I think "SPARK_WORKER_INSTANCES" is deprecated.
This should work: "export SPARK_EXECUTOR_INSTANCES=2"
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In spark release 0.7.1, I added support for running multiple worker processes
on a single slave machine. I built it for performance testing multiple
workers on a single machine in standalone mode.
Set the following in conf/spark-env.sh and bounce your cluster :
export SPARK_WORKER_INSTANCES=3
Th
