Re: [PATCH] Expose Ceph data location information to Hadoop

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On Tue, Nov 30, 2010 at 9:17 AM, Noah Watkins <jayhawk@xxxxxxxxxxx> wrote:
> Whether or not this is an IOCTL that expands the ABI, or a user-level library that contains the striping strategy logic seems to be a decision for someone else, but the important thing is that striping strategy logic doesn't get distributed into arbitrary code bases such as Hadoop, requiring synchronization.
Based on my (unmerged) work writing a userspace client-based
FileSystem for Hadoop, I don't think any JNI code is going to go into
the Hadoop tree. So the striping strategy could easily go into the JNI
code and be maintained separately from the Java code. :)
-Greg
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