Re: NFS client performance 1.5 orders of magnitude too slow? (fwd)

Godmar Back (gback@cs.utah.edu)
Tue, 9 Mar 1999 13:55:16 -0700 (MST)

>
> > Does that mean that the behavior of rsize/wsize in newer kernels will
> > change? Or the default 4k change?
>
> With 2.2.3 if you say "8K writes" you get 4K writes on a box with 4K page
> sizes. With 2.2.2ac7 (which has the write gathering) you get bursts
> of 8K writes. This makes it a good 5 times faster for some of my test
> sets.
>

This would explain my observations.
5 times faster sounds about right too (14 seconds for 2.2.3 vs. 2.5 seconds
for FreeBSD 2.2.8).

Thanks,

- Godmar

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