increase resultset size for item similarity spark job

Author: ukclivecox

docker/seldon-control/seldon.conf.in

@@ -232,7 +232,7 @@
                         "--driver-memory",
                         "%SPARK_DRIVER_MEMORY%",
 			"--conf",
-			"spark.driver.maxResultSize=3g",
+			"spark.driver.maxResultSize=10g",
                         "--master",
                         "spark://spark-master:7077",
                         "%SELDON_SPARK_HOME%/seldon-spark-%SELDON_VERSION%-jar-with-dependencies.jar",