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I think he is contrasting VPS service to shared hosting services like Go Daddy or one of the many cPanel providers. Unless a VPS is using OpenVZ, the box isn't

by ajosh 10y ago

I think he is contrasting VPS service to shared hosting services like Go Daddy or one of the many cPanel providers. Unless a VPS is using OpenVZ, the box isn't over provisioned. A cPanel host is usually very over provisioned. 500 customers per server wss not uncommon 10 years ago.

neoCrimeLabs 10y ago
With a Linux host, you can oversubscribe KVM guests, and I'm starting to see it more frequently. Still haven't seen as bad as shared hosts, however. Kernel Same-Page Merging allows you to de-dup common pages across virtual hosts (such as kernel) for example. http://www.linux-kvm.org/page/KSM http://www.linux-kvm.org/page/KSM