Re: Swapping for diskless nodes

Pavel Machek
2001-08-11T01:13:29Z

Hi

> > Last time I checked swapping over nbd required patching the network stack.
> > Because swapping occurs when memory is low and when memory is low TCP
> > doesn't do what you expect it to do...
>
> Its a case of having sufficient memory in the atomic pools. Its possible to
> do some ugly quick kernel hack to make the pool commit less likely to be a
> problem.
>
> Ultimately its an insoluble problem, neither SunOS, Solaris or NetBSD are
> infallible, they just never fail for any normal situation, and thats good
> enough for me as a solution

Oops, really? And if I can DoS such machine with ping -f (to eat atomic
ram)? And what are you going to tel your users? "It died so reboot"?
Pavel
--
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