The 4th generation of the Intel Xeon Scalable Processors (codenamed Sapphire Rapids) was released early this year, and I've been trying to wrap my head around ... Read More...
There seems to be some misunderstanding about the new vSphere 8 CPU Topology Device Assignment feature, and I hope this article will help you understand (when ... Read More...
In the previous article "PCIe Device NUMA Node Locality" I covered the physical connection between the processor and the PCIe device briefly touched upon machi... Read More...
Sometimes you stumble across a brilliant Twitter thread, so good, that it should never be lost. Graham Sutherland (@gsuberland) helped the world in understandin... Read More...
Yesterday I tweeted out the warning message about the HT bug of Skylake and Kaby Lake processors posted on debian.org.
https://lists.debian.org/debian-devel/201... Read More...
Often I receive the question why a virtual machine is not receiving resources while the ESXi host is lightly utilized and is accumulating idle time. This behavi... Read More...
Lately the question about setting CPU affinity is rearing its ugly head again. Will it offer performance advantages for the virtual machine? Yes it can, but onl... Read More...
In part 1 of the series of post on the impact of oversized virtual machines NUMA architecture, memory overhead reservation and share levels are reviewed, part 2... Read More...
Most of my resource management articles focus more on the behavior of memory management than on CPU management. Mainly because the Memory scheduler within ESX i... Read More...
