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Foglight for Apache 5.7.0 - User Guide

Web Server Details View

The Web Server Details view provides information about the monitored web server as well as detailed information about web server performance and web site performance on the Performance Tab and Web Sites Tab respectively.
You can drill down to this view by clicking a web server name on the Summary – All Apache Web Servers view, or by clicking Explore on the Summary – WebServerName view.
 
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TIP: To view the details for another web server without leaving this view, click the web server name in the upper left corner, and select another server from the list.

Monitored Information

Figure 1. Monitored Information section
This section provides a breakdown of details pulled from the Server Information and Server Status pages of the web server, including the following:
 
Table 1. Monitored Information fields and definitions
Name
The configured display name of the Apache web server.
Version
The version number of the Apache web server.
Bindings
If the Apache web server has been configured using the Listen directive to listen for incoming connections on specific ports or selected addresses (or both), that binding information appears here.
Up since
The date and time the web server was last restarted.
Up time
The length of time since the web server was last restarted.
Host
The name of the machine that hosts the web server.
OS type
The operating system of the monitored host.
NOTE: If the host is not monitored, the OS type is blank.
Process name
The process name is either httpd (for Apache versions 2.2 and 2.4) or Apache (for versions 1.3 and 2.0).
Total accesses since last up
The total number of times the web server was accessed since the last time it was restarted.
Total traffic since last up
The total amount of traffic (bandwidth used) by the web server since the last time it was restarted.

Performance Tab

The Performance tab is divided into three sections: Worker Status, Performance, and Top 5 Busy Web Sites.
Worker Status
The Worker Status chart on the Performance tab helps you visualize the state of workers on the web server. Use the list of check boxes to show or hide the types of worker status that you want to review from the eleven types available.
Figure 2. Worker Status Chart
By default, all status types except Waiting for Connection and Open slot with no current process are selected and shown.
Performance
The Performance charts on the Performance tab provide an at-a-glance overview of four key web server metrics and their overall health: idle/busy workers, data throughput, open connections, and requests per second.
Figure 3. Performance Charts
The colored bar above each chart indicates the health of that metric. The color changes when an alarm occurs.
The Data Throughput and Requests per Second charts include a baseline envelope that enables you to quickly see when values are above or below the typical operating range. For more information about baselines, see “Analyzing Activity Levels with IntelliProfile” in the Foglight for Apache Administration and Configuration Guide.
Top 5 Busy Web Sites (Connection Count)
The Top 5 Busy Web Sites chart on the Performance tab allows you to compare the five web sites with the highest connection count.
Figure 4. Top 5 Busy Web Sites Chart
Web Site Summary
To view traffic details for a particular web site:
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Click the name of the web site in the table below the chart.
Web Site Summary popup view opens.
Figure 5. Web Site Summary Popup View
This view displays the Site Binding information (if available), and three charts: Connection Count, Client Count, and Traffic. You can also access this information on the Web Sites tab.

Web Sites Tab

The Web Sites tab lists all web sites hosted on the selected Apache web server. It also provides site binding information (if applicable), and connection count, client count, and traffic information.
To access the Web Sites tab:
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On the Web Server Details view, click the Web Sites tab.
Figure 6. Web Sites Tab View
The Web Sites tab provides the following information for all sites hosted on the selected web server:
 
Table 2. Web Sites Tab fields and definitions
Web Site
Web site name.
Site Bindings
If the Apache web server has been configured using the Listen directive to listen for incoming connections on specific ports or selected addresses (or both), that binding information appears in this box.
Connections
Displays the current number of connections, as a numeric value, as well as a sparkline of the connection count trend over the time range selected in the zonar (for example, 4 hours). Hover the mouse pointer over the sparkline to open a graph of the connection count over time, or click the sparkline or count to open a Web Site Summary view.
Clients
Displays the current number of clients, as a numeric value, as well as a sparkline of the client count trend over the time range selected in the zonar (for example, 4 hours). Hover the mouse pointer over the sparkline to open a bar chart of the client count over time, or click the sparkline or count to open a Web Site Summary view.
Traffic
Displays the current traffic (bandwidth use) for the web site as a numeric value, as well as a sparkline of the traffic trend over the time range selected in the zonar (for example, 4 hours). Hover the mouse pointer over the sparkline to open a bar chart of the traffic over time, or click the sparkline or count to open a Web Site Summary view.
Click any row in the table to open the Web Site Summary view for the selected web site.
 
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