Memory

(Alternative) VM swap file locations Q&A

Lately I have received a couple of questions about Swap file placement. As I mentioned in the article “Storage DRS and...
frankdenneman
3 min read

Mem.MinFreePct sliding scale function

One of the cool “under the hood” improvements vSphere 5 offers is the sliding scale function of the Mem.MinFreePct. Before diving...
frankdenneman
2 min read

Re: impact of large pages on consolidation ratios

Gabe wrote an article about the impact of large pages on the consolidation ratio, I want to make something clear before...
frankdenneman
41 sec read

Impact of oversized virtual machines part 3

In part 1 of the series of post on the impact of oversized virtual machines NUMA architecture, memory overhead reservation and...
frankdenneman
4 min read

Disable ballooning?

Recently, Paul Meehan submitted this question via a comment on the “Memory reclamation, when and how” article: Hi, we are currently...
frankdenneman
4 min read

Memory reclamation, when and how?

After discussing with Duncan the performance problem presented by @heiner_hardt , we discussed the exact moment the VMkernel decides which reclamation...
frankdenneman
1 min read

Reservations and CPU scheduling

Most of my resource management articles focus more on the behavior of memory management than on CPU management. Mainly because the...
frankdenneman
4 min read

Virtual Machine memory overhead

Every virtual machine running on an ESX host consumes some memory overhead additional to the current usage of its configured memory....
frankdenneman
1 min read

Re: Swapping

Recently we had a discussion about swapping, as Duncan mentioned in his article “Swapping” Swapped memory might not have impact on...
frankdenneman
1 min read

Resource pools memory reservations

After publishing the article “impact of memory reservations” I received a lot of questions about setting memory reservation at resource pool...
frankdenneman
4 min read