An RDD has a certain fixed number of partitions, yes. You can't change an RDD. You can repartition() or coalese() and RDD to make a new one with a different number of RDDs, possibly requiring a shuffle.
On Tue, Mar 3, 2015 at 10:21 AM, Jeff Zhang <zjf...@gmail.com> wrote: > I mean is it possible to change the partition number at runtime. Thanks > > > -- > Best Regards > > Jeff Zhang --------------------------------------------------------------------- To unsubscribe, e-mail: user-unsubscr...@spark.apache.org For additional commands, e-mail: user-h...@spark.apache.org
