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https://issues.apache.org/jira/browse/HADOOP-6253?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13160151#comment-13160151
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Gregory Farnum commented on HADOOP-6253:
----------------------------------------

This was originally written against (the now dead, as I understand it) branch 
0.21. We have patches in our (public) repository against branch .20 (which I 
believe will apply to the new 1.0, but I'd have to check), but before we 
resubmit upstream we want to do some restructuring work.
(Right now they use a custom JNI .so "libhadoopcephfs" and we'd like to do up 
some proper libceph bindings in Java and just use those.)
                
> Add a Ceph FileSystem interface.
> --------------------------------
>
>                 Key: HADOOP-6253
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6253
>             Project: Hadoop Common
>          Issue Type: New Feature
>          Components: fs
>            Reporter: Gregory Farnum
>            Assignee: Gregory Farnum
>            Priority: Minor
>              Labels: ceph
>         Attachments: HADOOP-6253.patch, HADOOP-6253.patch, HADOOP-6253.patch, 
> HADOOP-6253.patch, HADOOP-6253.patch
>
>
> The experimental distributed filesystem Ceph does not have a single point of 
> failure, uses a distributed metadata cluster instead of a single in-memory 
> server, and might be of use to some Hadoop users.

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