Immortal Keys: The Rate Limiter That Never Reset
A fixed-window rate limiter where INCR could recreate an expired key without a TTL, permanently locking users out.
Posts tagged debugging
KafkaJS: Why Your Offset Commits Take Exactly Five Seconds
A 2:30 AM deep dive into KafkaJS offset commit latency and the technical workaround for bypassing its internal five-second transitive consumer delay.