NUMA Node Balancing

For those of you running Hyper-V on NUMA (Non-Uniform Memory Architecture) based platforms (such as HP’s DL785), this blog presents a tuning suggestion for how to fine tune the placement of virtual machine (VM) on to a specific NUMA node.   Every VM in Hyper-V has a default NUMA node preference. Hyper-V uses this NUMA…


File Server Capacity Tool (FSCT) 1.0

What is “FSCT”? New builds of Microsoft Windows are produced almost every day for internal development and testing. In order to detect performance regressions as soon as possible, those builds have to be evaluated and compared to their predecessors as well as previous public releases. A range of performance tests are used for these comparisons,…


High Speed Networking Deployment Guide Released

Loyal readers – many of the performance questions we get in the Windows Server Performance team pertain to networking. We’ve described several networking performance features and applicable scenarios in previous posts and in our tuning guides. We wanted to inform you that an incredibly useful white paper was recently published from our friends in the High Speed…


Interpreting CPU Utilization for Performance Analysis

CPU hardware and features are rapidly evolving, and your performance testing and analysis methodologies may need to evolve as well. If you rely on CPU utilization as a crucial performance metric, you could be making some big mistakes interpreting the data. Read this post to get the full scoop; experts can scroll down to the…


Performance Tuning Guidelines for Windows Server 2008 R2 Released

With Windows Server 2008 R2 almost at RTM, a new tuning guide has been released. It can be found here. And don’t forget the Windows Server 2008 Turning Guide is still availiable and has recently been refreshed for SP2. Windows Server Performance Team