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From Edward Capriolo <edlinuxg...@gmail.com>
Subject Re: Memory mapped resources
Date Tue, 12 Apr 2011 00:32:56 GMT
On Mon, Apr 11, 2011 at 7:05 PM, Jason Rutherglen
<jason.rutherglen@gmail.com> wrote:
> 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?

This features it not yet part of hadoop so doing this is not "convenient".

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