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kafka: deploy and usage


step 1: 
    clone the latest kafka source code: git clone https://github.com/apache/kafka.git kafka-trunk

step 2: build the source code.
    ./gradlew clean build -x test

step 3: check the bin folder
.

Step 4: start zookeeper


Step 5: verify if the 2181 port is used by zookeeper
    lsof -i:2181

Step 6: start kafka server
    bin/kafka-server-start.sh config/server.properties

Step 7: create topic
    bin/kafka-topics.sh --zookeeper localhost:2181 --create --topic lz1 --partitions 3 --replication-factor 1

Step 8: describe topic
    bin/kafka-topics.sh --zookeeper localhost:2181 --describe --topic lz1



start  9: start he consume 
 ./bin/kafka-console-consumer.sh --topic lz1 --bootstrap-server=localhost:9092

start 10: start the procedure

 ./bin/kafka-console-producer.sh --topic lz1 --bootstrap-server=localhost:9092

the  message we input in producer. 

The message showing in consumer:

Now it is end of kafka usage

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