VMware Virtual SMP: the more not always is the better

An interesting post from vmware.com performance blog about the scheduler of VMware ESX and the so called “Simultaneous scheduling”.

It’s an ineresting proof of the fact that adding more vCPU to a VM not always take you the expected benefit.

As an aside note, in this post there are interesting considerations about the scalability in term of performance of Web servers.

((enjoy))