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DSE Kafka Stockticks

The goal of this sample is to have a producer generate stock tick data and write to the tick-stream topic and then have a consumer read from the topic and write the tick data to a Cassandra table.

Setup

First start Kafka and add the topic tick-stream following these basic instructions.

Download and start DSE.

Setup the Cassandra schema by running the SchemaSetup class. Note: the keyspace replication settings use SimpleStrategy. Modify as needed.

Running

Create the schema in DSE

mvn clean compile exec:java -Dexec.mainClass=com.datastax.tickdata.utils.SchemaSetup

Start the TickProducer with the desired number of events.

mvn clean compile exec:java -Dexec.mainClass=com.datastax.tickdata.producer.TickProducer

Start the TickConsumer.

mvn clean compile exec:java -Dexec.mainClass=com.datastax.tickdata.consumer.TickConsumer

Verification

You can run the following in cqlsh:

select * from datastax_tickdata_demo.tick_data ;

Reference: Patrick Callaghan's datastax-kafka-example.