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SubjectRe: Break 2.4 VM in five easy steps
On Tue, 05 Jun 2001, Derek Glidden did have cause to say:

> > The swapoff algorithms in 2.2 and 2.4 are basically identical.
> > The problem *appears* worse in 2.4 because it uses lots
> > more swap.
>
> I disagree with the terminology you're using. It *is* worse in 2.4,
> period. If it only *appears* worse, then if I encounter a situation
> where a 2.2 box has utilized as much swap as a 2.4 box, I should see the
> same results. Yet this happens not to be the case.

Ditto here - my box (1.2g tbird, 512M ram, 128M+128M swap, mixed scsi/ide)
does the same on swapoff -- 2.2.16 can be 100 megs or more into swap, and
it gets sluggish for a bit and then is fine. 2.4.[123] can be only 10
megs into swap and it basically hardlocks for about 5-10 minutes.

---

-----BEGIN GEEK CODE BLOCK-----
Version: 3.1 [www.ebb.org/ungeek]
GIT/CC/CM/AT d--(-)@ s+:-- a-->? C++++$ ULBS*++++$ P- L+++>+++++
E--- W+++ N+@ o+>$ K? w--->+++++ O- M V-- PS+() PE Y+@ PGP++() t
5--- X-- R tv+@ b++++>$ DI++++ D++(+++) G++ e* h(-)* r++ y++
------END GEEK CODE BLOCK------
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