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From David Rosenstrauch <dar...@darose.net>
Subject Re: Multiple DataNodes on a single machine
Date Wed, 15 Sep 2010 20:19:52 GMT
On 09/15/2010 11:50 AM, Arv Mistry wrote:
> Hi,
> Is it possible to run multiple data nodes on a single machine? I
> currently have a machine with multiple disks and enough disk capacity
> for replication across them. I don't need redundancy at the machine
> level but would like to be able to handle a single disk failure.
> So I was thinking if I can run multiple DataNodes on a single machine
> each assigned a separate disk that would give me the protection I need
> against disk failure.
> Can anyone give me any insights in to how I would setup multiple
> DataNodes to run on a single machine? Thanks in advance,
> Cheers Arv

I guess you *could*, but it doesn't seem to me it would make much sense 
in a production environment, since the 2 data nodes running on the 
machine would be competing with each other for CPU usage, network 
bandwidth, etc.


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