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Date: Fri, 27 Jun 2008 15:39:44 -0700 (PDT)
From: "Pete Wyckoff (JIRA)" <jira@apache.org>
To: core-dev@hadoop.apache.org
Subject: [jira] Updated: (HADOOP-3485) implement writes
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     [ https://issues.apache.org/jira/browse/HADOOP-3485?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Pete Wyckoff updated HADOOP-3485:
---------------------------------

    Attachment: patch1.txt

I don't know what I was thinking before about writes not working. Must have been confused. There was a bug (the write not returning #bytes written) which I have fixed and also enabled create, write, mknod and flush. 

I'm including this now, but will wait to officially submit a patch until I have a unit test.


> implement writes
> ----------------
>
>                 Key: HADOOP-3485
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3485
>             Project: Hadoop Core
>          Issue Type: New Feature
>          Components: contrib/fuse-dfs
>            Reporter: Pete Wyckoff
>            Priority: Minor
>         Attachments: patch1.txt
>
>   Original Estimate: 48h
>  Remaining Estimate: 48h
>
> Doesn't support writes because fuse protocol first creates the file then closes it and re-opens it to start writing to it. So, (until hadoop-1700), we need a work around.
> One way to do this is to open the file with overwrite flag on the second open. For security, would only want to do this for zero length files (could even check the creation ts too, but because of clock skew, that may be harder).
> Doug, Craig, Nicholas - Comments?
> -- pete
> ps since mostly already implemented, this should be a very quick patch

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