDFS-8322:
--------------------------------
Attachment: HDFS-8322.000.patch
The patch checks the file system from every expended arguments. If the file
system {{LocalFileSystem}}, a warning message is printed:
{code}
$ hdfs dfs -ls /
Warning: running "hadoop fs -ls" on local file system: /
Found 28 items
drwx------ - root wheel 170 2014-08-13 22:21 /.Spotlight-V100
d-wx-wx-wt - root wheel 68 2014-08-15 23:21 /.Trashes
drwxr-xr-x - root wheel 136 2014-10-13 12:30 /System
drwxr-xr-x - root admin 204 2014-08-15 23:14 /Users
...
drwxrwxrwt - root wheel 442 2015-05-04 16:26 /tmp
drwxr-xr-x - root wheel 442 2015-02-03 12:27 /usr
drwxr-xr-x - root wheel 884 2015-03-16 14:43 /var
{code}
> Display warning if hadoop fs -ls is showing the local filesystem
> ----------------------------------------------------------------
>
> Key: HDFS-8322
> URL: https://issues.apache.org/jira/browse/HDFS-8322
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: HDFS
> Affects Versions: 2.7.0
> Reporter: Lei (Eddy) Xu
> Assignee: Lei (Eddy) Xu
> Priority: Minor
> Attachments: HDFS-8322.000.patch
>
>
> Using {{LocalFileSystem}} is rarely the intention of running {{hadoop fs
> -ls}}.
> This JIRA proposes displaying a warning message if hadoop fs -ls is showing
> the local filesystem or using default fs.
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