Designing Circuit Breakers for Distributed Services
Learn how to stop cascading failures with circuit breakers that open on real dependency pain, probe recovery safely, and expose clear fallbacks.
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Systems, tools, and trade-offs.
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Designing Bulkheads for Resilient Services
Learn how to isolate service capacity with bulkheads so one slow dependency, tenant, queue, or feature cannot exhaust the whole system.
Designing Load Shedding and Backpressure for APIs
Learn how to protect APIs during overload with admission control, bounded queues, backpressure signals, and clear degradation rules.
Designing Retry Strategies with Backoff and Jitter
Learn how to retry transient failures without amplifying outages by combining timeouts, backoff, jitter, budgets, and observability.
Graceful Shutdown for Node.js Services
Learn how to drain HTTP requests, stop background work, close dependencies, and make Node.js deployments terminate safely.
Optimistic Concurrency Control for APIs and Databases
Learn how to prevent lost updates with version columns, ETags, compare-and-swap writes, and useful conflict responses.
Practical API Rate Limiting with Token Buckets
Learn how to design token-bucket API rate limits that protect services without punishing normal users.
Zero-Downtime Database Migrations with Expand and Contract
Learn how to ship database schema changes safely with expand-contract migrations, batched backfills, compatible application deploys, and clear rollback points.
Implementing the Transactional Outbox Pattern for Reliable Events
Learn how the transactional outbox pattern keeps database writes and event publication consistent without distributed transactions.