1582 articles
Cache stampede occurs when a high-traffic cache key expires and hundreds of requests simultaneously hit your database. This guide covers probabilistic early expiry, mutex locking, and background refresh strategies to eliminate thundering herd problems.
Cascade deletes on foreign keys can silently destroy thousands of rows across multiple tables in milliseconds. This guide explains how cascade deletes propagate, how to audit your schema, and safer alternatives like soft deletes and deferred cleanup jobs.
CDN-first architecture separates static asset delivery from dynamic API responses, enabling global low-latency serving without replicating your database worldwide. This guide covers cache control headers, origin shield patterns, and cache invalidation strategies for production CDN setups.
Change Data Capture with Debezium reads PostgreSQL WAL logs and MySQL binlogs to stream every insert, update, and delete to Kafka in real time. This guide covers connector configuration, schema evolution, exactly-once delivery, and production operational patterns.
Chaos engineering systematically injects failures into production systems to discover weaknesses before they cause outages. This guide covers designing experiments, using AWS Fault Injection Service and Chaos Monkey, running game days, and building automated chaos pipelines.