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Hadoop >> mail # dev >> Technical question on Capacity Scheduler.

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Technical question on Capacity Scheduler.

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?

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

Harsh J 2013-03-03, 10:41
Jagmohan Chauhan 2013-03-04, 01:47
Jagmohan Chauhan 2013-03-06, 03:33
Harsh J 2013-03-06, 04:55
Jagmohan Chauhan 2013-03-06, 05:02
Jagmohan Chauhan 2013-03-06, 05:02
Arun C Murthy 2013-03-06, 22:17