spark.executor.instances is the parameter that you are looking for. Read more here http://spark.apache.org/docs/latest/running-on-yarn.html
On Sun, Jun 19, 2016 at 2:17 AM, Natu Lauchande <nlaucha...@gmail.com> wrote: > Hi, > > I am running some spark loads . I notice that in it only uses one of the > machines(instead of the 3 available) of the cluster. > > Is there any parameter that can be set to force it to use all the cluster. > > I am using AWS EMR with Yarn. > > > Thanks, > Natu > > > > > > > -- Cheers!