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SubjectRe: SD still better than CFS for 3d ?(was Re: 2.6.23-rc1)

* Kasper Sandberg <lkml@metanurb.dk> wrote:

> > ah, indeed, that makes quite a bit of sense. Almost all of the
> > Reiser3 code runs under the BKL, and the only other major kernel
> > infrastructure that has BKL dependencies is the TTY code. Kasper, as
> > a debugging matter, could you try to move that spamassassin workload
> > off into a non-Reiser3 filesystem and/or disable PREEMPT_BKL? If
> > that makes a noticeable difference (for the better ;) then we can
> > continue figuring out what's happening exactly.
>
> the pricess is as this:
> mail client fetches mail
> mail client invokes spamasassin
> if spam -> spam
> else filtering
> if it matches certain filters, it gets put into my imap server, which is
> reiserfs.

do you have any filesystem that is not reiserfs? If yes, could you, as a
test, check whether file activities on _that_ file system still cause
these lags, or is the lag purely connected to the reiser3 filesystem?

Ingo
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