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<h2 title="Class KinesisWordCountASL" class="title">Class KinesisWordCountASL</h2>
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<pre>public class <span class="strong">KinesisWordCountASL</span>
extends java.lang.Object
implements <a href="../../../../../org/apache/spark/Logging.html" title="interface in org.apache.spark">Logging</a></pre>
<div class="block">Consumes messages from a Amazon Kinesis streams and does wordcount.
<p>
This example spins up 1 Kinesis Receiver per shard for the given stream.
It then starts pulling from the last checkpointed sequence number of the given stream.
<p>
Usage: KinesisWordCountASL <app-name> <stream-name> <endpoint-url> <region-name>
<app-name> is the name of the consumer app, used to track the read data in DynamoDB
<stream-name> name of the Kinesis stream (ie. mySparkStream)
<endpoint-url> endpoint of the Kinesis service
(e.g. https://kinesis.us-east-1.amazonaws.com)
<p>
Example:
# export AWS keys if necessary
$ export AWS_ACCESS_KEY_ID=<your-access-key>
$ export AWS_SECRET_KEY=<your-secret-key>
<p>
# run the example
$ SPARK_HOME/bin/run-example streaming.KinesisWordCountASL myAppName mySparkStream \
https://kinesis.us-east-1.amazonaws.com
<p>
There is a companion helper class called KinesisWordProducerASL which puts dummy data
onto the Kinesis stream.
<p>
This code uses the DefaultAWSCredentialsProviderChain to find credentials
in the following order:
Environment Variables - AWS_ACCESS_KEY_ID and AWS_SECRET_KEY
Java System Properties - aws.accessKeyId and aws.secretKey
Credential profiles file - default location (~/.aws/credentials) shared by all AWS SDKs
Instance profile credentials - delivered through the Amazon EC2 metadata service
For more information, see
http://docs.aws.amazon.com/AWSSdkDocsJava/latest/DeveloperGuide/credentials.html
<p>
See http://spark.apache.org/docs/latest/streaming-kinesis-integration.html for more details on
the Kinesis Spark Streaming integration.</div>
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<td class="colFirst"><code>static void</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/spark/examples/streaming/KinesisWordCountASL.html#main(java.lang.String[])">main</a></strong>(java.lang.String[] args)</code> </td>
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