Counter on Tony Baihttps://tonybai.com/tags/counter/Recent content in Counter on Tony BaiHugozh-cn2004-2026 Tony Bai. 版权所有.Tue, 26 Aug 2025 00:00:00 +0800告别性能猜谜：一份Go并发操作的成本层级清单https://tonybai.com/2025/08/26/go-concurrency-cost-hierarchy/Tue, 26 Aug 2025 00:00:00 +0800https://tonybai.com/2025/08/26/go-concurrency-cost-hierarchy/本文永久链接 – https://tonybai.com/2025/08/26/go-concurrency-cost-hierarchy 大家好，我是Tony Bai。 Go语言的并发模型以其简洁直观著称，但这种简单性背后，隐藏着一个跨越五个数量级的巨大性能鸿沟。当你的高并发服务遭遇性能瓶颈时，你是否也曾陷入“性能猜谜”的困境：是sync.Mutex太慢？是atomic操作不够快？还是某个cha...聊聊Prometheus Gauge的增减操作实现https://tonybai.com/2023/01/10/how-prometheus-gauge-add-and-sub/Tue, 10 Jan 2023 00:00:00 +0800https://tonybai.com/2023/01/10/how-prometheus-gauge-add-and-sub/本文永久链接 – https://tonybai.com/2023/01/10/how-prometheus-gauge-add-and-sub 1\. Gauge是啥？ 熟悉Prometheus的小伙伴们都知道Prometheus提供了四大指标类型： * Counter * Gauge * Histogram * Summary Histogram和Summary是一类，但理解起来稍复杂一些，这...