K8s 中 Pod 资源定义的多少核和操作系统上看到的进程 CPU 使用率如何对应? - V2EX
zhoudaiyu

K8s 中 Pod 资源定义的多少核和操作系统上看到的进程 CPU 使用率如何对应?

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  •   zhoudaiyu
    PRO
    Dec 1, 2022 via iPhone 1544 views
    This topic created in 1267 days ago, the information mentioned may be changed or developed.
    比如有一台 24 物理核心( 48 线程)的 Linux 服务器,某个 Pod 定义了 CPU Limit 是 4 ( 4000m ),那么这个 pod 里的进程在操作系统层面看(如 top 命令),最多就能用到 400%吗(忽略被内核 throttle 的尖峰)?如果有 50 个这样的 Pod 在这台机器跑,且都把 CPU 用到极限,那么每个进程在操作系统层面看,能跑到百分之多少呢?
    Supplement 1    Dec 2, 2022
    大家不要只收藏呀
    1 replies    2022-12-02 11:42:41 +08:00
    dier
        1
    dier  
       Dec 2, 2022
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