性能优化规范:CPU、内存、GC 与网络
性能退化的直接证据是指标变化:例如 p99 从 80ms 升至 400ms,或 GC 占用两三成 CPU。本文给出 Go 服务端性能优化规范:先测量定位,再依据 profile 选择修复手段,依次覆盖内存分配、sync.Pool、GC 调优、CPU 热点、I/O 与网络、缓存。
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Quote of the day · October 26 · 关于意义 · Rick and Morty
Nobody exists on purpose. Nobody belongs anywhere. Everybody's gonna die. Come watch TV?
Notes on Agent runtimes — design decisions laid open: why it is this way, what it costs, and when it stops being true.