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From "Zhang Bingjun (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HDFS-421) fuse-dfs - df -kh on hdfs mount shows much less %used than the dfs UI
Date Fri, 28 Aug 2009 07:32:59 GMT

    [ https://issues.apache.org/jira/browse/HDFS-421?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12748707#action_12748707

Zhang Bingjun commented on HDFS-421:

Hi Pete,

Do you still have this problem?

On my fuse_dfs with hadoop-0.20.0, I got the following displayed message when I did df -kh:

hadoop@mofs-001:~$ df -kh hadoop-hdfs
Filesystem            Size  Used Avail Use% Mounted on
fuse_dfs              1.2G -1024Y -2.0G 100% /home/hadoop/hadoop-hdfs

Any suggestions where this might be from? Thanks!

> fuse-dfs - df -kh on hdfs mount shows much less %used than the dfs UI
> ---------------------------------------------------------------------
>                 Key: HDFS-421
>                 URL: https://issues.apache.org/jira/browse/HDFS-421
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: contrib/fuse-dfs
>            Reporter: Pete Wyckoff
>            Assignee: Pete Wyckoff
> i.e., statfs broken.
> This used to show the correct amount and now is showing wrong numbers in  production
> Yet, the unit test for this passes??
> This is the trunk version of fuse-dfs against 0.17 libhdfs and hadoop.
> Unknown if this affects 0.18.2 or 19.1 or trunk but i suspect it does. 
> admittedly fuse-dfs isn't supported against hadoop 17 but I am confident that it is likely
broken in all versions.

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