Memory compression is activated by default. You can use Advanced System Settings in the vSphere Client to activate or deactivate memory compression for a host.
- Browse to the host in the vSphere Client.
- Click Configure.
- Under System, select Advanced System Settings.
- Locate Mem.MemZipEnable and click the Edit button.
- Enter 1 to activate or enter 0 to deactivate the memory compression cache.
- Click OK.