diff options
Diffstat (limited to 'examples')
-rw-r--r-- | examples/src/main/scala/spark/streaming/examples/ZeroMQWordCount.scala | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/examples/src/main/scala/spark/streaming/examples/ZeroMQWordCount.scala b/examples/src/main/scala/spark/streaming/examples/ZeroMQWordCount.scala index ab7b67ed4b..5ed9b7cb76 100644 --- a/examples/src/main/scala/spark/streaming/examples/ZeroMQWordCount.scala +++ b/examples/src/main/scala/spark/streaming/examples/ZeroMQWordCount.scala @@ -35,20 +35,23 @@ object SimpleZeroMQPublisher { /** * A sample wordcount with ZeroMQStream stream * - * Usage: WordCountZeroMQ <master> <zeroMQurl> <topic> + * To work with zeroMQ, some native libraries have to be installed. + * Install zeroMQ (release 2.1) core libraries. [ZeroMQ Install guide](http://www.zeromq.org/intro:get-the-software) + * + * Usage: ZeroMQWordCount <master> <zeroMQurl> <topic> * In local mode, <master> should be 'local[n]' with n > 1 * <zeroMQurl> and <topic> describe where zeroMq publisher is running. * * To run this example locally, you may run publisher as * `$ ./run spark.streaming.examples.SimpleZeroMQPublisher tcp://127.0.1.1:1234 foo.bar` - * and then run the example + * and run the example as * `$ ./run spark.streaming.examples.ZeroMQWordCount local[2] tcp://127.0.1.1:1234 foo` */ object ZeroMQWordCount { def main(args: Array[String]) { if (args.length < 3) { System.err.println( - "Usage: WordCountZeroMQ <master> <zeroMQurl> <topic>" + + "Usage: ZeroMQWordCount <master> <zeroMQurl> <topic>" + "In local mode, <master> should be 'local[n]' with n > 1") System.exit(1) } |