Quick Answer: Netflix separates its control plane (AWS) from its data plane (Open Connect). Instead of streaming massive video files directly from AWS data centers, Netflix embeds custom hardware call
Quick Answer: A retry storm occurs when deeply nested microservices independently retry failed downstream requests, causing exponential traffic amplification. If five services in a chain each retry th
When services fail, standard exponential backoff causes retries to sync up, creating a "thundering herd" that repeatedly crashes your servers. Adding "jitter"—a small dose of randomness to your wait t
Storing future events in UTC is a subtle trap. Because governments frequently alter daylight saving rules and time zone boundaries, an absolute UTC timestamp can shift the intended "wall-clock" time o
When your application auto-scales, your database connections can quickly saturate. If your service replica connection pool size multiplied by the number of active replicas exceeds your database's max
Let’s face it: querying a database or hitting a Redis cache just to check if an ID exists is a massive waste of resources when 99% of the time the answer is "no". If you do this millions of times a se
