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Re: WAPBL on multicore, 1 (ONE!) process...
On Wed, Oct 29, 2008 at 12:22:31AM +0100, Havard Eidnes wrote:
> Quoting from the PR addition I wrote:
> I've repeated this experiment on a non-wapbl file system on the same
> system, but there the difference was in the "sync loop" disfavour:
> 5799.240u 2232.222s 24:57.93 536.1% 0+0k 494+710112io 32612pf+0w
> 5881.837u 2435.640s 27:14.19 508.9% 0+0k 0+720501io 32646pf+0w
> and the number of IOs is comparable.
> So... not 15 minutes, but also not over 2 hours, which was the
> state with WAPBL before adding that unpublished (?) patch of
> Simon and turning off disk cache flushing.
Oh ok. So it's just a mere 15% worse. Hey, why are you complaining:)
I'm talking about > 3000% worse, for a single process. The last time
a copy of roughly 5 gb of data took hours for me is when I used
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