Click on the Performance Tuning tab to
configure the maximum number of child server processes you want and
to configure the Apache HTTP Server options for client connections.
The default settings for these options are appropriate for most
situations. Altering these settings may affect the overall
performance of your Web server.
Set Max Number of Connections to the
maximum number of simultaneous client requests that the server can
handle. For each connection, a child httpd
process is created. After this maximum number of processes is
reached, no one else can connect to the Web server until a child
server process is freed. You can not set this value to higher than
256 without recompiling. This option corresponds to the MaxClients
directive.
Connection Timeout defines, in seconds,
the amount of time that your server waits for receipts and
transmissions during communications. Specifically, Connection Timeout defines how long your server
waits to receive a GET request, how long it waits to receive TCP
packets on a POST or PUT request, and how long it waits between
ACKs responding to TCP packets. By default, Connection Timeout is set to 300 seconds, which is
appropriate for most situations. This option corresponds to the
TimeOut directive.
Set the Max requests per connection to
the maximum number of requests allowed per persistent connection.
The default value is 100, which should be appropriate for most
situations. This option corresponds to the MaxRequestsPerChild
directive.
If you check the Allow unlimited requests
per connection option, the MaxKeepAliveRequests
directive is set to 0 and unlimited requests are allowed.
If you uncheck the Allow Persistent
Connections option, the KeepAlive directive is set to
false. If you check it, the KeepAlive directive is set to
true, and the KeepAliveTimeout
directive is set to the number that is selected as the Timeout for next Connection value. This directive
sets the number of seconds your server waits for a subsequent
request, after a request has been served, before it closes the
connection. Once a request has been received, the Connection Timeout value applies instead.
Setting the Persistent Connections to a
high value may cause the server to slow down, depending on how many
users are trying to connect to it. The higher the number, the more
server processes are waiting for another connection from the last
client that connected to it.