NFS performance tuning?

[Xin LI]

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Lev Serebryakov wrote:
> Hello, Freebsd-net.
> 
>   I have two systems (7-Stable), connected with gigabit link. iperf
> shows 667 Mbits/sec on TCP and 600Mbit/s on UDP without any tuning.
> 
>   But NFS gives me only 17Mb/s (~136 Mbit/s) on sequential read of
> very big files, and about 8-10Mb/s on "real" workloads.
> 
>   Are here any guides how to tune NFS for performance?

rsize/wsize?  I think the current default (8192) is too smal, perhaps
262144 would be a better choice.


What I usually use is:

mount_nfs -3Tr 262144 -w 262144


- --
Xin LI <delphij at delphij.net>	http://www.delphij.net/
FreeBSD - The Power to Serve!
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