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  1. Aug 29, 2023
    • Florian Sesser's avatar
      We want to swap in emergency situations so we have some time to recover · 03ebe372
      Florian Sesser authored
      On never kernels, a swappiness of 0 means "disable swap completely"
      where it would before ~ 2.6.32 would still allow the kernel to swap
      in certain emergency situations.
      
      We have alerting in place in case of any swapping, hoping we can react
      quickly enough to catch problems of runaway machines before they have
      to haywire OOM or reboot.
      
      Command: `rg -l swappiness | xargs sed -i 's/swappiness" = 0/swappiness" = 1/'`
      (but not adding the change to the virtual hardware for the local grid).
      03ebe372
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