Messages in this thread | | | Date | Sat, 11 Aug 2001 01:13:29 +0000 | From | Pavel Machek <> | Subject | Re: Swapping for diskless nodes |
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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 -- Philips Velo 1: 1"x4"x8", 300gram, 60, 12MB, 40bogomips, linux, mutt, details at http://atrey.karlin.mff.cuni.cz/~pavel/velo/index.html.
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