Yes bill.. Its the best effort. Sometimes you may see the rack-local tasks as well when the local nodemanager is busy for sometime. In worst case it would be even off-rack also.
-Regards, Vinay On Feb 3, 2015 11:38 AM, "Bill Hastings" <[email protected]> wrote: > Are mappers always assigned to data nodes that contain the data? Or is > this best effort? Will there ever be a situation where mappers are > assigned to a data node where the data is not locally present? > > Regards > Bill >
