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SPARK-3639 | Removed settings master in examples #2536

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SPARK-3639 | Removed settings master in examples #2536

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SPARK-3639 | Removed settings master in examples
aniketbhatnagar Sep 25, 2014
fec8ead
SPARK-3639 | Removed settings master in examples
aniketbhatnagar Sep 25, 2014
c9723ac
Merge remote-tracking branch 'origin/Kinesis-Examples-Master-Unset' i…
aniketbhatnagar Sep 26, 2014
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9 changes: 4 additions & 5 deletions ...inesis-asl/src/main/java/org/apache/spark/examples/streaming/JavaKinesisWordCountASL.java
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Original file line number Diff line number Diff line change
Expand Up @@ -71,6 +71,9 @@
* org.apache.spark.examples.streaming.JavaKinesisWordCountASL mySparkStream \
* https://kinesis.us-east-1.amazonaws.com
*
* Note that number of workers/threads should be 1 more than the number of receivers.
* This leaves one thread available for actually processing the data.
*
* There is a companion helper class called KinesisWordCountProducerASL which puts dummy data
* onto the Kinesis stream.
* Usage instructions for KinesisWordCountProducerASL are provided in the class definition.
Expand Down Expand Up @@ -114,12 +117,8 @@ public static void main(String[] args) {
/* In this example, we're going to create 1 Kinesis Worker/Receiver/DStream for each shard */
int numStreams = numShards;

/* Must add 1 more thread than the number of receivers or the output won't show properly from the driver */
int numSparkThreads = numStreams + 1;

/* Setup the Spark config. */
SparkConf sparkConfig = new SparkConf().setAppName("KinesisWordCount").setMaster(
"local[" + numSparkThreads + "]");
SparkConf sparkConfig = new SparkConf().setAppName("KinesisWordCount");

/* Kinesis checkpoint interval. Same as batchInterval for this example. */
Duration checkpointInterval = batchInterval;
Expand Down
14 changes: 6 additions & 8 deletions .../kinesis-asl/src/main/scala/org/apache/spark/examples/streaming/KinesisWordCountASL.scala
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Expand Up @@ -65,6 +65,10 @@ import org.apache.log4j.Level
* org.apache.spark.examples.streaming.KinesisWordCountASL mySparkStream \
* https://kinesis.us-east-1.amazonaws.com
*
*
* Note that number of workers/threads should be 1 more than the number of receivers.
* This leaves one thread available for actually processing the data.
*
* There is a companion helper class below called KinesisWordCountProducerASL which puts
* dummy data onto the Kinesis stream.
* Usage instructions for KinesisWordCountProducerASL are provided in that class definition.
Expand Down Expand Up @@ -97,17 +101,11 @@ private object KinesisWordCountASL extends Logging {
/* In this example, we're going to create 1 Kinesis Worker/Receiver/DStream for each shard. */
val numStreams = numShards

/*
* numSparkThreads should be 1 more thread than the number of receivers.
* This leaves one thread available for actually processing the data.
*/
val numSparkThreads = numStreams + 1


/* Setup the and SparkConfig and StreamingContext */
/* Spark Streaming batch interval */
val batchInterval = Milliseconds(2000)
val batchInterval = Milliseconds(2000)
val sparkConfig = new SparkConf().setAppName("KinesisWordCount")
.setMaster(s"local[$numSparkThreads]")
val ssc = new StreamingContext(sparkConfig, batchInterval)

/* Kinesis checkpoint interval. Same as batchInterval for this example. */
Expand Down