by David | Jan 8, 2014 | Best Practices, Cloud, Performance, Technology, Virtualization
For those of you with your mission-critical servers already virtualized on a VMware-based virtual infrastructure, are you using the VMware Paravirtual SCSI driver to boost your I/O performance by an average of 12%? I use it for all of my I/O intensive virtual...
by David | Dec 30, 2013 | Cloud, Performance, SQL Server, Technology, Virtualization
Jonathan Kehayias (b | t ) posted a fantastic write up today on VMware’s vNUMA interactions when the operating system feature ‘CPU hot plug’ is enabled over at SQLPerformance.com. I’ve been mulling around ideas for a similar post but he...
by David | Dec 2, 2013 | Best Practices, Performance, SQL Server, Technology, Virtualization
A wonderful gentleman who attended my SQL PASS Summit session this year recently emailed me and asked me a great question about optimal setup for SQL Server virtual machine vCPU and vNUMA configurations. I thought about the question and realized that while the session...
by David | Nov 14, 2013 | Technology, Virtualization
Jonathan Keyahias (b | t | l) from SQLskills has released a new blog post outlining the metric that Microsoft’s Hyper-V product uses to measure the time taken in a virtual CPU’s runnable task queue at the hypervisor level. It is the equivalent to...
by David | Nov 4, 2013 | Best Practices, Performance, SQL Server, Technology, Virtualization
Two weeks ago I presented my session entitled “Squeezing Top Performance from Your Virtualized SQL Server” at the SQL PASS Summit in Charlotte, North Carolina. One comment that I made during my presentation that seemed to spark some debates is how I...
by David | Sep 3, 2013 | Business, Cloud, Events, Performance, Personal, Professional Development, SQL Server, Storage, Technology, User Groups, Virtualization
If you live life in the manner that I do, life is all about change and self-improvement. To me, life in technology means constantly keeping up with the exceptionally rapid evolution of the IT industry. This constant change has helped drive me personally and...