Improved Memory Overcommitment handling in vSphere 6.0

Large-Pages

Before I jump onto this topic, I want to highlight about Large Pages in VMware vSphere ESXi hosts. Setting the stage VMware ESXi provides 2MB memory pages, commonly referred to as “large pages” along with usual 4KB memory pages. ESXi Continue reading Improved Memory Overcommitment handling in vSphere 6.0

vCD Elastic Allocation Pool FUD is back

  Problem Statement With Allocation Pool VDC and with 100% memory reservation, we still cannot use the entire VM memory reservation allocated. This is due to the “by design” problem of having VM memory overhead in vSphere. That means if Continue reading vCD Elastic Allocation Pool FUD is back

Few Memory Performance Metrics does not always indicate Performance Problem

This post is the result of an internal discussion. We were discussing when memory performance degrades what to monitor to understand it is under pressure. Lot of time we assume that some popular metric would be better to monitor memory Continue reading Few Memory Performance Metrics does not always indicate Performance Problem