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cgroup_leak_fix's Introduction

README

前提:kubelet已经关闭kmem accounting

build

sh build.sh 会生成可执行文件cgroup_fix

cgroup_fix执行的动作

  1. 停止kubelet
  2. 打开task migration 开关(虽然kernel doc上说打开目标的task migration即可，我们都打开）
  3. 创建新的group /sys/fs/cgroup/memory/kubepods2
  4. 将/sys/fs/cgroup/memory/kubepods下的子group对应的memory.limit_in_bytes和tasks 迁移到新的/sys/fs/cgroup/memory/kubepods2
  5. 迁移过程中逐步删除各个子group, 直到/sys/fs/cgroup/memory/kubepods被删除，重新创建/sys/fs/cgroup/memory/kubepods
  6. 将/sys/fs/cgroup/memory/kubepods2的子group迁移回/sys/fs/cgroup/memory/kubepods
  7. 启动kubelet
  8. 重启cadvisor

cgroup_leak_fix's People

Contributors

kongfei605 avatar

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