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by hinkley
1386 days ago
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When I worked for a National Supercomputing Center, I discovered that they had a distributed filesystem called Andrew Filesystem (AFS) which they used for archival purposes. With every new generation of distributed filesystem I always wondered why the older ones failed. It wasn't until maybe 10 years ago that I finally got my answer: It turns out that Amdahl's Law kills AFS. There's a total throughput wall that becomes very painfully visible once you move to gigabit networking, and any one client can pretty much saturate the network. |
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