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SubjectRe: [patch] arca-vm-2.2.5
On Wed, 7 Apr 1999, Stephen C. Tweedie wrote:
> > I noticed what sct was talking about where when it hits swap, things tend
> > to all go into buckets close together -- I saw hundreds of things linked
> > to the same buckets at one point after I made my machine hit swap a bit.
>
> Exactly because of the hash function. That's why we want to mix in the
> low order bits of the offset when calculating the hash.

how did you make this swap scenario happen? i've seen nothing but good
behavior from the standard 11 bit hash function.

- Chuck Lever
--
corporate: <chuckl@netscape.com>
personal: <chucklever@netscape.net> or <cel@monkey.org>

The Linux Scalability project:
http://www.citi.umich.edu/projects/citi-netscape/


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