> > > > Anyway, I guess we need to measure and improve if necessary.
> > > 
> > > ok, i'll do some benchmarks for nfs when i have enough time.
> > > (hopefully this weekend)
> > > i guess there're no noticable differences, though.
> > 
> > i did some test.
> > result is attached.
> 
> So, contrary to expectation, improved on ffs or nfsv2 and nearly equal
> or slightly worse on nfsv3?

yes.
improvement on nfsv2 is related with write gathering, i think.

YAMAMOTO Takashi