Did you try to define the spark.executor.memory property to the amount of memory you want per worker?
For example spark.executor.memory=2g http://spark.incubator.apache.org/docs/latest/configuration.html 2014/1/2 Archit Thakur <archit279tha...@gmail.com> > Need not mention Workers could be seen on the UI. > > > On Thu, Jan 2, 2014 at 5:01 PM, Archit Thakur > <archit279tha...@gmail.com>wrote: > >> Hi, >> >> I have some 5G of data. distributed in some 597 sequence files. My >> application does a flatmap on the union of all rdd's created from >> individual files. The flatmap statement throws java.lang.stackOverflowError >> with the default stack size. I increased the stack size to 1g (both system >> and jvm). Now, it has started printing "Initial job has not accepted any >> resources; check your cluster UI to ensure that workers are registered and >> have sufficient memory" and is not moving forward. Just printing it in the >> continuous loop. Any ideas? Or suggestions would help. Archit. >> >> -Thx. >> > >