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From "Andy Isaacson (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-4140) fuse-dfs silently truncates files being overwritten
Date Thu, 01 Nov 2012 22:24:12 GMT
Andy Isaacson created HDFS-4140:
-----------------------------------

             Summary: 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


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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