Installing and Configuring HP WebQoS Peak on Linux

Contents

1. HP WebQoS Peak on Linux

What is HP WebQoS Peak on Linux? . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

Viewing the Server Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

What is a Session? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8

When Does a Web Server Become Overloaded? . . . . . . . . . . . . . . . . . . .9

How Does WebQoS Peak on Linux Work?. . . . . . . . . . . . . . . . . . . . . . . .9

For More Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

2. HP WebQoS Peak on Linux

What is HP WebQoS Peak on Linux? . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

Viewing the Server Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

What is a Session? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12

When Does a Web Server Become Overloaded? . . . . . . . . . . . . . . . . . .13

How Does WebQoS Peak on Linux Work?. . . . . . . . . . . . . . . . . . . . . . .13

For More Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

3. HP WebQoS Peak on Linux for the Apache Web Server

Integrating HP WebQoS Peak on Linux with the Apache Web Server .16

Scenario 1: The Apache server is already installed on the system.. . .16

Scenario 2: The Apache server is not yet installed on the system. . . .17

Conﬁguring WebQoS Peak on Linux for Apache . . . . . . . . . . . . . . . . . . .18

Setting the Conﬁgurable Parameters . . . . . . . . . . . . . . . . . . . . . . . . . .18

Admitting Sessions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18

Ending Sessions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19

Responding to Rejected Sessions . . . . . . . . . . . . . . . . . . . . . . . . . . . .20

Creating an Allocation Page for Deferred Sessions. . . . . . . . . . . . . .22

Logging WebQoS Peak on Linux Information. . . . . . . . . . . . . . . . . . . .23

Saving Information to the Server Access Log . . . . . . . . . . . . . . . . . .23

Logging Statistics to a File. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23