System design, AI engineering, databases, networking, concurrency and more, written for engineers building real trading and fintech systems — part of the Algomi Suite.
Follow one night in a busy sorting office to learn how Kafka stores and replicates messages, what acks and ISR really guarantee, delivery semantics, rebalancing, lag, poison pills, dead-letter queues, and retries with backoff and jitter.
Created 2026-09-29 · Updated 2026-10-15 · System Design
What log compaction actually does inside a Kafka broker: dirty and clean sections, the cleaner's offset map, tombstones and delete.retention.ms, the settings that decide when a record really disappears, and the three interview questions that trip people up.
Created 2026-10-15 · Updated 2026-10-15 · System Design
