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Foglight for Citrix XenDesktop and XenApp 5.6.16.1 - User Guide

Getting Started Setting Up Data Collection Agents Monitoring the Performance of your XenDesktop Environment

Investigating the Use of Desktop Resources

In your monitored environment, a Desktop component encapsulates a Windows® desktop together with application elements that are delivered to end-users on demand. You can review the performance of individual desktops in the Summary - Desktop view. This view shows the usage of system resources for the selected desktop. Use it to see the trends in usage of the selected component’s system resources, and to review any generated alarms, if they exist. For example, high peaks in the memory utilization chart, that drastically exceed historical values could result in performance degradation and should be investigated.
Figure 65. Summary - Desktop view
 
Table 6. Summary - Desktop view
Desktop properties
The configuration information about the selected desktop site: its name, the catalog name, whether it delivers desktops only or desktops with applications, whether it is a static or random desktop, whether it persists or discards user changes, whether it is a virtual or physical machine, the OS and protocol in use, and the host name and IP address (for physical hosts).
Figure 66. Desktop properties
CPU
Depending on the type of selected desktop (physical or virtual), CPU metrics are displayed in two different views.
For virtual desktops, the CPU view displays the CPU Load spinner indicating the current percentage of the selected virtual machine’s CPU load, used to execute system code and user programs, based on the total CPU capacity. The % Used line in the CPU Utilization chart shows the percentage of the CPU utilization used by the virtual machine to execute system code and user programs, during the selected time period. % Ready displays the percentage of the virtual machine’s CPU resources that are ready to execute system code and user programs during the selected time period. The Baseline area in the chart indicates the expected CPU utilization range based on historical data.
Figure 67. Virtual desktop CPU view
For physical desktops, the CPU Utilization line in the chart shows the percentage of the CPU utilization used by the physical machine to execute system code and user programs, during the selected time period. Run Queue Length displays the number of processes that are waiting to be executed, during the selected time period. The Baseline area in the chart indicates the expected CPU utilization range based on historical data.
The History bar appearing above the chart indicates the alarm state of the selected desktop’s CPU resources over the selected time range period. The color of the bar changes over that period depending on the alarm state. Red indicates that the selected component is in Fatal state, orange indicates Critical, yellow means Warning, and green is for the Normal state.
If any CPU-related alarms are generated against the desktop, the counts of alarms in each severity state are displayed.
Figure 68. Physical desktop CPU view
Memory
Depending on the type of selected desktop (physical or virtual), memory metrics are displayed in two different views.
For virtual desktops, the Memory view displays the Memory spinner indicating the current percentage of the average memory usage by the selected virtual machine, based on the total memory capacity. The Utilization line in the Memory Utilization chart shows the percentage of memory used by the virtual machine during the selected time period. The Baseline area in the chart indicates the expected memory utilization range based on historical data.
Figure 69. Virtual desktop Memory view
For physical desktops, the Memory Utilization line in the chart shows the percentage of the memory resources physical machine uses during the selected time period. The Baseline area in the chart indicates the expected memory utilization range based on historical data.
The History bar appearing above the chart indicates the alarm state of the selected desktop’s memory resources over the selected time range period. The color of the bar changes over that period depending on the alarm state. Red indicates that the selected component is in Fatal state, orange indicates Critical, yellow means Warning, and green is for the Normal state.
If any memory-related alarms are generated against the desktop, the counts of alarms in each severity state are displayed.
Figure 70. Physical desktop Memory view
Datastore/Storage
Depending on the type of selected desktop (physical or virtual), disk storage metrics are displayed in two different views.
For virtual desktops, the Datastore view displays the Datastore I/O spinner indicating the current datastore I/O rate the selected virtual machine utilizes, based on the total datastore capacity. The Transfer Rate line in the Datastore Utilization chart shows the rate at which the virtual machine reads and writes data to the datastore during the selected time period. The Baseline area in the chart indicates the expected datastore utilization range based on historical data.
Figure 71. Virtual desktop Datastore view
For physical desktops, the Disk Utilization line in the chart shows the percentage of the disk resources the physical machine uses during the selected time period. The Baseline area in the chart indicates the expected disk utilization range based on historical data.
The History bar appearing above the chart indicates the alarm state of the selected desktop’s disk resources over the selected time range period. The color of the bar changes over that period depending on the alarm state. Red indicates that the selected component is in Fatal state, orange indicates Critical, yellow means Warning, and green is for the Normal state.
If any memory-related alarms are generated against the desktop, the counts of alarms in each severity state are displayed.
Figure 72. Physical desktop Storage view
Network
Depending on the type of selected desktop (physical or virtual), network metrics are displayed in two different views.
For virtual desktops, the Network view displays the Network I/O spinner indicating the current rate at which the selected virtual machine transfers data from and to the network. The Transfer Rate line in the Network Utilization chart shows the rate at which the selected virtual machine receives and sends data to the network during the selected time period. The Baseline area in the chart indicates the expected network utilization range based on historical data.
Figure 73. Virtual desktop Network view
For physical desktops, the Network Utilization line in the chart shows the percentage of the network resources the physical machine uses during the selected time period. The Baseline area in the chart indicates the expected disk utilization range based on historical data.
The History bar appearing above the chart indicates the alarm state of the selected desktop’s network resources over the selected time range period. The color of the bar changes over that period depending on the alarm state. Red indicates that the selected component is in Fatal state, orange indicates Critical, yellow means Warning, and green is for the Normal state.
If any network-related alarms are generated against the desktop, the counts of alarms in each severity state are displayed.
Figure 74. Physical desktop Network view
Sessions
General information about the session, such as its type (desktop or application), the user running the session, client name, desktop name, additional session details, resource utilization, and latency.
Figure 75. Sessions view
Alarms
Alarms generated against the selected component (License Server or Delivery Controller). Each entry indicates the alarm severity (Warning, Critical, or Fatal), the time when the alarm was generated, and an explanation indicating what triggered the alarm.
Figure 76. Alarms view

Monitoring Applications

XenDesktop® facilitates delivery of application components to end users on demand. You can monitor the performance of available applications when you select the Applications tile on the XenDesktop Environment dashboard. The information appearing in the XenDesktop Application Quick View can help you discover potential resource-level issues such as high number of application instances, and to reallocate resources where they are most needed.
Figure 77. XenDesktop Application Quick View
To explore Applications:
1
On the navigation panel, under Dashboards, click XenDesktop Environment.
2
On the XenDesktop Environment dashboard, on the Monitoring tab, click the Applications tile.
3
In the XenDesktop Application Quick View, in the Applications view on the left, click All Applications.
The XenDesktop Application Quick View refreshes, showing the All Applications Summary view on the right.
Figure 78. All Applications Summary view
This view identifies the applications with the highest number of instances, and the highest CPU and memory utilization, and session latency. For more information, see Investigating Application Details.
4
In the XenDesktop Application Quick View, in the Applications view on the left, click an application node.
The XenDesktop Application Quick View refreshes, showing the Summary - Application view on the right.
Figure 79. Summary - Application view
This view displays general information about the selected application and shows the number of application instances that the end users are currently running. It also displays the levels of resource utilization for the selected application. For more information, see Investigating Application Details.
5
If you want to view the relationship the selected Application object has with other components in your integrated environment, in the top-right corner, click View Dependency.
The display area refreshes, showing a dependency map.
Figure 80. Dependency map
The map illustrates how the selected Desktop object relates to other components in your monitored environment. For more information, see Viewing Object Dependencies.
 
* 
TIP: To return to the XenDesktop Environment dashboard, use the bread crumb trail in the top-left corner.

Identifying Top Application Consumers

Your monitored XenDesktop environment delivers applications to end users on demand. The All Applications Summary view identifies the applications with the highest number of instances, and the highest CPU and memory utilization, and session latency. This view appears in the Quick View when you select All Applications in the Applications view on the left. Use it to look for potential bottlenecks in your system and prevent potential service disruptions by reallocating system resources where they are most needed.
Figure 81. All Applications Summary view
 
Table 7. Summary - Application view
Top Instances
The applications with the highest number of running instances over the selected time range.
Figure 82. Top Instances view
Top CPU Consumers
The applications consuming the highest amounts of CPU resources over the selected time range.
Figure 83. Top CPU Consumers view
Top Memory Consumers
The applications consuming the highest amounts of memory resources over the selected time range.
Figure 84. Top Memory Consumers view
Top Session Latency
The applications with the highest latency over the selected time range.
Figure 85. Top Session Latency view

Investigating Application Details

In your monitored environment, applications are delivered to end users on demand. You can review how individual applications are distributed to end users in the Summary - Application view. This view shows the usage of system resources for the selected Application. Use it to see the number of users that are using it, and to look more closely a individual application instances. A high number of users, for example, can lead to performance degradation, and should be investigated.
Figure 86. Summary - Application view
 
Table 8. Summary - Application view
Resource Utilizations
The minimum, maximum, and average values of CPU and memory utilization, network latency, and application instances, over the selected time range.
Figure 87. Resource Utilizations view
Related Items
The objects that are associated with the selected application and their alarm state.
Figure 88. Related Items view
Application Published Name
The name of the application published in your XenDesktop environment and the path to the application executable.
Figure 89. Application Published Name and Executable Name views
Executable Name
Sessions
General information about the current application sessions, such as the name of the user associated with it, client name, desktop name, additional session details, resource utilization, and latency.
Figure 90. Sessions view
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