容量规划 on Jeanphilo Bloghttps://shio-chan-dev.github.io/jeanblog/zh/tags/%E5%AE%B9%E9%87%8F%E8%A7%84%E5%88%92/Recent content in 容量规划 on Jeanphilo BlogHugo -- 0.159.2zh-cnSat, 24 Jan 2026 12:25:49 +0800横向扩展 vs 纵向扩展：区别、场景与取舍https://shio-chan-dev.github.io/jeanblog/zh/dev/architecture/scale-up-vs-scale-out/Sat, 24 Jan 2026 12:25:49 +0800https://shio-chan-dev.github.io/jeanblog/zh/dev/architecture/scale-up-vs-scale-out/解释 scale up 与 scale out 的差异、适用场景与成本模型。性能与可扩展性的关系：别把快当成能扩https://shio-chan-dev.github.io/jeanblog/zh/dev/architecture/performance-vs-scalability/Sat, 24 Jan 2026 12:25:49 +0800https://shio-chan-dev.github.io/jeanblog/zh/dev/architecture/performance-vs-scalability/解释性能与可扩展性的差异与关系，并给出架构决策与指标建议。缓存大小如何确定：命中率、成本与稳定性https://shio-chan-dev.github.io/jeanblog/zh/dev/system/cache-sizing-principles/Sat, 24 Jan 2026 11:06:00 +0800https://shio-chan-dev.github.io/jeanblog/zh/dev/system/cache-sizing-principles/从命中率、成本与一致性风险出发，给出缓存大小的工程化确定方法与示例。