How to configure "asynchronous replication"

[陈洪海]

Hi Kafka,

                The doc mentioned that “Single producer thread, 3x ASYNChronous 
replication”, how to configure it?  What’s the configuration item?  Or need use 
async produce api to send?

https://engineering.linkedin.com/kafka/benchmarking-apache-kafka-2-million-writes-second-three-cheap-machines

 

Thanks,

 Chen