You have a great API with median latency of 5ms, but P99 suddenly spikes to 500ms? Clients complain about periodic freezes? Welcome to the world of Go Garbage Collector and its impact on tail latency.
In this article, we’ll tackle a real problem: how a 10ms GC pause turns into 500ms latency for users, and what to do to keep P99 latency under control.
Continue readingRedis is often perceived only as a cache. But Redis is a full-fledged message broker that in some scenarios works better than RabbitMQ, Kafka, and other specialized solutions.
Let’s figure out when Redis is the right choice, and when it’s better to take something else.
Continue readingHey distributed systems architect! 🚀
Tired of Redis queues losing messages? Fed up with RabbitMQ’s complexity? Need something that just works at scale? Meet NSQ - the message queue that powers Discord, Bitly, and other high-traffic systems.
While others struggle with queue complexity, you’ll learn when NSQ is not just useful, but absolutely perfect for the job.
Continue readingVACUUM is PostgreSQL’s built-in cleanup tool. Let’s break down when to use it and why rushing into it can do more harm than good.
Continue readingHey performance engineer! âš¡
Is your JSON API crawling under load? MessagePack not saving you anymore?
Time to bring out the heavy artillery - binary serialization protocols.
While others debate JSON beauty, you’ll learn when Protobuf is perfect for microservices, and FlatBuffers dominates games and real-time systems.
Continue readingIf you’re a Go developer used to automatic memory management, working with C might feel archaic. But understanding malloc/free is critical for CGO and low-level optimization.
