If you deploy Parallels Plesk Panel in Parallels Virtuozzo Containers for Linux, consider switching the Panel to a special mode of operation - optimized for virtual environments. The mode switches off InnoDB engine in MySQL database server, and Apache web server 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.
The only disadvantages of using the optimized mode are as follows:
Note: The optimized mode can be switched on only on the Panel clean installations, it is not applicable to the Panel installations upgraded from earlier versions.
To switch to the VPS-optimized mode:
Install the pp10. EZ template. The template applies the necessary configuration.1.0-vps-optimized
Important: The optimized mode can only be enabled on fresh installations of the Panel which have not yet been initialized, or, in other words, have not undergone the initial configuration.
If you need to switch the Panel back to the normal mode of operation, perform the following steps:
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/etc/my.cnf.skip-innodb and remove them, or comment them out. On Debian Linux, use the a2enmod utility to switch on all required modules. For example, if you want to switch on the PHP module, issue the following command:
a2enmod php5
On other distributions of Linux, edit the main Apache configuration file, which, in most Linux installations, is located in /etc/httpd/conf/.
/etc/httpd/conf/httpd.conf.LoadModule <module_name> corresponding to the modules that you want to switch on, and uncomment the lines.mysql -uadmin -p`cat /etc/psa/.psa.shadow` psa -e "update misc set val='0' where param='vps_optimized_mode_status';"