From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Sun, 19 Apr 2009 21:34:56 +0200 From: Enrico Weigelt To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net> Message-ID: <20090419193455.GD4722@nibiru.local> References: <13426df10904171515g571f7781x38ca528cfbce1149@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.1i Subject: Re: [9fans] Plan9 - the next 20 years Topicbox-Message-UUID: e953202a-ead4-11e9-9d60-3106f5b1d025 * Latchesar Ionkov wrote: Hi, > I talked with a guy that's is doing parallel filesystem work, and > according to him 80% of all filesystem operations when running an HPC > job are for checkpointing (not that much restart). I just don't see > how checkpointing can scale knowing how bad the parallel fs are. We need a clustered venti and an cluster-aware fossil ;-P I'm currently in the process of designing an clustered storage, inspired by venti and git, which also supports removing files, on-demand sychronization, etc. I'll let you know when I've got something to present. cu -- ---------------------------------------------------------------------- Enrico Weigelt, metux IT service -- http://www.metux.de/ cellphone: +49 174 7066481 email: info@metux.de skype: nekrad666 ---------------------------------------------------------------------- Embedded-Linux / Portierung / Opensource-QM / Verteilte Systeme ----------------------------------------------------------------------