To increase it, you must also raise MaxRequestWorkers using the following formula: ServerLimit value x 25 = MaxRequestWorkers value. For example, if ServerLimit is set to 20, then MaxRequestWorkers will be 20 x 25 = 500.

What is MaxRequestWorkers?

MaxRequestWorkers Directive For non-threaded servers (i.e., prefork ), MaxRequestWorkers translates into the maximum number of child processes that will be launched to serve requests. The default value is 256 ; to increase it, you must also raise ServerLimit .

What is server limit in Apache?

By default, Apache comes preconfigured to serve a maximum of 256 clients simultaneously. This particular configuration setting can be found in the file /etc/httpd/conf/httpd. conf (though the location of the file may vary, depending on the Linux distribution you use).