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    Citrix Virtual Apps & Desktops: Hypervisor Host

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    Tier3
    • Updated

    The Hypervisor Host tab provides insight into the resource utilization of the hypervisor host supporting the virtual machine session host for the time-frame of the user’s session.  At times, a user’s experience with a poorly performing Desktop\Server can be traced back to the host or storage that desktop\server is running on.

    Figure 1: Hypervisor Host tab
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    Host Resource Summary

    The host resources are displayed to provide an at-a-glance overview of resource usage on the machine.

    Figure 2: Host Resourcesmceclip1.png

    • CPU Percentage: Current and historical CPU load for the virtual machine.
    • Memory: Current and historical memory usage foe the virtual machine.
    • Host Network: Host network transmit and receive rates.
    • Storage Latency: The measure of the time required for a system to process a single storage transaction or data request.
    • Storage IOPS: The amount of read write operations performed per second.
    • Storage Throughput: The measurement of the average number of megabytes transferred within a period for a specific file size.

    How to Troubleshoot:

    This section helps you determine if your hosts or storage are oversubscribed. High CPU and Memory will affect all virtual machine sessions on the displayed host. Make sure your user’s virtual machines are balanced across all available hosts and if necessary, set policies to power off virtual machines not in use to reduce the load on your hosts.

    The storage sections will point out bottlenecks in storage communication that may be affecting your user’s sessions. Storage latency is the biggest factor to take into account, but you’ll want to know IOPS and Throughput to get an idea on what’s causing your latency.

     

     

    Storage Repository Usage

    This section shows the amount of storage that’s available to the host for the top datastores it is attached to.

    Figure 3: Storage Repository Usage graphs
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    Virtual Machines

    This section shows the utilization of other virtual machines on the current host.

    Figure 4: Virtual Machines table
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    How to Troubleshoot:

    This information could be key in discovering where your resources are being used. In some cases, you may find that a few machines are using most of your host’s resources. This gives you the opportunity to focus on those virtual machines rather than the user’s virtual machine.

     

     

     

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