Category: How to: Configure Web Server Options

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Purpose

The following procedure explains how to configure Apache server options using InterWorx. The most common configuration options are exposed in the InterWorx interface. As with many of the system services, a system administrator still retains the ability to configure the service by editing the configuration file.

How to: Configure Web Server Options

  1. Click the System Services menu item if it is not already open.
  2. Click the Web Server menu item.
  3. Locate the Apache Server Options section.
  4. Change the option(s) you wish to update to the desired value(s).
  5. Click the Update button.

Apache Server Options

Max Clients

The maximum number of simultaneous requests that will be served. Possible values range from 1 to 20000.

Apache docs on Max Clients directive

Server Limit

The maximum configured value for the max clients directive for the lifetime of the Apache Process. Possible values range from 1 to 20000.

Apache docs on Server Limit directive

Start Servers

The number of child server process created on server startup. As the number of processes is dynamically controlled depending on the load, there is usually little reason to adjust this parameter. Possible values range from 1 to 20000.

Apache docs on Start Servers directive

Spare Servers (min)

The minimum number of idle child processes. An idle process is one which is not handling a request. Possible values range from 1 to 20000.

Apache docs on the Minimum Number of Spare Servers

Spare Servers (max)

The maximum number of idle child processes. An idle process is one which is not handling a request. Possible values range from 1 to 20000. The spare servers directives are used to help deal with spikes in web traffic.

Apache docs on the Maximum Number of Spare Servers

Max Requests per Server

The limit on the number of requests that an individual child server process will handle. Setting this to 0 will allow for an unlimited number of requests to be handled. Possible values range from 0 to 1000000.

Apache docs on Maximum Requests Per Child Process

Timeout

The amount of time Apache will wait for any of three things:

  • The total amount of time for a GET request to be received.
  • The amount of time between receipt of TCP packets on a POST or PUT request.
  • The amount of time between ACKs on transmissions of TCP packets in responses.

Apache docs on TimeOut directive

Keepalive

Turning the Keepalive directive on will provide long-lived HTTP sessions which allow multiple requests to be sent over the same TCP connection. In some instances, turning keepalive on has resulted in a reduction in latency for HTML documents containing many images.

Apache docs on Keepalive directive

Keepalive Requests

The number of requests allowed per connection. If this is set to 0, an ulimited number of requests is allowed.
Possible values range from 0 to 65336.

Apache docs on Keepalive Requests directive

This value will only be able to be changed if Keepalive is set to on.

Keepalive Timeout

The number of seconds Apache will wait for a request before closing the connection.

Apache docs on Keepalive Timeout directive

This value will only be able to be changed if Keepalive is set to on.
ApacheWeb Server
Nov 16, 2012, 8:58 pmBy: InterWorx
How to: Configure Web Server Options
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