The reserved cores are to prevent starvation so that user B cam run jobs when user A's job is already running and using almost all of the cluster. You can change your scheduler configuration to use more cores.
Regards Sab On 13-Nov-2015 6:56 pm, "Parin Choganwala" <pa...@7parkdata.com> wrote: > EMR 4.1.0 + Spark 1.5.0 + YARN Resource Allocation > > http://stackoverflow.com/q/33488869/1366507?sem=2 >
