Re: [PATCH] address_space_operations unification

From: Jamie Lokier (lfs@tantalophile.demon.co.uk)
Date: Mon May 08 2000 - 06:35:38 EST


michael@dgmo.org wrote:
> > Happily, the "multiple mmaped writers" case is extremely rare and usually
> > doesn't make any sense at all (which is probably why it is rare), so the
> > performance issue is probably not really a very realistic one.
> >
> > [ Famous last words. I wonder when the next mindcraft comes along and
> > creates a benchmark for this.. It would have to be fairly contrieved, I
> > suspect. ]
>
> Unfortunately, no. :-(
>
> Once apon a time there used to be a news server that used
> a mmap()'ed active and history file with lots of process
> receiving news and writing updates into the active and
> history files. Alas, poor thru-put. I knew it,
> Horatio....

On the bright side, those news servers processes all have the same RPC
credentials.

-- Jamie

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