How to use multi-thread consumer in kafka 0.9.0?

Question

The doc of kafka give an approach about with following describes:

One Consumer Per Thread:A simple option is to give each thread its own consumer > in

Answer 1

Maybe is not your case, but if you are mergin processing of data of serveral topics, then you can read data from multiple topics with the same consumer. If not, then is preferable to create separate jobs consuming each topic.