From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: From: erik quanstrom Date: Fri, 17 Apr 2009 23:37:26 -0400 To: 9fans@9fans.net In-Reply-To: <3aaafc130904171906v360fa304qea85ac5962d440f0@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Subject: Re: [9fans] Plan9 - the next 20 years Topicbox-Message-UUID: e4e087ee-ead4-11e9-9d60-3106f5b1d025 > I can imagine a lot of problems stemming from open files could be > resolved by first attempting to import the process's namespace at the > time of checkpoint and, upon that failing, using cached copies of the > file made at the time of checkpoint, which could be merged later. there's no guarantee to a process running in a conventional environment that files won't change underfoot. why would condor extend a new guarantee? maybe i'm suffering from lack of vision, but i would think that to get to 100% one would need to think in terms of transactions and have a fully transactional operating system. - erik