Github user witgo commented on a diff in the pull request:
https://github.com/apache/spark/pull/646#discussion_r12507330
--- Diff: conf/spark-env.sh.template ---
@@ -38,6 +38,7 @@
# - SPARK_WORKER_INSTANCES, to set the number of worker processes per node
# - SPARK_WORKER_DIR, to set the working directory of worker processes
# - SPARK_WORKER_OPTS, to set config properties only for the worker (e.g.
"-Dx=y")
+# - SPARK_DRIVER_MEMORY, Memory for driver (e.g. 1000M, 2G) (Default: 512
Mb)
--- End diff --
`./bin/spark-shell --driver-memory 2g` =>
```
/System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home/bin/java
-cp
::/Users/witgo/work/code/java/spark/dist/conf:/Users/witgo/work/code/java/spark/dist/lib/spark-assembly-1.0.0-SNAPSHOT-hadoop0.23.9.jar
-Djava.library.path= -Xms512m -Xmx512m org.apache.spark.deploy.SparkSubmit
spark-internal --driver-memory 2g --class org.apache.spark.repl.Main
```
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