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Xen Kernel


Identifying resource usage and performing migration to address performance issues in a Xen server virtualization environment

Identifying resource usage and performing migration to address performance issues in a Xen server virtualization environment

When Netflix faced an outage in 2011, they had to offer a 3% credit to their customers. The outage was due to a resource crunch in the Amazon cloud they were hosted in. It’s tough for a business to survive if such outages happen frequently.

A cloud hosting provider achieves economies of scale by sharing resources between multiple tenants in the cloud. These resources include computing, storage and network devices. But at times, the cloud provider may oversell the resources to achieve high-density or a single tenant can abuse the server resources. This can affect the performance of the cloud system. (more…)

Welcome Linux 3.0

Not every day would a Linux lover celebrate, but here is a moment of celebration marked by a Kernel release. Lets say Good Bye to the 2.6 series of kernel, and join this milestone achievement’s celebrations…

Linux is now 20 years old, and the move to the 3.0 kernel is just another way to mark the presence. The role of Linux in the world of hosting is enormous, as each Linux enthusiast would feel special of this moment. (more…)