Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750992AbVJBNbU (ORCPT ); Sun, 2 Oct 2005 09:31:20 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751014AbVJBNbU (ORCPT ); Sun, 2 Oct 2005 09:31:20 -0400 Received: from nproxy.gmail.com ([64.233.182.197]:3316 "EHLO nproxy.gmail.com") by vger.kernel.org with ESMTP id S1750991AbVJBNbT convert rfc822-to-8bit (ORCPT ); Sun, 2 Oct 2005 09:31:19 -0400 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:reply-to:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=mdtClRWS8piOWISYU5xUg0pYnZMGDxV775SiuqCuThTA5Bnr4xnmpJdHi8zlOpsrSxBYcaAA8c1TGL697NMzRDY4ykpw98PM1dLqsvBLKieZOSljmHoJAUyNbFy+bWkoTZKEadFnvd/EQPMzyp4lJXWIDM3EUfRZym2Ar8cYzbg= Message-ID: <40f323d00510020631o53f58474j6b6cea1656387599@mail.gmail.com> Date: Sun, 2 Oct 2005 15:31:18 +0200 From: Benoit Boissinot Reply-To: Benoit Boissinot To: lokum spand Subject: Re: A possible idea for Linux: Save running programs to disk Cc: mike@concannon.net, linux-kernel@vger.kernel.org In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT Content-Disposition: inline References: <433F0BF1.2020900@concannon.net> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1959 Lines: 50 On 10/2/05, lokum spand wrote: > >From: Michael Concannon > >To: Arjan van de Ven > >CC: lokum spand , linux-kernel@vger.kernel.org > >Subject: Re: A possible idea for Linux: Save running programs to disk > >Date: Sat, 01 Oct 2005 18:21:37 -0400 > > > >Arjan van de Ven wrote: > > > >>there is a LOT of state though.. the moment you add networking in the > >>picture the amount of state just isn't funny anymore. Your X example is > >>a good one as well... > >> > >> > >There are a few cluster/parallel computing libraries out there that are > >starting to allow "process migration"... > > > >One would assume that "saving it to a disk" is simply a degenerate case of > >migrating the process... > > > >Presuming they have process migration working (and it seemed close a while > >ago when I last looked), saving to a file might already be supported... > >I'd google "process migration" and you are likely to find a lot of > >discussion on this topic... > > > >/mike > > > > > > In fact moving processes from one machine to another would be a brilliant > feature at my work, since we run fairly large and time-consuming simulations > on electronic circuits. If the kernel could natively support bouncing jobs > back and forth, that would really be something. Since we simulate with > proprietary software, I suppose we can't rely on the simulator being > rewritten to support such special libraries. > > Does any other Unix variant have process bouncing already? > You can have a look at kerrighed or openssi. They have modified kernels who features process migration (and checkpointing for kerrighed). regards, Benoit - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/