Saturday, December 1, 2012

Wondered why Amazon ec2 virtual machine instances were so fast?

Read an article that said that they used Xen Hypervisor
http://www.codinghorror.com/blog/2006/05/virtualization-and-ring-negative-one.html
 
Take a look at Xen. It's interesting because it offers better performance than traditional
virtualisation systems by modifying both host OS and guest OS. It's really interesting to learn about
its optimisation techniques.
http://download.intel.com/design/intarch/PAPERS/325258.pdf
http://www.codinghorror.com/blog/2006/10/the-single-most-important-virtual-machine-performance-tip.html
http://www.codinghorror.com/blog/2005/02/virtual-pc-2004-tips.html
http://searchservervirtualization.techtarget.com/feature/Xen-vs-KVM-Linux-virtualization-hypervisors
Apparently KVM is going to be the upcoming technology.

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