What parallel value should I set for Akka Kafka consumer when we scale out more Kubernetes pods?

[sshtel (Seunghwa (Steve) Song)]

I referred to this discussion to understand thread pool of Kafka consumer group of Akka cluster

Akka kafka consumer parallel processing

Hi, I’m working on a Kafka consumer application using Akka Kafka connector. I would like to consumer to process messages parallelly. which consumer group should I use https://doc.akka.io/docs/alpakka-kafka/current/consumer.html? how can I configure the parallelism on the consumer side?