On Tue, Apr 17, 2012 at 06:02:34AM +0200, Boszormenyi Zoltan wrote:
> I listed two scenarios.
> 1. occasional bump of the readahead window for large requests,
> for smaller requests it uses the originally set size
> 2. permanent bump of the readahead window for large requests
> (larger than previously seen), all subsequent requests use
> the new size
>
> Both can be implemented easily, which one do you prefer?
> If you always use very large requests, 1) behaves like 2)
I'd say let's go for #2. #1 is probably more efficient but not what the
programmer asked us to do. After all it's easy to increase the window size
accordingly if you want so as a programmer.
Michael
--
Michael Meskes
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