Kernel 2.6.30 is a Go

I initially thought this would be a rather uninteresting release, especially when we learned Xen dom0 didn't make the cut. Following the changelog line-by-line, this one still didn't seem very interesting to me. But analyzing the sum of parts, I have to consider 2.6.30 a 'golden' kernel -- certainly …

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FS-Cache merged in Kernel 2.6.30

FS-Cache has been merged into the upcoming kernel 2.6.30. This allows for a generic caching interface in the kernel for other file systems. For example, you can use local hard disks to cache data accessed via NFS, AFS, or CD-Rom. Since these tend to be high-latency while the …

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Good Linux File System Developments

ext4 has sparked good controversy on the LKML. Aside from the recent delayed alloc and fsync issues, the whole FS stack is getting some much needed attention. Indeed, Linux file systems are starting to feel like first class citizens again with ext4 and Btrfs (merged in 2.6.29 for …

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I dream of pervasive virtualization...

I dream of a day where virtualization is pervasive.

Instead of thinking about services in terms of servers, CPUs or directly mapped resources, I should be able to to add virtual machines in terms of guaranteed throughput rate over a whole grid. Scaling out should be as easy as adding …

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