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From Jason Rutherglen <jason.rutherg...@gmail.com>
Subject Re: Memory mapped resources
Date Mon, 11 Apr 2011 23:05:37 GMT
Yes you can however it will require customization of HDFS.  Take a
look at HDFS-347 specifically the HDFS-347-branch-20-append.txt patch.
 I have been altering it for use with HBASE-3529.  Note that the patch
noted is for the -append branch which is mainly for HBase.

On Mon, Apr 11, 2011 at 3:57 PM, Benson Margulies <bimargulies@gmail.com> wrote:
> We have some very large files that we access via memory mapping in
> Java. Someone's asked us about how to make this conveniently
> deployable in Hadoop. If we tell them to put the files into hdfs, can
> we obtain a File for the underlying file on any given node?

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