Public Speaking Schedule

The VMUG season has started, and I have a few speaking sessions at various events. I thought it might be convenient to list the events and topics: Date: February, 22 Organization: North East UK VMUG Location: Newcastle Topic: VMware Cloud on AWS from a resource management perspective Date: March, 7 Organization: … [Read more...]

Virtually Speaking Podcast #67 Resource Management

Two weeks ago Pete Flecha (a.k.a. Pedro Arrow) and John Nicholson invited me to their always awesome podcast to talk about resource management. During our conversation, we covered both on-prem and the features of VMware Cloud on AWS that help cater the needs of your workload. Being a guest on this podcast is an … [Read more...]

vSphere 6.5 DRS and Memory Balancing in Non-Overcommitted Clusters

DRS is over a decade old and is still going strong. DRS is aligned with the premise of virtualization, resource sharing and overcommitment of resources. DRS goal is to provide compute resources to the active workload to improve workload consolidation on a minimal compute footprint. However, virtualization surpassed … [Read more...]

Explainer on #Spectre & #Meltdown by Graham Sutherland

Sometimes you stumble across a brilliant Twitter thread, so good, that it should never be lost. Graham Sutherland (@gsuberland) helped the world in understanding the Spectre and Meltdown bugs. I’m publishing his tweet thread in text form as this is just the best explanation of the bugs I’ve seen. Please … [Read more...]

Free vSphere 6.5 Host Resources Deep Dive E-Book

In June of this year, Niels and I published the vSphere 6.5 Host Resources Deep Dive, and the community was buzzing. Twitter exploded, and many community members provided rave reviews. This excitement caught Rubriks attention, and they decided to support the community by giving away 2000 free copies of the printed … [Read more...]

What if the VM Memory Config Exceeds the Memory Capacity of the Physical NUMA Node?

This week I had the pleasure to talk to a customer about NUMA use-cases and a very interesting config came up. They have a VM with a particular memory configuration that exceeds the ESXi host NUMA node memory configuration. This scenario is covered in the vSphere 6.5 Host Resources Deep Dive, excerpt below. Memory … [Read more...]

A vSphere Focused Guide to the Intel Xeon Scalable Family – Memory Subsystem

The Intel Xeon Scalable Family introduces a new platform (Purley). The most prominent change regarding system design is the memory subsystem. More Memory Bandwidth and Consistency in Speed The new memory subsystem supports the same number of DIMMs per CPU as the previous models. However, it’s wider and less … [Read more...]

A vSphere Focused Guide to the Intel Xeon Scalable Family

Intel released the much-anticipated Skylake Server CPU this year. Moving away from the E5-2600-v moniker, Intel names the new iteration of its server CPU the Intel Xeon Scalable Family. On top of this it uses precious metal categories such as Platinum and Gold to identify different types and abilities. Upholding the … [Read more...]

VMware Cloud on AWS Technical Overview

Yesterday we launched the VMware Cloud on AWS service. VMware Cloud on AWS allows you to run your applications across private, public, and hybrid cloud environments based on VMware vSphere, with optimized access to AWS services. The Cloud SDDC consists of vSphere, NSX and vSAN technology to provide you a familiar … [Read more...]

Get your Free Book at VMworld

At VMworld, the presenters of the following sessions will be giving away free copies of the Host Deep Dive book to the audience. Saturday Performance Bootcamp Mark Achtemichuk Saturday, Aug 26, 8:00 a.m. – 5:00 p.m. More information about pre-VMworld Performance Bootcamp Sunday An Introduction to VMware … [Read more...]