Is yarn.scheduler.maximum-allocation-vcores the setting for max vcores per container?
Whats the setting for max limit of --num-executors ? On Tue, Jul 14, 2015 at 11:18 PM, Marcelo Vanzin <van...@cloudera.com> wrote: > On Tue, Jul 14, 2015 at 10:40 AM, Shushant Arora < > shushantaror...@gmail.com> wrote: > >> My understanding was --executor-cores(5 here) are maximum concurrent >> tasks possible in an executor and --num-executors (10 here)are no of >> executors or containers demanded by Application master/Spark driver program >> to yarn RM. >> > > --executor-cores requests cores from YARN. YARN is a resource manager, and > you're requesting more resources than it has available, so it denies your > request. If you want to make more than 4 cores available in your NMs, you > need to change YARN's configuration. > > -- > Marcelo >