问题
Say, I need to do wordcount like processing but for every 5 minutes. So i am using tumbling windows, but in the output what i see is the intermittent changelog counts also. I want to see only the final counts for the window in the output. Is there a way to achieve this.
来源：https://stackoverflow.com/questions/44921281/how-to-write-only-final-output-of-kstreams-windowed-operation