Bemchmarks for KTable Joins and Queries

I was wonderinf if anyone had or knew of benchmark tests for KTable or GlobalKTable queries/joins, as compared to alternatives such as distributed databases.

kafka 0.9.0 is busy waiting when no message available

Hi Kafka experts I'm using kafka 0.9.0. I made sure that Fetch.MinBytes(fetch.min.bytes) is set to be 1 and Fetch.MaxWaitTime (fetch.wait.max.ms) is set to be 250 ms. There are no messages in the topic but client (I tried golang client `sarama-cluster` and `bin/kafka-console-consumer.sh`) keeps fe