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From Allen Wittenauer <awittena...@linkedin.com>
Subject Re: Scheduler in Hadoop MR
Date Wed, 08 Dec 2010 22:36:32 GMT

On Dec 7, 2010, at 6:47 PM, Harsh J wrote:
>> 1 - When we've two JobTrackers running simultaneously, each JobTracker is
>> running in a separate process?
> 
> You can't run simultaneous JobTrackers for the same data-cluster
> AFAIK; only one JT process can exist. Did you mean jobs?

	Sure you can.

	Configure the task trackers to talk to specific job trackers.   This does, however, have
a very negative impact on data locality.


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