Foglight for Citrix XenDesktop and XenApp 5.7.2

The Monitor tab visualizes the main components in the selected session and their connectivity. This can help you understand the effect of these components may have on your system. These metrics are typically collected by NetScaler agents. However, if NetScaler data is not available, you can collect session metrics directly from the host, if you selected the Collect Session metrics when NetScaler data not available option in the XenDesktop Discovery Wizard. For more information about the XenDesktop Discovery Wizard, see Discovering XenDesktop sites .

When you collect session metrics directly from the host, the Monitor tab can help you understand how well the monitored system responds to client requests in a selected session. It also provides some basic session information, such as the session name, state, catalog name, logon duration, support type, and the delivery group to which it belongs.

Figure 133. XenDesktop Explorer: Monitor tab (host data)

Table 15. XenDesktop Explorer: Monitor tab (host data)

Session Basic Information

General information about the session, such as its name, state, catalog name, logon duration, support type, and the delivery group to which it belongs.

Figure 134. Session Basic Information view

Session Performance Details

A monitoring dashboard that visualizes the main components in the selected session and their connectivity. This can help you understand the effect of these components may have on your system. Along with displaying the client, WAN latency metrics, and the application or desktop server, this intuitive view connects these elements with a series of graphical flows illustrating the transmission of the session data. For example, you can review the rates of data and flowing between the client, and the application or desktop server, and identify any signs of potential network congestion that may affect your system.

Figure 135. Session Performance Details view

Client: This embedded view shows the name and IP address of the machine accessing your XenDesktop environment. It also displays the following information:

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User: The name of the XenDesktop user.

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Broker Runtime: The amount of time the connection broker process has been running during its most recent connection attempt.

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Broker Started: The amount of time that has passed since the broker process for the first time.

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Connection Runtime: The date and time when the connection broker process has connected during its most recent connection attempt.

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Connection Established: The date and time when the connection broker process has established the connection for the first time.

WAN Latency: This embedded view shows the WAN latency rates over the selected time period and the data transfer rates between the client and the server in each direction, for the selected session.

Server: This embedded view shows the name and IP address of the XenDesktop server machine hosting the application or desktop associated with the selected session. It also displays the following information:

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OS: The name and version of the OS running on the server.

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Host Type: The type of the host (Physical or Virtual) on which the XenDesktop server is running.

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Type: The session type (Application or Desktop).

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Protocol: The remote display protocol (for example, HDX).

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Host Server: The IP address of the host machine on which the server is running.

Desktop tab

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 on the Desktop tab. This tab shows the usage of system resources for the desktop associated with the selected session. 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 136. XenDesktop Explorer: Desktop tab

Table 16. XenDesktop Explorer: Desktop tab
CPU	The CPU Load spinner indicates 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 137. Virtual desktop CPU view
Memory	The Memory spinner indicates 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 138. Virtual desktop Memory view
Datastore I/O	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 139. Virtual desktop Datastore view
Network I/O	The Network I/O spinner indicates 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 140. Virtual 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 141. Sessions view

Storage tab

The Storage tab displays a combination of embedded views illustrating the storage capacity available to the datastores associated with the selected session. It identifies the datastores associated with the selected virtual machine and shows performance metrics associated with each datastore.

Figure 142. XenDesktop Explorer: Storage tab

Table 17. XenDesktop Explorer: Storage tab
Datastores Connected To	Name	The datastore name and its alarm status.
	I/O	The datastore data transfer rates associated with the physical host.
	Latency	The datastore latency.
	Available Space	The amount of available space on the datastore.
	Datastore, Avg/Peak Latency	The average and peak latency rates for the selected datastore.
	Physical host, Avg/Peak Latency	The average and peak latency rates for the physical host.
Datastore Performance	Disk/Extent	Name	The name of the disk associated with the datastore.
		Read	The read rate of the disk associated with the datastore.
		Write	The write rate of the disk associated with the datastore.
	Target Datastore List	Name	The name of the target datastore.
		I/O	The data transfer rate of the target datastore.
		Latency	The data transfer latency of the target datastore.
	I/O Distribution	A pie chart indicating how much the selected virtual machines contributes to the overall use of I/O resources.
	VM Offenders	Name	The name of the virtual desktop.
		ESX Host Name	The name of the ESX host on which the virtual desktop is running.
		I/O	The data transfer rate for the virtual desktop.

User tab

The User tab displays set of graphs that illustrate the rates of the selected session's data packet retransmission and transfer rates on the client and server side. In general, consistently high values in the graphs may indicates the signs of potential bottlenecks and should be investigated.

Figure 143. XenDesktop Explorer: User tab

Table 18. XenDesktop Explorer: User tab
Client-Side Packet Retransmission	The number of times data packets are re-sent from the virtual desktop client after being lost or damaged over the selected time range. High data retransmission rates are typically caused by network congestion. Figure 144. Client-Side Packet Retransmission view
Server-Side Packet Retransmission	The number of times data packets are re-sent from the XenDesktop site after being lost or damaged over the selected time range. Figure 145. Server-Side Packet Retransmission view
Client-Side Data Transfer Rate	The rate at which the virtual desktop client receives and sends data packets over the selected time range. Figure 146. Client-Side Data Transfer Rate view
Client-Side Data Receive Rate	The rate at which the virtual desktop client receives data packets over the selected time range. Figure 147. Client-Side Data Receive Rate view
Client-Side Data Send Rate	The rate at which the virtual desktop client sends data packets over the selected time range. Figure 148. Client-Side Data Send Rate 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 149. Sessions view

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Foglight for Citrix XenDesktop and XenApp 5.7.2 - User Guide

Monitor tab (host data)

Desktop tab

Storage tab

User tab