Why aren't the vm.swappiness setting persistent across reboot even after mentioning explicitly in /etc/sysctl.conf file?

Solution Verified - Updated -

Issue

  • vm.swappiness value changes after reboot even though setting explicitly in /etc/sysctl.conf
  • vm.swappiness in /etc/sysctl.conf not taking affect after reboot
  • Why aren't the vm.swappiness setting persistent across reboot even after mentioning explicitly in /etc/sysctl.conf file?

Environment

  • Red Hat Enterprise Linux 7

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