One Thread to Poll Them All: How a Single Pipe Made WaterDrop 50% Faster

27-Feb-2026 337
One polling thread, 25 producers, 50% faster. Learn how WaterDrop replaced per-thread rd_kafka_poll with file descriptor-based IO.select multiplexing.
Use coupon code:

RUBYONRAILS

to get 30% discount on our bundle!
Prepare for your next tech interview with our comprehensive collection of programming interview guides. Covering JavaScript, Ruby on Rails, React, and Python, these highly-rated books offer thousands of essential questions and answers to boost your interview success. Buy our 'Ultimate Job Interview Preparation eBook Bundle' featuring 2200+ questions across multiple languages. Ultimate Job Interview Preparation eBook Bundle