Microsoft Hyper-V Infrastructure

Microsoft Hyper-V Infrastructure

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

Extension

Free trial Documentation

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, simply activate the extension in your environment using the in-product Hub, and 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: 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.

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Extension content

Content typeNumber of items included

screen layout

7

list screen layout

7

screen injections

1

screen properties

2

screen entities lists

11

generic type

7

screen chart groups

16

alerts

10

metric query

9

dashboards

1

generic relationship

8

metric metadata

50

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 name	Metric key	Description	Unit
Network Packets Sent	hyperv.virtual_machine.network_interface_card.packets_sent	-	PerSecond
Network Packets Received	hyperv.virtual_machine.network_interface_card.packets_received	-	PerSecond
Network Packets Transferred	hyperv.virtual_machine.network_interface_card.packets_transferred	-	PerSecond

Metric name	Metric key	Description	Unit
CPU Utilization	hyperv.host.cpu_utilization	-	Percent
Logical CPU Count	hyperv.host.logical_cpu_count.gauge	-	Cores
Physical CPU Count	hyperv.host.physical_cpu_count.gauge	-	Cores
CPU Reserve	hyperv.host.cpu_reserve	-	Percent

Metric name	Metric key	Description	Unit
Total Space	hyperv.cluster_shared_volume.total_space	-	Byte
Used Disk Space	hyperv.cluster_shared_volume.used_space	-	Byte
Available Disk Space	hyperv.cluster_shared_volume.free_space	-	Byte

Metric name	Metric key	Description	Unit
Network Packets Sent	hyperv.host.network_interface_card.packets_sent	-	BytePerSecond
Network Packets Received	hyperv.host.network_interface_card.packets_received	-	BytePerSecond
Network Packets Transferred	hyperv.host.network_interface_card.packets_transferred	-	BytePerSecond

Metric name	Metric key	Description	Unit
Disk Read Rate	hyperv.virtual_machine.storage_device.read_rate	-	PerSecond
Disk Write Rate	hyperv.virtual_machine.storage_device.write_rate	-	PerSecond

Metric name	Metric key	Description	Unit
Disk Read Rate	hyperv.host.disk.read_rate	-	PerSecond
Disk Write Rate	hyperv.host.disk.write_rate	-	PerSecond

Metric name	Metric key	Description	Unit
Network Bytes Sent	hyperv.host.network_interface_card.bytes_sent	-	BytePerSecond
Network Bytes Received	hyperv.host.network_interface_card.bytes_received	-	BytePerSecond
Network Bytes Transferred	hyperv.host.network_interface_card.bytes_transferred	-	BytePerSecond

Metric name	Metric key	Description	Unit
Total Disk Size	hyperv.host.disk.total_size	-	Bytes
Available Disk Space	hyperv.host.disk.space_free	-	Bytes

Metric name	Metric key	Description	Unit
CPU Count	hyperv.virtual_machine.cpu_count.gauge	-	Cores
CPU Reserve	hyperv.virtual_machine.cpu_reserve	-	Percent
CPU Utilization	hyperv.virtual_machine.cpu_utilization	-	Percent
Total Memory	hyperv.virtual_machine.total_memory	-	Bytes
Used Memory	hyperv.virtual_machine.used_memory	-	Bytes
Memory Pressure	hyperv.virtual_machine.memory_pressure	-	Percent

Metric name	Metric key	Description	Unit
Virtual Machine Count	hyperv.host.virtual_machine_count.gauge	-	Count
Running Virtual Machine Count	hyperv.host.running_virtual_machine_count.gauge	-	Count
Uptime	hyperv.host.uptime	-	Seconds

Metric name	Metric key	Description	Unit
Network Bytes Sent	hyperv.virtual_machine.network_interface_card.bytes_sent	-	BytePerSecond
Network Bytes Received	hyperv.virtual_machine.network_interface_card.bytes_received	-	BytePerSecond
Network Bytes Transferred	hyperv.virtual_machine.network_interface_card.bytes_transferred	-	BytePerSecond

Metric name	Metric key	Description	Unit
Total Memory	hyperv.host.total_memory	-	KiloByte
Available Memory	hyperv.host.available_memory	-	KiloByte

Metric name	Metric key	Description	Unit
Total Disk Space	hyperv.virtual_machine.storage_device.total_disk_space	-	Byte
Used Disk Space	hyperv.virtual_machine.storage_device.used_disk_space	-	Byte

Related to Microsoft Hyper-V Infrastructure

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:

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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