[Beowulf] how fast can NFS run?
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Bruce Allen ballen at gravity.phys.uwm.eduTue Jan 31 20:13:21 PST 2006
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I'd like to know the fastest that anyone has seen an NFS server run, over either a 10Gb/s ethernet link or a handful of link aggregated (channel-bonded) Gb/s ethernet lines. This would be with a small number of clients making large file sequential reads from the same NFS host/server. Please assume that the NFS server has 'infinitely fast' disks. I am told by one vendor that "NFS can't run faster than 100MB/sec". I don't understand or believe this. If the server's local disks can read/write at 300MB/s and the networking can run substantially faster than 100 MB/s, I don't see any constraint to faster operation. But perhaps someone on this list can provide real-world data (or say why it can't work). Note: I am free to use modern versions of the NFS protocol, jumbo frames, large rsize/wsize, etc. Cheers, Bruce
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