Re: [REGRESSION] 2.6.19/2.6.20-rc3 buffered write slowdown

[Christoph Lameter]

On Thu, 11 Jan 2007, David Chinner wrote:

> The performance and smoothness is fully restored on 2.6.20-rc3
> by setting dirty_ratio down to 10 (from the default 40), so
> something in the VM is not working as well as it used to....

dirty_background_ratio is left as is at 10? So you gain performance
by switching off background writes via pdflush?
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