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HighConcurrency

3 articles · Page 1 of 1
Ray's Galactic Tech
Ray's Galactic Tech
Aug 17, 2026 · Backend Development

From DB Row Locks to Redis + Lua: Evolving Flash‑Sale Inventory Deduction

The article walks through the evolution of a flash‑sale inventory‑deduction system, starting with simple database row‑locking SQL, exposing its scalability limits, and progressively adding transaction trimming, Redis pre‑deduction, Lua atomic scripts, async pipelines, idempotency, reconciliation and robust engineering practices to handle extreme concurrency.

AsyncProcessingHighConcurrencyIdempotency
0 likes · 40 min read
From DB Row Locks to Redis + Lua: Evolving Flash‑Sale Inventory Deduction
Cloud Architecture
Cloud Architecture
Apr 1, 2026 · Cloud Native

CrashLoopBackOff Firefighting: Self‑Healing for High‑Concurrency Kubernetes

CrashLoopBackOff is not merely a restart alert but a system‑level signal indicating mismatches among containers, probes, resources, and deployment strategies; the guide dissects its root causes in high‑concurrency environments, presents a six‑category failure taxonomy, and offers a step‑by‑step, observable, self‑healing remediation framework from probing to platform‑wide auto‑rollback.

CrashLoopBackOffHighConcurrencyKubernetes
0 likes · 28 min read
CrashLoopBackOff Firefighting: Self‑Healing for High‑Concurrency Kubernetes