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RHEL 7 和 RHEL 8 内核之间 swap 行为的变化

Solution In Progress - Updated -

Issue

  • 即使 swappiness 较低，且在页缓存中有大量可用内存，也会出现 swap 使用的情况，。
  • vm.swappiness 被正确配置，且 cgroup swappiness 问题 已被解决

Environment

  • RHEL 8+

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