http://www.jasongj.com/2015/01/02/Kafka%E6%B7%B1%E5%BA%A6%E8%A7%A3%E6%9E%90/
http://www.jasongj.com/2015/03/10/KafkaColumn1/
http://www.jasongj.com/2015/04/24/KafkaColumn2/
http://www.jasongj.com/2015/06/08/KafkaColumn3/
http://www.jasongj.com/2015/08/09/KafkaColumn4/
http://www.jasongj.com/2015/12/31/KafkaColumn5_kafka_benchmark/
http://lxw1234.com/archives/2015/11/571.htm
http://my.oschina.net/itblog/blog/540918
http://blog.cloudera.com/blog/2014/09/apache-kafka-for-beginners/
http://www.benniehaelen.com/hadoop/using-apache-kafka/
https://dzone.com/articles/kafka-clients-at-most-once-at-least-once-exactly-o
https://medium.com/@ajmalbabu/kafka-0-9-0-clients-db1f43257d30#.kimer9o9m