Bad performance after upgrading to Linux Mint 20 (Ubuntu 20.04 based). Solved by disabling transparent hugepage in kernel.
The grub approach survives a restart:
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# sudo vi /etc/default/grub |
Find and replace GRUB_CMDLINE_LINUX line to:
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GRUB_CMDLINE_LINUX="transparent_hugepage=never" |
Update grub and reboot:
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# sudo update-grub |
Updated Oct 4, 2021: if using Windows guest, also use OpenGL render to avoid high CPU usage. Edit *.vmx file and add:
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mks.enableMTLRenderer = "FALSE" mks.enableGLRenderer = "TRUE" |