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From Arun C Murthy <...@hortonworks.com>
Subject Re: Adding Elasticity to Hadoop MapReduce
Date Mon, 19 Sep 2011 19:46:54 GMT

On Sep 15, 2011, at 2:26 AM, Steve Loughran wrote:
> These are all good ideas. The other trick -which has been discussed recently in the context
of the Platform Scheduler- is to run HDFS across all nodes, but switch the workload of the
cluster between Hadoop jobs (MR, Graph, Hamster), and other work (Grid jobs). That way the
filesystem is just a very large FS for anything. If some grid jobs don't use the HDFS, the
nodes can still serve up their data.

Or, one can port other work to run on MR2 ;)

Arun
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