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Re: Thread model

From: Thomas Bushnell BSG
Subject: Re: Thread model
Date: Mon, 17 Mar 2008 19:00:02 -0400

On Sun, 2008-03-16 at 08:25 +0100, olafBuddenhagen@gmx.net wrote:
> Hi,
> On Wed, Mar 12, 2008 at 03:56:47PM -0400, Thomas Bushnell BSG wrote:
> > The clever way is to identify the particular things in the stack which
> > must be saved, and throw the rest away, and then restart the
> > continuation with the few things that really matter.  This is what the
> > kernel does internally; just look for "continuation" and you can see it.
> > You have to identify *each* blocking point, and make a continuation
> > structure for it, and so forth.
> Indeed. I can't tell how much work it is. (Could you give an estimate?)
> But luckily, it doesn't all have to be done in a single sweep. We could
> move the servers one by one -- starting with the disk filesystems, as
> this is where the issues are manifesting most...

But this is still not relevant, because the central problem is paging
blocks; you have to work that one out first.  That's the one that is a
major hassle.


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