Re: 2.4.x has finally made it!

Doug McNaught (doug@wireboard.com)
13 Nov 2001 12:15:12 -0500


Matthias Andree <matthias.andree@stud.uni-dortmund.de> writes:

> On Tue, 13 Nov 2001, Doug McNaught wrote:
>
> > It's a benchmark, lighten up! ;)
>
> Well, he wanted to benchmark everyday use, and disk latency is also an
> issue for everyday use, of course;

But it's more a measure of your disk subsystem than your VM efficiency
(unless something is badly wrong).

> so that's kind of pointless getting
> rid of I/O and benchmarking the cache. fsync() efficiency comes into
> play and wants to be benchmarked as well. How do you know if your
> fsync() syncs what's needed, the whole partition, the partition's meta
> data (softupdates!) or the world (all blocks)?

A very good point that I hadn't considered.

-Doug

-- 
Let us cross over the river, and rest under the shade of the trees.
   --T. J. Jackson, 1863
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