Alibaba Cloud Developer

Jun 28, 2024 · Databases

Why Does CPU Spike During Load Tests? Uncovering Hidden DB Row‑Read Bottlenecks

During a load‑test where QPS and TPS appear normal, the CPU usage climbs unexpectedly, leading to a step‑by‑step investigation that reveals excessive row reads caused by accumulating task records, and presents practical fixes and deeper insights into database read behavior.