Received: from maia.hub.org (maia-2.hub.org [200.46.204.251]) by mail.postgresql.org (Postfix) with ESMTP id A06D91337B99 for ; Thu, 10 Feb 2011 09:56:17 -0400 (AST) Received: from mail.postgresql.org ([200.46.204.86]) by maia.hub.org (mx1.hub.org [200.46.204.251]) (amavisd-maia, port 10024) with ESMTP id 02465-10 for ; Thu, 10 Feb 2011 13:56:09 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from delta01.pnet.xcon.it (delta01.pnet.xcon.it [62.48.53.16]) by mail.postgresql.org (Postfix) with ESMTP id 1904F1337B8D for ; Thu, 10 Feb 2011 09:56:08 -0400 (AST) Received: from localhost (localhost [127.0.0.1]) by delta01.pnet.xcon.it (Postfix) with ESMTP id D8EC91803F40; Thu, 10 Feb 2011 14:56:07 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at delta01.pnet.xcon.it Received: from delta01.pnet.xcon.it ([127.0.0.1]) by localhost (delta01.pnet.xcon.it [127.0.0.1]) (amavisd-new, port 10024) with LMTP id 9pzVcS9QdHS5; Thu, 10 Feb 2011 14:56:05 +0100 (CET) Received: from macbook-di-gabriele-bartolini.local (host114-123-dynamic.35-79-r.retail.telecomitalia.it [79.35.123.114]) (Authenticated sender: gabriele.bartolini@devise.it) by delta01.pnet.xcon.it (Postfix) with ESMTPSA id E4A30180D972; Thu, 10 Feb 2011 14:56:04 +0100 (CET) Message-ID: <4D53EE75.9070007@2ndQuadrant.it> Date: Thu, 10 Feb 2011 14:56:05 +0100 From: Gabriele Bartolini User-Agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10.5; it; rv:1.9.2.13) Gecko/20101207 Lightning/1.0b2 Thunderbird/3.1.7 MIME-Version: 1.0 To: CS DBA CC: "Rangi, Jai" , pgsql-admin@postgresql.org Subject: Re: Postgres Replication Options References: <11F808DFED68574E8357241F5B39CAF5B96A24@mail-001.corp.automotive.com> <4D523E22.5000106@2ndQuadrant.it> <4D52C684.1070808@consistentstate.com> In-Reply-To: <4D52C684.1070808@consistentstate.com> Content-Type: multipart/alternative; boundary="------------030902020905080009000409" X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=1.72 tagged_above=-10 required=5 tests=BAYES_00=-1.9, FS_REPLICA=3.599, HTML_MESSAGE=0.001, RCVD_IN_DNSWL_LOW=-0.7, SARE_SPEC_REPLICA=0.72 X-Spam-Level: * X-Archive-Number: 201102/68 X-Sequence-Number: 36707 This is a multi-part message in MIME format. --------------030902020905080009000409 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Hi, Il 09/02/11 17:53, CS DBA ha scritto: > One of the main considerations per Hot Standby vs SLONY is replication > scope. With Hot Standby you get everything that occurs in the cluster, > across all databases. Yep, I agree with you Kevin regarding the replication scope. I assumed that Jai was looking for a full replica of the server. > database. So, IMHO I'd go with Hot Standby if I wanted to replicate > the full cluster and SLONY if I wanted to "slice & dice" tables and > target slaves (i.e. replicate all tables for a single db to slave 1, > only 50 tables to slave 2, etc...) If you are looking for table level replication, I suggest also too look at Londiste and Skytools. Ciao, Gabriele -- Gabriele Bartolini - 2ndQuadrant Italia PostgreSQL Training, Services and Support gabriele.bartolini@2ndQuadrant.it | www.2ndQuadrant.it --------------030902020905080009000409 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Hi,

Il 09/02/11 17:53, CS DBA ha scritto:
One of the main considerations per Hot Standby vs SLONY is replication scope. With Hot Standby you get everything that occurs in the cluster, across all databases.
Yep, I agree with you Kevin regarding the replication scope. I assumed that Jai was looking for a full replica of the server.
database.  So, IMHO I'd go with Hot Standby if I wanted to replicate the full cluster and SLONY if I wanted to "slice & dice" tables and target slaves (i.e. replicate all tables for a single db to slave 1, only 50 tables to slave 2, etc...)
If you are looking for table level replication, I suggest also too look at Londiste and Skytools.

Ciao,
Gabriele

-- 
 Gabriele Bartolini - 2ndQuadrant Italia
 PostgreSQL Training, Services and Support
 gabriele.bartolini@2ndQuadrant.it | www.2ndQuadrant.it
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