Github user andrewor14 commented on a diff in the pull request:
https://github.com/apache/spark/pull/704#discussion_r12463962
--- Diff: README.md ---
@@ -39,17 +39,22 @@ And run the following command, which should also return
1000:
## Example Programs
Spark also comes with several sample programs in the `examples` directory.
-To run one of them, use `./bin/run-example <class> <params>`. For example:
+To run one of them, use `./bin/run-example <class> [<params>]`. For
example:
- ./bin/run-example org.apache.spark.examples.SparkLR local[2]
+ ./bin/run-example org.apache.spark.examples.SparkLR
-will run the Logistic Regression example locally on 2 CPUs.
+will run the Logistic Regression example locally.
-Each of the example programs prints usage help if no params are given.
+You can set the MASTER environment variable when running examples to submit
+examples to a cluster. This can be a mesos:// or spark:// URL,
+"yarn-cluster" or "yarn-client" to run on YARN, and "local" to run
+locally with one thread, or "local[N]" to run locally with N thread. You
--- End diff --
N threads
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