From owner-freebsd-hackers Thu Sep 23 9:27:42 1999 Delivered-To: freebsd-hackers@freebsd.org Received: from apollo.backplane.com (apollo.backplane.com [216.240.41.2]) by hub.freebsd.org (Postfix) with ESMTP id 3837315F8A for ; Thu, 23 Sep 1999 09:27:38 -0700 (PDT) (envelope-from dillon@apollo.backplane.com) Received: (from dillon@localhost) by apollo.backplane.com (8.9.3/8.9.1) id JAA27920; Thu, 23 Sep 1999 09:26:38 -0700 (PDT) (envelope-from dillon) Date: Thu, 23 Sep 1999 09:26:38 -0700 (PDT) From: Matthew Dillon Message-Id: <199909231626.JAA27920@apollo.backplane.com> To: "Daniel C. Sobral" Cc: Nate Williams , Alfred Perlstein , Chuck Robey , Ivan , freebsd-hackers@FreeBSD.ORG Subject: Re: Out of swap handling and X lockups in 3.2R References: <199909221727.LAA14290@mt.sri.com> <199909221738.KAA16257@apollo.backplane.com> <37E9AB80.C67E1B1D@newsguy.com> Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG :Matthew Dillon wrote: :> :> How about this - add an 'importance' resource. The lower the number, :> the more likely the process will be killed if the system runs out of :> resources. We would also make fork automatically decrement the number :> by one in the child. : :Well, that's one thing people have asked for. It can be useful, and :doesn't sound particularly hard to code, nor too intrusive or :resource-hog. Would make some people, on both camps. : :Alas, some people will never let go until we have a no overcommit :switch, and *then* they'll start asking for us to go to the lengths :Solaris does to reduce the disadvantages. : :-- :Daniel C. Sobral (8-DCS) My feeling is that adding an importance mechanism would not preclude adding more sophisticated mechanisms on top of it. The real question is: Are enough people interested in me doing the *basic* (word emphasized) importance mechanism for me to do it? What it all comes down to is a juxtaposition of what people believe is appropriate verses what people are actually willing to code up. I'm willing to code up my importance mechanism idea. The question is whether it's a good enough idea to throw into the tree. -Matt Matthew Dillon To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message