#messaging

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Posts

The Outbox Pattern: Solving the Dual-Write Problem

Every microservice eventually hits the dual-write trap. The outbox pattern is the right fix — but it moves complexity from your application code into your infrastructure.

Jun 30, 2026system-designmicroservicesdistributed-systems

PostHog's Architecture: What Kafka, ClickHouse, and Feature Flags Teach You

Skip the product pitch. PostHog is worth studying for its ingestion pipeline and its feature-flag latency fix — two patterns worth stealing whether or not you ever touch the product.

Jul 6, 2026system-designdistributed-systemsmessaging