Yes, both things can happen. Take a look at http://spark.apache.org/docs/latest/job-scheduling.html, which includes scheduling concurrent jobs within the same driver.
Matei On Apr 15, 2014, at 4:08 PM, Ian Ferreira <ianferre...@hotmail.com> wrote: > What is the support for multi-tenancy in Spark. > > I assume more than one driver can share the same cluster, but can a driver > run two jobs in parallel? >
