AMD is gaining popularity in the server market with the EPYC CPU platform. The EPYC CPU platform provides a high core count and a large memory capacity. If you... Read More...
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 configura... Read More...
The Intel Xeon Scalable Family introduces a new platform (Purley). The most prominent change regarding system design is the memory subsystem.
More Memory Bandwi... Read More...
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 In... Read More...
On a regular basis, I receive the question if CPU Hot-add impacts CPU performance of the VM. It depends on the vCPU configuration of the VM. CPU Hot-Add is not ... Read More...
ESXi Server is optimized for NUMA systems and contains a NUMA scheduler and a CPU scheduler. When ESXi runs on a NUMA platform, the VMkernel activates the NUMA ... Read More...
If a cache miss occurs, the memory controller responsible for that memory line retrieves the data from RAM. Fetching data from local memory could take 190 cycle... Read More...
When people talk about NUMA, most talk about the RAM and the core count of the physical CPU. Unfortunately, the importance of cache coherency in this architectu... Read More...
Reviewing the physical layers helps to understand the behavior of the CPU scheduler of the VMkernel. This helps to select a physical configuration that is optim... Read More...
