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Microsoft Hyper-V Infrastructure

Microsoft Hyper-V Infrastructure

Monitor health and performance of the Hyper-V clusters, hosts and VMs.

Extension
Free trialDocumentation
Hyper-V top level dashboardFailover cluster overviewFailover cluster performance metricsHyper-V host overview
  • Product information
  • Release notes

Overview

This extension monitors performance of the Hyper-V fabric, tracking health, performance and resource utilization of the Hyper-V VMs, together with the context of their host and cluster resources. Hyper-V extension leverages PowerShell cmdlets and WMI to collect data from the Windows hypervisor, following best practices employed by Microsoft, as well as Dynatrace customers who contributed to validation of this extension in real-life situations.

This is intended for users, who:
Want to get full monitoring for their Hyper-V clusters, detect problems ahead of serious impact, and pinpoint the root cause in their virtualization and application layer, including:

  • Processor bottlenecks
  • Memory bottlenecks
  • Network bottlenecks
  • Storage bottlenecks
  • Dependent applications hosted on the Hyper-V cluster

Use cases

This extension enables you to:

  • Monitor health and performance of your Hyper-V cluster, using built-in analysis screens and easy-to-navigate dashboards
  • Make sure resources are split optimally between the virtual machines
  • Relate performance of the applications and VMs monitored with OneAgent to the underlying Hyper-V resources allotted to the VMs

Get started

This extension is executed by the OneAgent (local monitoring). To start, activate the extension in your environment using the in-product Hub, on every host the comprises the Hyper-V cluster. It means that all cluster host machines should have OneAgent already installed.

In confiuration settings, provide a Windows user account with at least the following permissions:

  • Hyper-V Administrators group
  • Read access to the cluster, check with Get-ClusterAccess
  • Read and Write access to the Windows TEMP directory

Details

Metrics collected:

  • VMs’ health
  • Memory usage
  • CPU utilization
  • Storage operations
  • Network traffic

This extension is built on top of the Extension Framework 2.0 and delivers:

  • Configuration required to drive the Hyper-V PowerShell cmdlets execution and scrape metrics from them
  • A Dashboard
  • Topology definitions
  • Unified Analysis screens

Compatibility information

This extension requires:

  • x64 OS with BIOS-activated virtualization:
    • Windows 10 Enterprise/Pro/Education
    • Windows Server 2016 or newer

Note on topological relationships between discovered Hyper-V VMs and OneAgent-monitored VM instances:

  • Starting with release 2.0.13, this extension maintains SAME_AS relationship between discovered VMs and OneAgent-monitored instances of the guest OS, using IP address as the join property.
  • This relationship enables:
    • Davis AI analytics to look together at metrics obtained by this extension and from OneAgent, to completely characterize monitored guest OS instances performance
    • Discovery and Coverage app to suggest which discovered VMs should be instrumented with OneAgent for full visibility into performance
  • This relationship works for known Windows guest OSes, but has limitations when guest OS is Linux. This limitation stems from the fact that on Hyper-V, Linux guest OS should be instrumented with the Microsoft's Linux Integration Service, while this service supports limited spectrum of the Linux distributions. See the link for details.

Q&A

Q: Should the extension should be deployed on every server(node) in Hyper-V cluster or it is enough to deploy it on single server which has access to Cluster details?

A: The extension needs to be enabled it on all the host (server/node) machines in the cluster. The extension collects metrics from the guest VMs running on each host.

Q: What is the DDU Consumption of this extension?

A: The formula for DDU consumption of the extension is:

  ( ( 3 * number of Clusters)
+ ( ( 9 * number of Hosts)
+ ( ( 6 * number of VMs)
+ ( ( 4 * number of Storage Devices)
+ ( ( 4 * number of Virtual Storage Devices)
+ ( ( 6 * number of NICs)
+ ( ( 6 * number of vNICs) ) * 525.6 DDUs/year

DDU cost above does not include any possible Log events or Custom events triggered by the extension. For more information on this, please visit the DDU log event cost and DDU custom event cost pages.

Dynatrace
DocumentationMore Information
By Dynatrace
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Extension content

Content typeNumber of items included
screen layout
7
list screen layout
7
screen injections
1
metric metadata
51
screen properties
2
screen chart groups
16
generic type
7
screen entities lists
11
alerts
10
metric query
9
dashboards
1
generic relationship
8

Feature sets

Below is a complete list of the feature sets provided in this version. To ensure a good fit for your needs, individual feature sets can be activated and deactivated by your administrator during configuration.

Feature setsNumber of metrics included
Metric nameMetric keyDescriptionUnit
Total Disk Sizehyperv.host.disk.total_size-Bytes
Available Disk Spacehyperv.host.disk.space_free-Bytes
Metric nameMetric keyDescriptionUnit
CPU Counthyperv.virtual_machine.cpu_count.gauge-Cores
CPU Reservehyperv.virtual_machine.cpu_reserve-Percent
CPU Utilizationhyperv.virtual_machine.cpu_utilizationCPU Utilization % relative to the hosts total capacity.Percent
Real CPU Utilizationhyperv.virtual_machine.real_cpu_utilizationCPU Utilization % as seen on the VMPercent
Total Memoryhyperv.virtual_machine.total_memory-Bytes
Used Memoryhyperv.virtual_machine.used_memory-Bytes
Memory Pressurehyperv.virtual_machine.memory_pressure-Percent
Metric nameMetric keyDescriptionUnit
Virtual Machine Counthyperv.host.virtual_machine_count.gauge-Count
Running Virtual Machine Counthyperv.host.running_virtual_machine_count.gauge-Count
Uptimehyperv.host.uptime-Seconds
Metric nameMetric keyDescriptionUnit
Network Bytes Senthyperv.virtual_machine.network_interface_card.bytes_sent-BytePerSecond
Network Bytes Receivedhyperv.virtual_machine.network_interface_card.bytes_received-BytePerSecond
Network Bytes Transferredhyperv.virtual_machine.network_interface_card.bytes_transferred-BytePerSecond
Metric nameMetric keyDescriptionUnit
Total Memoryhyperv.host.total_memory-KiloByte
Available Memoryhyperv.host.available_memory-KiloByte
Metric nameMetric keyDescriptionUnit
Total Disk Spacehyperv.virtual_machine.storage_device.total_disk_space-Byte
Used Disk Spacehyperv.virtual_machine.storage_device.used_disk_space-Byte
Metric nameMetric keyDescriptionUnit
Network Packets Senthyperv.virtual_machine.network_interface_card.packets_sent-PerSecond
Network Packets Receivedhyperv.virtual_machine.network_interface_card.packets_received-PerSecond
Network Packets Transferredhyperv.virtual_machine.network_interface_card.packets_transferred-PerSecond
Metric nameMetric keyDescriptionUnit
CPU Utilizationhyperv.host.cpu_utilization-Percent
Logical CPU Counthyperv.host.logical_cpu_count.gauge-Cores
Physical CPU Counthyperv.host.physical_cpu_count.gauge-Cores
CPU Reservehyperv.host.cpu_reserve-Percent
Metric nameMetric keyDescriptionUnit
Total Spacehyperv.cluster_shared_volume.total_space-Byte
Used Disk Spacehyperv.cluster_shared_volume.used_space-Byte
Available Disk Spacehyperv.cluster_shared_volume.free_space-Byte
Metric nameMetric keyDescriptionUnit
Network Packets Senthyperv.host.network_interface_card.packets_sent-BytePerSecond
Network Packets Receivedhyperv.host.network_interface_card.packets_received-BytePerSecond
Network Packets Transferredhyperv.host.network_interface_card.packets_transferred-BytePerSecond
Metric nameMetric keyDescriptionUnit
Disk Read Ratehyperv.virtual_machine.storage_device.read_rate-PerSecond
Disk Write Ratehyperv.virtual_machine.storage_device.write_rate-PerSecond
Metric nameMetric keyDescriptionUnit
Disk Read Ratehyperv.host.disk.read_rate-PerSecond
Disk Write Ratehyperv.host.disk.write_rate-PerSecond
Metric nameMetric keyDescriptionUnit
Network Bytes Senthyperv.host.network_interface_card.bytes_sent-BytePerSecond
Network Bytes Receivedhyperv.host.network_interface_card.bytes_received-BytePerSecond
Network Bytes Transferredhyperv.host.network_interface_card.bytes_transferred-BytePerSecond

Related to Microsoft Hyper-V Infrastructure

Microsoft Hyper-V Virtual Machines logo

Microsoft Hyper-V Virtual Machines

Monitor Microsoft Hyper-V virtual machines from the guest OS perspective.

Full version history

To have more information on how to install the downloaded package, please follow the instructions on this page.
ReleaseDate

Full version history

Patch level changes

  • fixed CPU utilization metric readouts that were artificially inflated for multicore processors

Full version history

New features:

  • Added Real CPU Utilization metric

Patch level changes:

  • Fixed slow memory leak showing up in some environments where PowerShell calls were not cleared entirely after each execution due to race conditions

Full version history

Patch level changes:

  • Changed way of reading the cluster name to PowerShell instead of WMI - to address an issue with access permissions

Full version history

New features

  • Generate a log event when a VM is moved between hosts

Patch level changes

  • Fixed issue with multiple threads modifying the same list of VMs
  • Improve error handling for WMI queries

Full version history

Patch level changes:

  • Added ability to set a debug log level and the collection frequency
  • A fix for an incorrect count of VMs on one of the UA screens

Full version history

Patch level changes:

  • Fix locks that hindered performance and clean up the VM stats

Full version history

Enhancements:

  • Added option to use the credential vault to manage user credentials required by the extension

Patch level changes:

  • Split VM collection into 3 separate "query" methods to improve execution time
  • Added sourceEntityType for all metrics

Full version history

Fixed alert json for func: metrics since they were using metricId instead of metricSelector.

Full version history

Added SAME_AS relationship between discovered VMs and OneAgent-monitored instances of the guest OS, using IP address as the join property. This relationship enables:

  • Davis AI analytics to look together at metrics obtained by this extension and from OneAgent, to completely characterize monitored guest OS instances performance
  • Discovery and Coverage app to suggest which discovered VMs should be instrumented with OneAgent for full visibility into performance

Stated the requirement that Windows user account who runs the extension requires Read and Write access to the Windows TEMP directory.

Full version history

This release introduces an important change: Hyper-V extension requires local activation now (i..e. activation on an OneAgent-instrumented host).

Previous releases allowed remote installation (i.e. activation on an ActiveGate), but because of Hyper-V specifics, this very often caused permission issues that severely limited extension functionality and weren't solvable. So anyway - we have been advising you to move to local activation. Now it's the only way to activate this extension.

Additionally, this release fixes some issues with filtering monitored entities.

Full version history

Fixed reporting of the rate metrics and occasional issues with metric extraction from nested environments.

Full version history

Fixed a bug affecting extension activation under certain conditions. Extension logs on affected systems reported "AttributeError: 'dict' object has no attribute 'feature_sets' "

Full version history

Release notes
Release 2.0.0

  • Extension has been re-written to leverage PowerShell cmdlets instead of WMI metric retrieval
  • PowerShell cmdlets enable the extension to retrieve focused metrics that are essential to Hyper-V performance monitoring
  • PowerShell cmdlets are instantiated using Python runtime, to control execution and assure required permissions to access specifc metric counters
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