From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00 autolearn=unavailable autolearn_force=no version=3.4.4 Path: eternal-september.org!reader01.eternal-september.org!reader02.eternal-september.org!news.eternal-september.org!news.eternal-september.org!news.eternal-september.org!feeder.eternal-september.org!nntp-feed.chiark.greenend.org.uk!ewrotcd!reality.xs3.de!news.jacob-sparre.dk!loke.jacob-sparre.dk!pnx.dk!.POSTED!not-for-mail From: Jacob Sparre Andersen Newsgroups: comp.lang.ada Subject: Memory mapping and network file systems (Was: B-tree performance) Date: Thu, 05 Sep 2013 10:25:08 +0200 Organization: Jacob Sparre Andersen Research & Innovation Message-ID: <87txhzu13v.fsf_-_@adaheads.sparre-andersen.dk> References: <9fc26b8a-7a5c-4941-81cb-8f0e9c17a660@googlegroups.com> <2383e534-646c-4500-ad05-40caf9460c35@googlegroups.com> NNTP-Posting-Host: monowall.adaheads.com Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit X-Trace: loke.gir.dk 1378369508 25796 86.48.41.195 (5 Sep 2013 08:25:08 GMT) X-Complaints-To: news@jacob-sparre.dk NNTP-Posting-Date: Thu, 5 Sep 2013 08:25:08 +0000 (UTC) User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.4 (gnu/linux) Cancel-Lock: sha1:WsDakGfCxZHZ2dwyzcjqUY5qdtw= Xref: news.eternal-september.org comp.lang.ada:17127 Date: 2013-09-05T10:25:08+02:00 List-Id: Peter Brooks wrote: > If the persistent objects are shadowed in RAM disc and that's shared > over a network, it can make the solution nicely scalable across > multiple networked machines. That sounds rather dangerous to me. I would expect either very low performance or lots of data corruption. Greetings, Jacob -- »In Ada you model the problem space, not the solution space.« -- Robert I. Eachus