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Diffstat (limited to 'README.md')
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@@ -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 threads. You +can also use an abbreviated class name if the class is in the `examples` +package. For instance: -All of the Spark samples take a `<master>` parameter that is the cluster URL -to connect to. This can be a mesos:// or spark:// URL, or "local" to run -locally with one thread, or "local[N]" to run locally with N threads. + MASTER=spark://host:7077 ./bin/run-example SparkPi + +Many of the example programs print usage help if no params are given. ## Running Tests |