Cuthbert's Blog https://cxhello.top/blog Hi there, I am Cuthbert, a software engineer. zh-cn caixiaohuichn@gmail.com (Cuthbert) caixiaohuichn@gmail.com (Cuthbert) Tue, 20 Oct 2026 00:00:00 GMT https://cxhello.top/blog/2026-10-20-cgroup-v2-runtime-container-awareness K8s 切到 cgroup v2 之后，JVM 以为自己有 64 核 https://cxhello.top/blog/2026-10-20-cgroup-v2-runtime-container-awareness 换了个基础镜像，Pod 恰好落到新节点，JVM 开出 43 个 GC 线程和 30G 的堆——容器只给了 4 核 8G。 Tue, 20 Oct 2026 00:00:00 GMT caixiaohuichn@gmail.com (Cuthbert) KubernetesJavacgrouptroubleshooting