nO of map tasks is determined by number of input splits.you can change the NUM Of map tasks by changing the input split size
But you can set to num of reducertasks explicitly On 21 Jan 2014 20:25, "xeon" <xeonmailingl...@gmail.com> wrote: > Hi, > > I want to set the number of map tasks in the Wordcount example. Is is > possible to set this variable in MRv2? > > Thanks, >
