[infinispan-dev] Map Reduce 2.0

[Manik Surtani]

On 20 Feb 2012, at 20:20, Vladimir Blagojevic wrote:

> On 12-02-20 4:15 PM, Manik Surtani wrote:
>> 
>> Well, if you assign a set of tasks to specific nodes based on a consistent hash, the topology then changes, you'd lose the information on where you sent specific tasks.
>> 
> True, but do we need to care about that? If a task fails due to node going down we just need to detect such occurrence and migrate a task to a back up node!

Yes.  As long as you have taken this into account in your design.

--
Manik Surtani
manik at jboss.org
twitter.com/maniksurtani

Lead, Infinispan
http://www.infinispan.org