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Hadoop, mail # dev - Technical question on Capacity Scheduler.


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Technical question on Capacity Scheduler.
Jagmohan Chauhan 2013-03-03, 08:11
Hi

I am going through the Capacity Scheduler implementation. There is one
thing i did not understand clearly.
1. Does the o ff-switch task refers to a task in which data has to be
fetched over the network. It means its not node-local ?
2. Does off-switch task  includes only the tasks for which map input has to
be fetched from a node on a different rack across the switch or it also
includes task where data has to be fetched from another node on same rack
on same switch?

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Thanks and Regards
Jagmohan Chauhan
MSc student,CS
Univ. of Saskatchewan
IEEE Graduate Student Member

http://homepage.usask.ca/~jac735/
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Harsh J 2013-03-03, 10:41
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Jagmohan Chauhan 2013-03-04, 01:47
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Jagmohan Chauhan 2013-03-06, 03:33
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Harsh J 2013-03-06, 04:55
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Jagmohan Chauhan 2013-03-06, 05:02
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Jagmohan Chauhan 2013-03-06, 05:02
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Arun C Murthy 2013-03-06, 22:17