8 HTTP Server

8.1.1.1 User Action

None.

8.2.1.1 Metric Summary

The following table shows how often the metric's value is collected.

8.2.1.2 User Action

Customers should not take any action based on the values for this metric.

8.2.2.1 Metric Summary

The following table shows how often the metric's value is collected.

8.2.2.2 User Action

Customers should not take any action based on the values for this metric.

8.2.3.1 Metric Summary

The following table shows how often the metric's value is collected.

8.2.3.2 User Action

Customers should not take any action based on the values for this metric.

8.2.4.1 Metric Summary

The following table shows how often the metric's value is collected.

8.2.4.2 User Action

Customers should not take any action based on the values for this metric.

8.2.5.1 Metric Summary

The following table shows how often the metric's value is collected.

8.2.5.2 User Action

Customers should not take any action based on the values for this metric.

8.2.6.1 Metric Summary

The following table shows how often the metric's value is collected.

8.2.6.2 User Action

Customers should not take any action based on the values for this metric.

8.2.7.1 Metric Summary

The following table shows how often the metric's value is collected.

8.2.7.2 User Action

Customers should not take any action based on the values for this metric.

8.2.8.1 Metric Summary

The following table shows how often the metric's value is collected.

8.2.8.2 User Action

Customers should not take any action based on the values for this metric.

8.2.9.1 Metric Summary

The following table shows how often the metric's value is collected.

8.2.9.2 User Action

Customers should not take any action based on the values for this metric.

8.2.10.1 Metric Summary

The following table shows how often the metric's value is collected.

8.2.10.2 User Action

Customers should not take any action based on the values for this metric.

8.3.1.1 Metric Summary

The following table shows how often the metric's value is collected.

8.3.1.2 User Action

Customers should not take any action based on the values for this metric.

8.3.2.1 Metric Summary

The following table shows how often the metric's value is collected.

8.3.2.2 User Action

Customers should not take any action based on the values for this metric.

8.3.3.1 Metric Summary

The following table shows how often the metric's value is collected.

8.3.3.2 User Action

Customers should not take any action based on the values for this metric.

8.3.4.1 Metric Summary

The following table shows how often the metric's value is collected.

8.3.4.2 User Action

Customers should not take any action based on the values for this metric.

8.3.5.1 Metric Summary

The following table shows how often the metric's value is collected.

8.3.5.2 User Action

Customers should not take any action based on the values for this metric.

8.3.6.1 Metric Summary

The following table shows how often the metric's value is collected and compared against the default thresholds. The 'Consecutive Number of Occurrences Preceding Notification' column indicates the consecutive number of times the comparison against thresholds should hold TRUE before an alert is generated.

8.3.6.2 Multiple Thresholds

For this metric you can set different warning and critical threshold values for each "Full Name" object.

If warning or critical threshold values are currently set for any "Full Name" object, those thresholds can be viewed on the Metric Detail page for this metric.

To specify or change warning or critical threshold values for each "Full Name" object, use the Edit Thresholds page. See the Editing Thresholds topic in the Enterprise Manager online help for information on accessing the Edit Thresholds page.

8.3.6.3 User Action

Customers should not take any action based on the values for this metric.

8.3.7.1 Metric Summary

The following table shows how often the metric's value is collected.

8.3.7.2 User Action

Customers should not take any action based on the values for this metric.

8.3.8.1 Metric Summary

The following table shows how often the metric's value is collected and compared against the default thresholds. The 'Consecutive Number of Occurrences Preceding Notification' column indicates the consecutive number of times the comparison against thresholds should hold TRUE before an alert is generated.

8.3.8.2 Multiple Thresholds

For this metric you can set different warning and critical threshold values for each "Full Name" object.

If warning or critical threshold values are currently set for any "Full Name" object, those thresholds can be viewed on the Metric Detail page for this metric.

To specify or change warning or critical threshold values for each "Full Name" object, use the Edit Thresholds page. See the Editing Thresholds topic in the Enterprise Manager online help for information on accessing the Edit Thresholds page.

8.3.8.3 User Action

Customers should not take any action based on the values for this metric.

8.3.9.1 Metric Summary

The following table shows how often the metric's value is collected.

8.3.9.2 User Action

Customers should not take any action based on the values for this metric.

8.4.1.1 Metric Summary

The following table shows how often the metric's value is collected.

8.4.1.2 User Action

Customers should not take any action based on the values for this metric.

8.4.2.1 Metric Summary

The following table shows how often the metric's value is collected.

8.4.2.2 User Action

Customers should not take any action based on the values for this metric.

8.4.3.1 Metric Summary

The following table shows how often the metric's value is collected.

8.4.3.2 User Action

Customers should not take any action based on the values for this metric.

8.4.4.1 Metric Summary

The following table shows how often the metric's value is collected.

8.4.4.2 User Action

Customers should not take any action based on the values for this metric.

8.4.5.1 Metric Summary

The following table shows how often the metric's value is collected.

8.4.5.2 User Action

Customers should not take any action based on the values for this metric.

8.5.1.1 Metric Summary

The following table shows how often the metric's value is collected.

8.5.1.2 User Action

Customers should not take any action based on the values for this metric.

8.5.2.1 Metric Summary

The following table shows how often the metric's value is collected.

8.5.2.2 User Action

Customers should not take any action based on the values for this metric.

8.5.3.1 Metric Summary

The following table shows how often the metric's value is collected.

8.5.3.2 User Action

Customers should not take any action based on the values for this metric.

8.5.4.1 Metric Summary

The following table shows how often the metric's value is collected.

8.5.4.2 User Action

Customers should not take any action based on the values for this metric.

8.6.1.1 Metric Summary

The following table shows how often the metric's value is collected.

8.6.1.2 User Action

Specific to your site.

8.7.1.1 Metric Summary

The following table shows how often the metric's value is collected.

8.7.1.2 User Action

Specific to your site.

8.7.2.1 Metric Summary

The following table shows how often the metric's value is collected.

8.7.2.2 User Action

This metric helps you determine the frequency of requests currently being served by the module.

If the request handling throughput is very low, either there is no activity on the Web server for the module, or there is something else going on that is preventing the module from processing requests.

8.7.3.1 Metric Summary

The following table shows how often the metric's value is collected.

8.7.3.2 User Action

Specific to your site.

8.8.1.1 Metric Summary

The following table shows how often the metric's value is collected and compared against the default thresholds. The 'Consecutive Number of Occurrences Preceding Notification' column indicates the consecutive number of times the comparison against thresholds should hold TRUE before an alert is generated.

8.8.1.2 User Action

Specific to your site.

8.9.1.1 Metric Summary

The following table shows how often the metric's value is collected and compared against the default thresholds. The 'Consecutive Number of Occurrences Preceding Notification' column indicates the consecutive number of times the comparison against thresholds should hold TRUE before an alert is generated.

8.9.1.2 User Action

Specific to your site.

8.9.2.1 Metric Summary

The following table shows how often the metric's value is collected and compared against the default thresholds. The 'Consecutive Number of Occurrences Preceding Notification' column indicates the consecutive number of times the comparison against thresholds should hold TRUE before an alert is generated.

8.9.2.2 User Action

Specific to your site.

8.9.3.1 Metric Summary

The following table shows how often the metric's value is collected.

8.9.3.2 User Action

Specific to your site.

8.9.4.1 Metric Summary

The following table shows how often the metric's value is collected.

8.9.4.2 User Action

Specific to your site.

8.9.5.1 Metric Summary

The following table shows how often the metric's value is collected and compared against the default thresholds. The 'Consecutive Number of Occurrences Preceding Notification' column indicates the consecutive number of times the comparison against thresholds should hold TRUE before an alert is generated.

8.9.5.2 User Action

Use the Enterprise Manager Application Server Control Console to examine the errors in this HTTP Server's error log file. For information about viewing HTTP Server error logs in the Enterprise Manager Application Server Control, see the "About the HTTP Server Log Files" topic in the Enterprise Manager Application Server Control help system.

8.9.6.1 Metric Summary

The following table shows how often the metric's value is collected.

8.9.6.2 User Action

Specific to your site.

8.9.7.1 Metric Summary

The following table shows how often the metric's value is collected and compared against the default thresholds. The 'Consecutive Number of Occurrences Preceding Notification' column indicates the consecutive number of times the comparison against thresholds should hold TRUE before an alert is generated.

8.9.7.2 User Action

To tune the percentage of Oracle HTTP Server child processes that are currently servicing requests, you can change the values for the MaxClients, MinSpareServers, and MaxSpareServers directives.

You can change the value of the MaxClients directive by modifying the value of the Maximum Requests Processed Simultaneously field on the HTTP Server Server Properties page in the Enterprise Manager Application Server Control Console. See the "Modifying Server Properties" topic in the Enterprise Manager Application Server Control help system for more information about accessing the HTTP Server Server Properties page in the Enterprise Manager Application Server Control Console. Click Help on the HTTP Server Server Properties page for more information about using that page.

The MinSpareServers and MaxSpareServers directives can be modified on the Advanced Server Properties page in the Enterprise Manager Application Server Control Console. See the "Editing the Server Configuration Files" topic in the Enterprise Manager Application Server Control help system for more information about accessing the HTTP Server Advanced Server Properties page in the Enterprise Manager Application Server Control Console. Click Help on the HTTP Server Advanced Server Properties page for more information about using that page to edit the directives in the httpd.conf file.

For more information about the MaxClients, MinSpareServers, and MaxSpareServers directives, go to the Apache HTTP Server Documentation section of the http://www.apache.org Web site, then navigate to the Directives information.

8.9.8.1 Metric Summary

The following table shows how often the metric's value is collected and compared against the default thresholds. The 'Consecutive Number of Occurrences Preceding Notification' column indicates the consecutive number of times the comparison against thresholds should hold TRUE before an alert is generated.

8.9.8.2 User Action

Specific to your site.

8.9.9.1 Metric Summary

The following table shows how often the metric's value is collected.

8.9.9.2 User Action

Specific to your site.

8.9.10.1 Metric Summary

The following table shows how often the metric's value is collected and compared against the default thresholds. The 'Consecutive Number of Occurrences Preceding Notification' column indicates the consecutive number of times the comparison against thresholds should hold TRUE before an alert is generated.

8.9.10.2 User Action

Specific to your site.

8.9.11.1 Metric Summary

The following table shows how often the metric's value is collected.

8.9.11.2 User Action

This metric can help you identify changes in the volume of information being served by the HTTP Server over time.

8.10.1.1 Metric Summary

The following table shows how often the metric's value is collected and compared against the default thresholds. The 'Consecutive Number of Occurrences Preceding Notification' column indicates the consecutive number of times the comparison against thresholds should hold TRUE before an alert is generated.

8.10.1.2 Multiple Thresholds

For this metric you can set different warning and critical threshold values for each "Name" object.

If warning or critical threshold values are currently set for any "Name" object, those thresholds can be viewed on the Metric Detail page for this metric.

To specify or change warning or critical threshold values for each "Name" object, use the Edit Thresholds page. See the Editing Thresholds topic in the Enterprise Manager online help for information on accessing the Edit Thresholds page.

8.10.1.3 User Action

Specific to your site.

8.10.2.1 Metric Summary

The following table shows how often the metric's value is collected and compared against the default thresholds. The 'Consecutive Number of Occurrences Preceding Notification' column indicates the consecutive number of times the comparison against thresholds should hold TRUE before an alert is generated.

8.10.2.2 Multiple Thresholds

For this metric you can set different warning and critical threshold values for each "Name" object.

If warning or critical threshold values are currently set for any "Name" object, those thresholds can be viewed on the Metric Detail page for this metric.

To specify or change warning or critical threshold values for each "Name" object, use the Edit Thresholds page. See the Editing Thresholds topic in the Enterprise Manager online help for information on accessing the Edit Thresholds page.

8.10.2.3 User Action

Specific to your site.

8.10.3.1 Metric Summary

The following table shows how often the metric's value is collected.

8.10.3.2 User Action

Specific to your site.

8.10.4.1 Metric Summary

The following table shows how often the metric's value is collected and compared against the default thresholds. The 'Consecutive Number of Occurrences Preceding Notification' column indicates the consecutive number of times the comparison against thresholds should hold TRUE before an alert is generated.

8.10.4.2 Multiple Thresholds

For this metric you can set different warning and critical threshold values for each "Name" object.

If warning or critical threshold values are currently set for any "Name" object, those thresholds can be viewed on the Metric Detail page for this metric.

To specify or change warning or critical threshold values for each "Name" object, use the Edit Thresholds page. See the Editing Thresholds topic in the Enterprise Manager online help for information on accessing the Edit Thresholds page.

8.10.4.3 User Action

Specific to your site.

8.10.5.1 Metric Summary

The following table shows how often the metric's value is collected.

8.10.5.2 User Action

This metric can help you identify changes in the volume of information being served by the virtual host over time.

8.10.6.1 Metric Summary

The following table shows how often the metric's value is collected.

8.10.6.2 User Action

None.

8.11.1.1 User Action

Specific to your site.

8.11.2.1 User Action

None.

8.12.1.1 Metric Summary

The following table shows how often the metric's value is collected.

8.12.1.2 User Action

Specific to your site.

8.12.2.1 Metric Summary

The following table shows how often the metric's value is collected and compared against the default thresholds. The 'Consecutive Number of Occurrences Preceding Notification' column indicates the consecutive number of times the comparison against thresholds should hold TRUE before an alert is generated.

8.12.2.2 User Action

Specific to your site.

8.12.3.1 Metric Summary

The following table shows how often the metric's value is collected.

8.12.3.2 User Action

Specific to your site.

8.12.4.1 Metric Summary

The following table shows how often the metric's value is collected.

8.12.4.2 User Action

Specific to your site.

8.12.5.1 Metric Summary

The following table shows how often the metric's value is collected and compared against the default thresholds. The 'Consecutive Number of Occurrences Preceding Notification' column indicates the consecutive number of times the comparison against thresholds should hold TRUE before an alert is generated.

8.12.5.2 User Action

Specific to your site.

8.12.6.1 Metric Summary

The following table shows how often the metric's value is collected.

8.12.6.2 User Action

Specific to your site.

8.12.7.1 Metric Summary

The following table shows how often the metric's value is collected.

8.12.7.2 User Action

Navigate to the host Home page and review the top processes to see if you can identify which processes are consuming the most CPU. For more information, see the "Viewing Host Target Performance Information" in the Enterprise Manager online help.

8.12.8.1 Metric Summary

The following table shows how often the metric's value is collected.

8.12.8.2 User Action

Navigate to the host Home page and review the top processes to see if you can identify which processes are consuming the most memory. For more information, see the "Viewing Host Target Performance Information" in the Enterprise Manager online help.

8.12.9.1 Metric Summary

The following table shows how often the metric's value is collected.

8.12.9.2 User Action

Navigate to the host Home page and review the top processes to see if you can identify which processes are consuming the most memory. For more information, see "Viewing Host Target Performance Information" in the Enterprise Manager online help.

8.12.10.1 Metric Summary

The following table shows how often the metric's value is collected.

8.12.10.2 User Action

Specific to your site.

8.13.1.1 Metric Summary

The following table shows how often the metric's value is collected and compared against the default thresholds. The 'Consecutive Number of Occurrences Preceding Notification' column indicates the consecutive number of times the comparison against thresholds should hold TRUE before an alert is generated.

8.13.1.2 User Action

If the HTTP Server is down, start it using the Home page for the HTTP Server in the Enterprise Manager Application Server Control Console.