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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