Github user rxin commented on a diff in the pull request:
https://github.com/apache/spark/pull/1253#discussion_r15214491
--- Diff: docs/configuration.md ---
@@ -42,13 +42,14 @@ val sc = new SparkContext(new SparkConf())
Then, you can supply configuration values at runtime:
{% highlight bash %}
-./bin/spark-submit --name "My fancy app" --master local[4] myApp.jar
+./bin/spark-submit --name "My app" --master local[4] myApp.jar --conf
spark.shuffle.spill=false
{% endhighlight %}
The Spark shell and
[`spark-submit`](cluster-overview.html#launching-applications-with-spark-submit)
tool support two ways to load configurations dynamically. The first are
command line options,
-such as `--master`, as shown above. Running `./bin/spark-submit --help`
will show the entire list
-of options.
+such as `--master`, as shown above. `spark-submit` can accept any Spark
property using the `--conf`
+flag, but uses special flags for properties that play a part in launching
the Spark application.
+Running `./bin/spark-submit --help` will show the entire list of these
options.
--- End diff --
can we also make spark-submit without any options print the help? (maybe
you are already doing that)
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