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 <daniel.bapti...@performgroup.com> 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
