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https://issues.apache.org/jira/browse/HDFS-4140?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Colin Patrick McCabe reassigned HDFS-4140:
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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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