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From "Rong-en Fan" <gra...@gmail.com>
Subject Re: How to set up rack awareness?
Date Thu, 17 Apr 2008 15:21:46 GMT
On Thu, Apr 17, 2008 at 2:41 AM, Nate Carlson <hadoop@natecarlson.com> wrote:
> I'm setting up a hadoop cluster across two data centers (with gig bandwidth
> between them).. I'd like to use the rack awareness features to help Hadoop
> know which nodes are "local".. I see that it's possible, but haven't found
> any guides on how to set it up. If anyone's got a quick primer I'd
> appreciate it!

I think you have to prepare a 'network script' in hadoop-site.xml. This script
tells which rack this host belongs to.

Rong-En Fan

>  -nc

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