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

Alan Cox (alan@lxorguk.ukuu.org.uk)
Wed, 10 Mar 1999 01:10:39 +0000 (GMT)

> For 2.2.3 (without the 2.2.2ac7 patches), a wsize of 8k appears to
> be slightly faster than a wsize of 4k when writing to a BSD ffs (*) hosted
> on an i386 with a 4K page size. (30.5 vs. 31.5 seconds for a 12 MB file)
>
> Is this because 2.2.3 is broken compared to 2.2.7ac1 or is this
> contradicting your statement that it only matters for BSD+8K pagesize
> machines?

Thats probably just luck or better client side throughput through less
syscalls

2.2.3 is "broken" if you like for the 8K case yes. 2.2.2ac7 isnt, but we are
still combining the two to get the bugs out of both so we have a final good
NFS client

> (*)
> Also, what's a BSD vfs? I was under the impression that vfs is the
> name of the layer connecting OS and filesystems.

Correct

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