[jira] Commented: (HDFS-860) fuse-dfs truncate behavior causes issues with scp

["Tom White (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HDFS-860?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12843808#action_12843808 ] 

Tom White commented on HDFS-860:
--------------------------------

Brian,

Another solution would be to return 0 if the size to truncate to is the same as the file's size. This would cover the scp case, without breaking error codes, no?

BTW what OS are you using? I haven't been able to reproduce this on Centos or Ubuntu, as scp doesn't seem to be calling truncate.

> fuse-dfs truncate behavior causes issues with scp
> -------------------------------------------------
>
>                 Key: HDFS-860
>                 URL: https://issues.apache.org/jira/browse/HDFS-860
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: contrib/fuse-dfs
>            Reporter: Brian Bockelman
>            Priority: Minor
>         Attachments: HDFS-860.patch
>
>
> For whatever reason, scp issues a "truncate" once it's written a file to truncate the file to the # of bytes it has written (i.e., if a file is X bytes, it calls truncate(X)).
> This fails on the current fuse-dfs.

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