1. Lecture 21 – Kafka & Kafka Streams
11/27/2017
Weds: Project / Lab discussions & quiz review

2. Sample producer code producer = new Producer(...);
message = new Message(“test message str”.getBytes());
set = new MessageSet(message);
producer.send(“topic1”, set);

3. Sample consumer code
streams[] = Consumer.createMessageStreams(“topic1”, 1)
for (message : streams[0]) {
bytes = message.payload(); // do something with the bytes }

4. Kafka Architecture

5. Kafka log Structure for a partition of a topic

6. With and Without Kafka Streams