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How to prevent race conditions in backend systems by naming the invariant, moving correctness to durable boundaries, and testing overlapping requests, retries, and jobs.
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How to implement the transactional outbox pattern for reliable event publishing, including schema design, relay claiming, retries, duplicate handling, ordering, CDC, monitoring, and cleanup.- Published on
How to run background jobs safely in production with replay-safe handlers, bounded retries, dead-letter triage, visibility timeouts, queue dashboards, and business-level correctness checks.- Published on
How to design API idempotency keys for retries, duplicate POST requests, payload mismatch, TTL, in-progress requests, and safe response replay.- Published on
How to use rate limiting, backpressure, and load shedding to keep microservices inside safe capacity, with failure timelines, TypeScript admission controls, queue policies, rollout steps, and production metrics.