However, Hyper-V Dynamic Memory also has a number of disadvantages, which can negatively affect VM memory performance. Cost-efficiency as VM resources are not wasted.Enhanced reliability for restart operations with the help of Hyper-V Smart Paging.Higher consolidation numbers due to the more efficient use of memory resources.Efficient memory distribution, as you can dynamically assign more or less memory to the running VM.Reduced memory consumption, as the VM uses only the amount of memory that it actually needs within the limits set by an administrator.Hyper-V Dynamic Memory is a useful feature which offers a lot of advantages, such as: Advantages and Disadvantages of Hyper-V Dynamic Memory NAKIVO Backup & Replication delivers high-end data protection for SMBs and enterprises with multiple backup, replication and recovery features, including VMware Backup, Hyper-V Backup, Office 365 Backup and more. As a result, you have more granular control over memory usage and enhanced resource optimization. Physical memory can be efficiently and dynamically assigned to the VM on an as-needed basis and with minimal performance impact. With Hyper-V Dynamic Memory, you can specify the amount of startup memory that the VM can use, set the range of available physical memory for a specific VM, and determine the VM’s priority for memory allocation. This functionality reclaims a part of unused memory from VMs that don’t need it at that particular moment and then reassigns the reclaimed memory to other VMs that actually require it. Hyper-V Dynamic Memory is a feature that allows you to dynamically allocate memory resources to the VMs running in Hyper-V environments. Using Hyper-V Dynamic Memory only with compatible applications.Enabling Hyper-V Dynamic Memory when it is actually required.Detecting performance changes throughout the course of the day.Carefully setting the Memory buffer value.
Configuring the Maximum and Minimum RAM values.Monitoring memory usage and resource allocation.
Today’s blog post includes a full overview of the following Hyper-V Dynamic Memory Best Practices: Thus, it is reasonable that static memory allocation had to be replaced with dynamic memory allocation and the Hyper-V Dynamic Memory feature was introduced.
Moreover, the amount of available VM memory could be changed only when the VM was turned off. Prior to its release, a Hyper-V virtual machine (VM) would start and run with the full amount of RAM assigned to it, which resulted in memory overuse and affected overall VM performance.
Hyper-V Dynamic Memory was first introduced in Windows Server 2008 R2 with SP1. By Jessie Reed Full Overview of Hyper-V Dynamic Memory Best Practices