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From "Colin Patrick McCabe (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-3431) Improve fuse-dfs truncate
Date Thu, 17 May 2012 18:18:14 GMT

     [ https://issues.apache.org/jira/browse/HDFS-3431?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Colin Patrick McCabe updated HDFS-3431:
---------------------------------------

    Description: 
Fuse-dfs truncate only works for size == 0 and per the function's comment is a "Weak implementation
in that we just delete the file and then re-create it, but don't set the user, group, and
times to the old file's metadata". Per HDFS-860 we should ENOTSUP when the size != 0 or the
size of the file.  

Also, we should implement the ftruncate system call in FUSE.

  was:Fuse-dfs truncate only works for size == 0 and per the function's comment is a "Weak
implementation in that we just delete the file and then re-create it, but don't set the user,
group, and times to the old file's metadata". Per HDFS-860 we should ENOTSUP when the size
!= 0 or the size of the file.  

    
> Improve fuse-dfs truncate
> -------------------------
>
>                 Key: HDFS-3431
>                 URL: https://issues.apache.org/jira/browse/HDFS-3431
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: contrib/fuse-dfs
>            Reporter: Eli Collins
>            Priority: Minor
>
> Fuse-dfs truncate only works for size == 0 and per the function's comment is a "Weak
implementation in that we just delete the file and then re-create it, but don't set the user,
group, and times to the old file's metadata". Per HDFS-860 we should ENOTSUP when the size
!= 0 or the size of the file.  
> Also, we should implement the ftruncate system call in FUSE.

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