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Articles tagged with #concurrent
A deep, practical guide on designing versioned command patterns that let automated retries remain safe in the face of concurrent updates. Covers optimistic compare-and-swap, idempotency envelopes, retry policies, distributed versioning, performan...
A practical, deep-dive guide explaining why Java services often slow down after running for hours, how thread-pool saturation produces this pattern, how to detect it with metrics and code, and the concrete fixes and trade-offs engineers should ap...
Practical, production-ready strategies for invalidating derived caches in distributed systems. Focuses on patterns that avoid brittle TTL-only approaches and race-prone heuristics, with Java examples, performance trade-offs, and operational guida...
Practical, in-depth methods for detecting, compensating, and architecting around clock drift in distributed systems. Covers NTP/PTP trade-offs, logical clocks (Lamport, vector, HLC), monotonic timestamp generators, leader-based allocation, failur...
Practical strategies, code patterns, and operational trade-offs to ensure scheduled jobs run exactly once in clustered Spring Boot deployments — with Redis, database locks, ShedLock, Quartz clustering, and Kubernetes leader patterns explained in ...
Practical, in-depth methods to detect and mitigate zombie requests after users close the browser. Covers server-side detection, cancellation strategies in Java (servlets, CompletableFuture, WebSocket), infrastructure controls, performance trade-o...
