Turning the VPS-Optimized Mode on
If you deploy Parallels Plesk Panel into VPSes other than Virtuozzo-based (Parallels Virtuozzo Containers or OpenVZ containers), consider switching the Panel to a special mode of operation - optimized for virtual environments. The mode switches off modules that are not critical for hosting services. This makes the Panel use less memory than other control panels available on the market, which ensures better utilization of hardware resources and increased density of virtual environments per server.
* During the installation, the Panel requires more RAM than it utilizes in the VPS-optimized mode.
* Since Parallels Premium Antivirus and Spamassassin are memory-consuming applications, it is not recommended to install them if you require a high VPS density.
* It is not possible to turn the VPS-optimized mode on if Customer and Business Manager is installed.
Important: The VPS-optimized mode can be turned on only before the Panel initialization (aka initial configuration).
To turn the VPS-optimized mode on, run the following command:
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