NFS limited to 4K reads/writes
NFS limited to 4K reads/writes
- Subject: NFS limited to 4K reads/writes
- From: Andrew Gallatin <email@hidden>
- Date: Thu, 31 Jan 2002 11:52:26 -0500 (EST)
I was playing around with NFS. Darwin seems to perform well as a
server, but its performance leaves a lot to be desired as a client
because it appears to crippled by a 4k read and write size
limit. (verified w/tcpdump). I can reduce the size with mount_nfs,
but I cannot increase it over 4K
By poor performnace, I mean that Darwin reads at 12MB/sec over a
2Gb/sec link. Tru64 and FreeBSD can both read at 50MB/sec. (this is
from a file warm in the server's cache; no disk I/O). Darwin performs
just as well as the competition when its the server...
Any chance of this 4K limit being lifted?
Drew