Re: Why the DOS has many ntfs read and write driver,but the linuxcan't for a long time

From: Lee Revell
Date: Mon Jan 09 2006 - 10:14:31 EST


On Mon, 2006-01-09 at 15:28 +0100, Oliver Neukum wrote:
> Am Montag, 9. Januar 2006 15:18 schrieb Robert Hancock:
> > Yaroslav Rastrigin wrote:
> > > Well, I could find more or less reasonable explanation of this behaviour - different VM policies of two OSes and
> > > strangely strong and persistent belief "Free RAM is a wasted RAM" among kernel devs. Free RAM is not a wasted RAM, its a memory waiting to be used !
> > > Whenever it is needed by apps I'm launching or working with.
> >
> > There is no different VM policy here, Windows behaves quite similarly.
> > It does not leave memory around unused, it uses it for disk cache.
>
> That doesn't mean that the rate of eviction is the same.
> Is it possible that read-ahead is not aggressive enough?

Enough for what? What is the exact problem you are trying to solve?

Lee

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