Messages in this thread |  | | From | Daniel Phillips <> | Subject | Re: page_launder() on 2.4.9/10 issue | Date | Thu, 6 Sep 2001 14:31:32 +0200 |
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On September 6, 2001 01:52 pm, Rik van Riel wrote: > On Tue, 4 Sep 2001, Jan Harkes wrote: > > > To get back on the thread I jumped into, I totally agree with Linus > > that writeout should be as soon as possible. > > Nice way to destroy read performance.
Blindly delaying all the writes in the name of better read performance isn't the right idea either. Perhaps we should have a good think about some sensible mechanism for balancing reads against writes.
> As DaveM noted so > nicely in his reverse mapping patch (at the end of the > 2.3 series), dirty pages get moved to the laundry list > and the washing machine will deal with them when we have > a full load. > > Lets face it, spinning the washing machine is expensive > and running less than a full load makes things inefficient ;)
That makes a good sound bite but doesn't stand up to scrutiny.
It's not a washing machine ;-)
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