#distributed-systems

4 posts

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  WebSocket Horizontal Scaling: Presence, Fan-out, and State Synchronization

  Scaling WebSocket systems horizontally with practical strategies for node sync, sticky sessions, and message distribution.

  May 29, 2026Backend#backend#websocket#scaling#realtime#distributed-systems
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  Redis Pub/Sub vs Kafka: Which Model Fits Backend Eventing?

  A practical Redis Pub/Sub vs Kafka comparison for backend teams: delivery guarantees, ordering, replay, backpressure, operational cost, and production decision criteria.

  May 28, 2026Backend#backend#redis#kafka#pub-sub#event-driven#distributed-systems
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  Idempotency Keys and the Exactly-Once Myth in Distributed Systems

  How to design idempotent write APIs, prevent duplicate side effects, and avoid exactly-once assumptions in real production traffic.

  April 12, 2026Distributed Systems#idempotency#distributed-systems#api-design#reliability#payments
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  Durable Workflow Orchestration with Temporal

  How Temporal helps backend teams build reliable long-running workflows with retries, timeouts, compensation logic, and strong observability.

  April 11, 2026Backend#temporal#workflow#distributed-systems#backend#reliability