Apache Web Server Monitoring

The Apache monitor shows the measurements and server properties that can be monitored on the Apache Web server during the test run.

Set up the Apache monitor

  1. Configure the Apache monitor from the monitor profile

    For task details, see Create and configure monitor profiles.

  1. Specify which resources you want to measure

    To obtain performance data for the Apache monitor, select the statistics and measurements you want to monitor.

    Measurement

    Description

    # Busy Servers

    The number of servers in the Busy state.

    # Idle Servers

    The number of servers in the Idle state.

    Apache CPU Usage

    The percentage of time the CPU is utilized by the Apache server.

    Hits/sec

    The HTTP request rate.

    KBytes Sent/sec

    The rate at which data bytes are sent from the Web server.

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Change the Apache default server properties

This task describes how to modify the Apache default server properties that are defined in the monitor configuration file.

  1. Open the apache.cfg file in the <performance center server root folder>\dat\monitors directory.

  2. Edit the following parameters after the Delimiter=: statement:

  3. InfoURL. Server statistics information URL

    ServerPort. Server port number

    SamplingRate. Rate (milliseconds) at which the monitor will poll the server for the statistics information. If this value is greater than 1000, Performance Center will use it as its sampling rate. Otherwise, it will use the sampling rate defined in the Monitors tab of the Options dialog box.

  4. Save and close the file.

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