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Foglight APM for Real User Experience 5.9.9 - Administration and Configuration Guide

Getting started Configuring traffic capture
Managing Sniffers Managing Archivers Managing capture groups Managing sessionizing policies Managing monitored ports Managing monitored IP addresses Managing monitored subnets Managing identifiers for virtual addressing schemes Managing private keys Managing web services and SOAP operations
Configuring traffic analysis Configuring analyzers Capturing traffic outside the network Configuring advanced options Integrating Foglight APM with other products Maintaining and troubleshooting Appendix: Building regular expressions in Foglight Appendix: Traffic analysis processing
Understanding the traffic analysis workflow Stage 1: Run hit analysis Stage 2: Run sequence analysis Stage 3: Finalize stopped sequences Stage 4: Finalize the session Example of interdependent analyzers Online-Only Topics
Removing items from a table Defining extraction expressions Adding, copying, and editing archivers Testing archivers Configuring archiver database shard settings Adding, copying, and editing sniffers Testing sniffers Adding and editing capture groups Testing capture groups Adding and copying sessionizing policies Editing sessionizing policies Selecting session identifiers from a discovery list Adding and editing session identifier variables Organizing session identifiers Selecting user name variables from a discovery list Adding and editing username rules Selecting URL prefixes from a discovery list Adding or adding URL prefixes Selecting ports from a discovery list Adding or editing monitored ports Selecting IP addresses from a discovery list Adding or editing monitored IP addresses Looking up host names for all monitored IP addresses Associating private keys with IP addresses Selecting subnets from a discovery list Adding and editing monitored subnets Adding identifiers Editing identifiers Finding IP addresses in HTTP headers Configuring a custom HTTP header using Microsoft IIS Manager Adding and editing local private keys Adding and editing HSM private keys Exporting keys using Microsoft Management Console Adding or editing web services Importing WSDL files to define web services Managing custom fields and metrics Adding, copying, and editing custom fields Removing custom fields Editing custom metrics Removing custom metrics Managing sensitive data Adding, copying, and editing sensitive hit detail policies Adding, copying, and editing sensitive content expression policies Modifying members of pivot categories Selecting aliases from a discovery list Adding, copying, and editing domain rules Adding, copying, and editing large hit details Adding, copying, and editing URL classifiers Reviewing rules for browser category, browser, and operating system hit details Adding user-defined user agent rules Adding and editing additional parsed response types Adding and editing captured request body types Adding, copying, and editing scripts Removing scripts Referencing configuration objects in a script Testing regular expressions Syntax for test data Adding simple hit analyzers using the Setup Wizard Adding simple sequence analyzers using the Setup Wizard Adding analyzers Copying analyzers Editing analyzers Adding and editing conditions Creating a simple Boolean expression Creating a complex Boolean expression Disabling standard metrics generated by a hit analyzer Adding custom metrics Editing custom metrics Selecting pivot categories Breaking out metrics into dynamically-named topology objects Publishing metric timeslices for the Geographical Perspectives dashboard Changing SLA thresholds Adding custom field updates Editing custom field updates Adding scripts to an analyzer Editing scripts Creating new scripts on the fly Adding hit storage restrictions Editing hit storage restrictions Adding sequence events Editing sequence events Adding static page elements Editing static page elements Viewing resource files defined by static page elements Adding and editing subnet filters Exporting configurations Exporting encrypted configurations Restoring a previous configuration Importing saved configurations Importing hit analysis configurations from Foglight Experience Viewer Using the Import Configuration Wizard

Associating HSM keys with monitored IP addresses

First you need to define the HSM keys you want to use in the Private Keys dashboard. For more information, see Managing HSM private keys.
Then, for each monitored IP address requiring an HSM key, associate each of the server’s SSL ports with the correct HSM key. You need the password for the HSM partition. For more information, see Monitoring secure (HTTPS) web traffic.
 

Maintaining and troubleshooting

You should monitor your appliances to ensure that they are performing optimally. If you discover any issues, you can use the features in the Support menu to help you resolve them. This section explains how to check the health of the appliances, roll back to previous configurations, generate support bundles for Dell Support, and update the appliance software.
 
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NOTE: The Installation and Setup Guide also contains maintenance and troubleshooting tasks that can be completed from the Console Program or the command line, including a Sniffer Diagnostic utility that can validate the performance of the monitoring NICs.
Maintenance and troubleshooting include the following activities:
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Checking the health of Foglight APM Appliances
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Managing configuration changes
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Creating support bundles
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Updating appliance software
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Restarting the embedded Agent Manager

Checking the health of Foglight APM Appliances

You can monitor the health of the Foglight APM Appliances in your network and the performance of the Sniffers, Archivers, and Relayers. To view a summary of installed appliances and the software components they host, navigate to APM > Support > Appliance Health.
Figure 102. Appliance Health dashboard
The tiles across the top of the dashboard summarize the health of the appliances, Sniffers, Archivers, and Relayers. For example, let’s look at the Appliances tile. You can see how many appliances you have in the upper right corner.
Figure 103. Appliance Health tiles
 
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NOTE: If you have a single All-in-One Appliance installed, then your tiles should show one appliance and one of each of the software components.
The severity indicators across the bottom of the tile show how many appliances are in each of the severity states. The following table summarizes the severity levels.
 
Table 86. Appliance health severity levels
Icon
Severity
Description
Normal
The component is operating within normal thresholds. A normal severity level indicates that there have been no critical, warning, or fatal events fired. Foglight does not record events that are successful; it can only determine that there are no events that had problems.
Warning
Represents a possible performance problem, based on calculations on current server metrics against best-practices thresholds.
Critical
Indicates that the current metric values point strongly towards performance-related problems with the specified component.
Fatal
There is a very strong indication that the server is experiencing conditions that can degrade performance.
When any of the tiles show an appliance or software components in a non-normal state, you need to investigate.
For more information, see the following topics:
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Investigating issues with appliance health
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Summary of Appliance Health views

Investigating issues with appliance health

The investigative process is the same for appliances and the software components. This workflow uses the Appliances tile as an example. For a list of views that open for the other tiles, see Summary of Appliance Health views.
 
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NOTE: This workflow describes how to use the dashboard to investigate issues. For reference information about the purpose of each view and the metrics displayed, see “Appliance Health Dashboard” in the Foglight APM Reference Guide online help.
To investigate issues:
1
Select a tile that shows an appliance/component in a non-normal state.
For this example, we investigate the Appliance tile, which is the default selection. The Appliances quick view appears below the tiles, displaying all appliances in your installation.
The Summary - All Appliances view contains a table that summarizes the key performance indicators for each of the appliances, including percentages for CPU statistics and counts for running and blocked processes. The Alarms view displays alarms (if any) for all appliances.
2
If an alarm exists in the Alarms view, drill down on the alarm.
3
After alarms are resolved, if you still have an appliance/component in a non-normal status, select it.
For example, if you select an appliance, the view changes to show some statics for the selected appliance.
From the Appliance: SelectedAppliance view, you can review how the appliance is accessing CPU and memory, as well as the various file systems. Alarms appear across the bottom.
Let’s assume this view does not provide enough detail to reveal the issue. You can drill down to more detailed metrics.
4
Click Explore to open a dashboard for the selected appliance/component.
For example, if you explore from the Selected Appliance view, the Appliance: SelectedAppliance dashboard opens, displaying a Summary tab for the selected appliance.
Review the performance information to look for problems with the appliance. To see even more detail about the views in the Summary tab, click one of the other tabs: CPU tab, Memory tab, Storage tab, Processes tab.
5
After you identify the issue, take action to resolve the issue discovered.
For example, if the issue is with an appliance, a resolution may involve contacting Dell Support, upgrading the appliance, adding new appliances to handle increased load, or repairing/replacing ailing appliances.
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