Not too many people know about the intricacies of virtualization CPU scheduling and its impact on the performance of the VMs, so application owners out there – listen up! I’ve written about Ready Time (VMware ESXi) / Wait Time Per Dispatch (Microsoft Hyper-V) in the past, but a different challenge arises with VMs that have large vCPU count…
Year: 2016
Q&A: Multiple SQL Server Instances on a VM
I recently received a great question through email. It was whether or not it is a good idea to have multiple SQL Server instances on a single VM. This is a fun question and I thought I’d answer it here. The answer is the ubiquitous DBA answer – “It Depends“. Both pros and cons exist…