Feedback from Aaron

Author: pwendell

bin/spark-submit

@@ -37,7 +37,7 @@ done
 
 DEPLOY_MODE=${DEPLOY_MODE:-"client"}
 
-if [ ! -z $DRIVER_MEMORY ] && [ ! $DEPLOY_MODE == "cluster" ]; then
+if [ -n "$DRIVER_MEMORY" ] && [ $DEPLOY_MODE == "client" ]; then
   export SPARK_DRIVER_MEMORY=$DRIVER_MEMORY
 fi