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Edit the Advanced Configuration for 1&1 Managed Servers

The Advanced Configuration feature is enabled by default to optimize your 1&1 Managed Server's performance. You can edit some of the system settings or disable this feature.

Step 1
Click the Advanced Configuration link from the 1&1 Servers panel.
1&1 Control Panel
1&1 Control Panel
Step 2
If it is not already enabled, click the Activate button.
1&1 Control Panel - Change Server Settings section
1&1 Control Panel - Change Server Settings section

If it was previously enabled, click the Edit button.
1&1 Control Panel - Change Server Settings section
1&1 Control Panel - Change Server Settings section
Step 3
Here you can change the settings and click Next button when finished.

Memory usage: Apache reserves a certain amount of memory space for the operation of individual scripts. You can set and alter this parameter to any size in KB you require. It is recommended not to exceed 80% of the RAM for your server.

Process timeout: With this option you can limit the maximum processing time the CPU is allowed to allocate Apache to run an individual script. If the script is unable to finish, it will be terminated. This prevents the overloading of the server and still allows, for example, access by SSH during high-demand periods of multiple simultaneous hits on the Apache webserver. It is recommended to leave this value between 1-3,600 seconds.

Maximum simultaneous processes: With this setting you can prevent too many simultaneous hits on a single script which can slow down or disrupt already running processes such as other webserver requests, CGI scripts and cronjobs. This setting correlates directly with the Process timeout setting. It is recommended to leave this value between 100-1,024.

1&1 Control Panel - Change Server Settings section
1&1 Control Panel - Change Server Settings section
Step 4
Confirmation that the changes have been saved and the Apached webserver is being restarted with your new settings.
1&1 Control Panel - Change Server Settings section
1&1 Control Panel - Change Server Settings section
Please note:
Disabling the Advanced Configuration feature will set PHP to run as a CGI rather than an Apache module. Any PHP directives you have in a .htaccess file will need to be moved to a php.ini as described in the following article: Change PHP Directives.