Configuration for low latency and low cpu utilization? java/librdkafka

Use case scenario: We want to have a fairly low latency, say below 20 ms, and we want to be able to run a few hundred processes (on one machine) both producing and consuming a handful of topics. The throughput is not high, lets say on average 10 messages per second for each process. Most messages a

Expected client producer/consumer CPU utilization when idle

your producer/consumer processes when they are not really under load. Just so I can conclude if our program behaves as expected or if we have any configuration or environment issues Thanks Niklas Ström