NFS - slow

Wojciech Puchar wojtek at wojtek.tensor.gdynia.pl
Wed May 16 05:40:13 UTC 2012


>> same. am i doing something wrong?
>
> I found NFSv4 to be much *slower* than NFSv3 on FreeBSD, when I
> benchmarked it a year or so ago.


both are just right in you read (NFSv4 taking a bit more CPU), and both 
are awful at writes.

for me now the only way to get NFS working well is to use unfsd with fsync 
commented out in sources. get very fast and not compliant with NFS 
protocol, which i don't care. i don't have database logs on NFS, but 
sometimes need to run non freebsd device without HDD and compile something 
using NFS disk.


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