Yes this is fine to do. TTs are not dependent on co-located DNs, but
only benefit if they are.
On Wed, Feb 29, 2012 at 8:14 PM, Daniel Baptista
wrote:
> Forgot to mention that I am using Hadoop 0.20.2
>
> From: Daniel Baptista
> Sent: 29 February 2012 14:44
> To: common-user@hadoop.apache.org
> Subject: TaskTracker without datanode
>
> Hi All,
>
> I was wondering (network traffic considerations aside) is it possible to run
> a TaskTracker without a DataNode. I was hoping to test this method as a means
> of scaling processing power temporarily.
>
> Are there better approaches, I don't (currently) need the additional storage
> that a DataNode provides and I would like to add additional processing power
> from time-to-timewithout worrying about data loss and decommissioning
> DataNodes.
>
> Thanks, Dan.
--
Harsh J