HI, I need to use thread functionality to run more than one mapper class parallelly.
Please suggest with some sample code. Thanks in advance. On Fri, Dec 6, 2013 at 4:37 PM, Subroto <[email protected]> wrote: > Hi Ranjini, > > The number of mappers depend on InputSplits and which intern depends on > size of input data. > The number of reducers can be configured by "mapred.reduce.tasks" > > Further you can get more information on numbers of Maps and Reduce for a > Job from: > http://wiki.apache.org/hadoop/HowManyMapsAndReduces > > Running parallel mappers and reducers depends on availability of map and > reduce slots in the cluster. > > Cheers, > Subroto Sanyal > > On Dec 6, 2013, at 12:00 PM, Ranjini Rathinam wrote: > > HI, > > How to run more than one mapper and reduce parallelly.? > > Please suggest.Thanks in advance. > > Ranjini. > > >
