Re: NFS limited to 4K reads/writes
1 Feb
2002
1 Feb
'02
3:55 p.m.
Am Freitag den, 1. Februar 2002, um 06:53, schrieb Andrew Gallatin: Trust me -- its the NFS read/write size that's killing perf, or at least making a major contribution to it. If I cut the read/write size down to 4k on the FreeBSD host, the read bandwidth drops in half from 50MB/sec to 25MB/sec: Given the details... it sounds like the same limitation that AppleTalk had at 500 byte packets being sent over a 1500 byte ethernet channel... You indicated your packet size on the wire was about 9000 so obviously one could take twice as much data per packet setup time, than the 4K which you indicate NFS seems to be limited at.
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John Clark