Received: from localhost (wm.hub.org [200.46.204.128]) by postgresql.org (Postfix) with ESMTP id 80AA69FA186; Tue, 24 Oct 2006 23:57:55 -0300 (ADT) Received: from postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.204.128]) (amavisd-new, port 10024) with ESMTP id 39276-06-2; Wed, 25 Oct 2006 02:57:51 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey- X-Greylist: from auto-whitelisted by SQLgrey- Received: from momjian.us (momjian.us [70.90.9.53]) by postgresql.org (Postfix) with ESMTP id 54AE29FA344; Tue, 24 Oct 2006 23:57:51 -0300 (ADT) Received: (from bruce@localhost) by momjian.us (8.11.6/8.11.6) id k9P2vkm10097; Tue, 24 Oct 2006 22:57:46 -0400 (EDT) From: Bruce Momjian Message-Id: <200610250257.k9P2vkm10097@momjian.us> Subject: Re: [HACKERS] Replication documentation addition In-Reply-To: <3E37B936B592014B978C4415F90D662D04C5BC1C@MI8NYCMAIL06.Mi8.com> To: Luke Lonergan Date: Tue, 24 Oct 2006 22:57:46 -0400 (EDT) CC: Hannu Krosing , PostgreSQL-documentation , PostgreSQL-development X-Mailer: ELM [version 2.4ME+ PL123] MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="US-ASCII" X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=0.719 tagged_above=0 required=5 tests=SARE_SPEC_REPLICA, SPF_HELO_PASS, SPF_PASS, UNPARSEABLE_RELAY X-Spam-Level: X-Archive-Number: 200610/67 X-Sequence-Number: 3788 I don't think the PostgreSQL documentation should be mentioning commercial solutions. --------------------------------------------------------------------------- Luke Lonergan wrote: > Bruce, > > > -----Original Message----- > > From: pgsql-hackers-owner@postgresql.org > > [mailto:pgsql-hackers-owner@postgresql.org] On Behalf Of Bruce Momjian > > Sent: Tuesday, October 24, 2006 5:16 PM > > To: Hannu Krosing > > Cc: PostgreSQL-documentation; PostgreSQL-development > > Subject: Re: [HACKERS] Replication documentation addition > > > > > > OK, I have updated the URL. Please let me know how you like it. > > There's a typo on line 8, first paragraph: > > "perhaps with only one server allowing write rwork together at the same > time." > > Also, consider this wording of the last description: > > "Single-Query Clustering..." > > Replaced by: > > "Shared Nothing Clustering > ----------------------- > > This allows multiple servers with separate disks to work together on a > each query. > In shared nothing clusters, the work of answering each query is > distributed among > the servers to increase the performance through parallelism. These > systems will > typically feature high availability by using other forms of replication > internally. > > While there are no open source options for this type of clustering, > there are several > commercial products available that implement this approach, making > PostgreSQL achieve > very high performance for multi-Terabyte business intelligence > databases." > > - Luke -- Bruce Momjian bruce@momjian.us EnterpriseDB http://www.enterprisedb.com + If your life is a hard drive, Christ can be your backup. +