Date: Wed, 31 Jul 1996 10:50:42 -0700 From: David Greenman <dg@root.com> To: Juri Tsibrovski <jt@sw.ru> Cc: questions@FreeBSD.ORG Subject: Re: Considering FreeBSD Message-ID: <199607311750.KAA01836@root.com> In-Reply-To: Your message of "Wed, 31 Jul 1996 20:54:20 %2B0400." <2.2.32.19960731165420.007dcc38@myth.sw.ru>
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>> The worst that will happen is that the system will hang due to virtual >>memory exhaustion. You should not increase it to >99, however, as 100 is >>the starting point after it wraps at 30000 and thus may protect processes >>that shouldn't be protected. > >What can prevent me from increasing that number too? I already run modified >kernel with pids protected <250, and changed to 300 wrapping point. Nothing - that's fine. >> The whole thing is admittedly somewhat of a kludge, but it actually handles >>about 98% of the failure cases and is a far better solution (killing off the >>process that faults when VM is exhausted) than hanging or crashing the system. > >In some cases (exactly what happened with me) I'd elect system crash with >restart rather than have all our modem pool unusable till morning :) Well, this whole thing is becoming an issue for you because you're running out of swap space. The real solution may be to find out why and fix it. -DG David Greenman Core-team/Principal Architect, The FreeBSD Project
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