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From "Colin Patrick McCabe (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (HDFS-4140) fuse-dfs silently truncates files being overwritten
Date Tue, 06 Nov 2012 19:26:12 GMT

     [ https://issues.apache.org/jira/browse/HDFS-4140?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Colin Patrick McCabe reassigned HDFS-4140:
------------------------------------------

    Assignee: Colin Patrick McCabe
    
> fuse-dfs silently truncates files being overwritten
> ---------------------------------------------------
>
>                 Key: HDFS-4140
>                 URL: https://issues.apache.org/jira/browse/HDFS-4140
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: fuse-dfs
>    Affects Versions: 2.0.2-alpha
>            Reporter: Andy Isaacson
>            Assignee: Colin Patrick McCabe
>
> When fuse-dfs is mount in RW mode, overwriting a file that has content results in the
file being truncated to 0 bytes (losing both the old and the new content).
> {noformat}
> ubuntu@ubu-cdh-0:~$ echo foo > /export/hdfs/tmp/a/t1.txt
> ubuntu@ubu-cdh-0:~$ ls -l /export/hdfs/tmp/a
> total 0
> -rw-r--r-- 1 ubuntu hadoop 4 Nov  1 15:21 t1.txt
> ubuntu@ubu-cdh-0:~$ hdfs dfs -ls /tmp/a
> Found 1 items
> -rw-r--r--   3 ubuntu hadoop          4 2012-11-01 15:21 /tmp/a/t1.txt
> ubuntu@ubu-cdh-0:~$ echo bar > /export/hdfs/tmp/a/t1.txt
> ubuntu@ubu-cdh-0:~$ ls -l /export/hdfs/tmp/a
> total 0
> -rw-r--r-- 1 ubuntu hadoop 0 Nov  1 15:22 t1.txt
> ubuntu@ubu-cdh-0:~$ hdfs dfs -ls /tmp/a
> Found 1 items
> -rw-r--r--   3 ubuntu hadoop          0 2012-11-01 15:22 /tmp/a/t1.txt
> {noformat}

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