X-Original-To: pgsql-docs-postgresql.org@localhost.postgresql.org Received: from localhost (av.hub.org [200.46.204.144]) by postgresql.org (Postfix) with ESMTP id D12EA9DC854; Thu, 2 Mar 2006 15:29:52 -0400 (AST) Received: from postgresql.org ([200.46.204.71]) by localhost (av.hub.org [200.46.204.144]) (amavisd-new, port 10024) with ESMTP id 47589-02; Thu, 2 Mar 2006 15:29:52 -0400 (AST) X-Greylist: from auto-whitelisted by SQLgrey- X-Greylist: from auto-whitelisted by SQLgrey- Received: from candle.pha.pa.us (candle.pha.pa.us [70.90.9.53]) by postgresql.org (Postfix) with ESMTP id 1EB129DCBD3; Thu, 2 Mar 2006 15:29:49 -0400 (AST) Received: (from pgman@localhost) by candle.pha.pa.us (8.11.6/8.11.6) id k22JToC19808; Thu, 2 Mar 2006 14:29:50 -0500 (EST) From: Bruce Momjian Message-Id: <200603021929.k22JToC19808@candle.pha.pa.us> Subject: Re: [HACKERS] Online backup vs Continuous backup In-Reply-To: <3617.1135712159@sss.pgh.pa.us> To: Tom Lane Date: Thu, 2 Mar 2006 14:29:50 -0500 (EST) CC: Peter Eisentraut , pgsql-hackers@postgresql.org, Heikki Linnakangas , "Joshua D. Drake" , PostgreSQL-documentation X-Mailer: ELM [version 2.4ME+ PL121 (25)] MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=US-ASCII X-Virus-Scanned: by amavisd-new at hub.org X-Spam-Status: No, score=0.419 required=5 tests=[AWL=-0.081, RAZOR2_CHECK=0.5] X-Spam-Score: 0.419 X-Spam-Level: X-Archive-Number: 200603/4 X-Sequence-Number: 3461 Tom Lane wrote: > Bruce Momjian writes: > >> This addresses the technical workings of the various backup systems. > >> The fact that it is or isn't on-line, hot, continuous, fast, or flexible > >> is secondary. > > > To me, the continuous activity is the significant feature of that backup > > method. I chose "Continuous Backup" because it is the continual > > activity that is significant. "Continuous Archiving"? > > I like Peter's suggestion as-is; or "WAL Archiving". I don't like > applying adjectives that are not specific to the particular method. > That will just create more confusion down the road if we add another > feature that could also be called "continuous archiving". I do like "WAL Archiving" but I am concerned that it references a specific internal implementation detail (WAL). Is that OK? Also, I am concerned that is specificially talks about archiving the wal files and is not general enough to include the file system backup that is also necessary. -- Bruce Momjian http://candle.pha.pa.us SRA OSS, Inc. http://www.sraoss.com + If your life is a hard drive, Christ can be your backup. +