For the last 5 years, Artem has been working on many different projects. His experience includes a number of various areas from designing and developing of high-available REST services to the development of query optimizer in the NoSQL database engine. Fascinated with data processing algorithms and approaches of creating scalable systems.
This is a story about how we struggled to implement strict latency requirements in a service implemented with Scala and Netty. And how we managed to do that.
The most common latency contributors are an in-process locking, thread scheduling, I/O, algorithmic inefficiencies and, of course, garbage collector.
I will share our experience of dealing with the causes. And tell what you can do to prevent them from affecting the production.
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