Tag: distributed-systems

All the articles with the tag "distributed-systems".

• Kafka Rebalancing Changed. Did Your Consumer Configuration?

  Published:Sep 17, 2026 |  at 06:00 AM

  Kafka 4.0 introduced the GA consumer protocol. Separate broker capability, client opt-in and server-owned settings before migrating a group.

• Kafka Exactly-Once Stops at the Database Boundary

  Published:Sep 17, 2026 |  at 06:00 AM

  Trace the crash between a database write and an offset commit. Kafka transactions protect Kafka effects; external effects need their own replay contract.

• Akka Cluster Sharding vs a Consistent-Hash Ring: What You Trade Away

  Published:Feb 12, 2026 |  at 10:00 AM

  When I built a small distributed cache I reached for Akka Cluster Sharding instead of writing a consistent-hash ring myself. Six months later I think it was the right call — for a learning project. Here is what each choice actually buys you, and where the marketing gloss falls apart.