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https://issues.apache.org/jira/browse/HADOOP-6253?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13161326#comment-13161326
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Ravi Prakash commented on HADOOP-6253:
--------------------------------------

In an orthogonal concern, just out of curiosity, does anyone happen to know how 
Ceph compares to HDFS in terms performance now? Gregory's first post is over 2 
years old now and presumably a lot more development and optimizations have gone 
into both filesystems.
                
> 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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