3 ms·
c1.xlarges are thought to be effectively the only VM on a machine. I can't dig up the article that proposed the methodology for determining offhand. c1.xlarges
by Xorlev 14y ago
c1.xlarges are thought to be effectively the only VM on a machine. I can't dig up the article that proposed the methodology for determining offhand.
c1.xlarges still underperform far under what I'd expect.
- sliverstorm 14y agoAre VMs ever really performant?
- Xorlev 14y agoCompared to the 26 ECU m3.2xl, the 20 ECU c1.xl underperforms it by 3x (basic web, JSON struct) in my tests.
- corresation 14y agoModern hypervisors have an overhead as low as 2%, so yes, they absolutely are. It is often worth virtualizing simply for the flexibility/management that it bring, even if it's a single virtual machine on a very large box.