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Re: Core team statement on replication in PostgreSQL

From: Simon Riggs <simon(at)2ndquadrant(dot)com>
To: Robert Hodges <robert(dot)hodges(at)continuent(dot)com>
Cc: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Andrew Sullivan <ajs(at)commandprompt(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Core team statement on replication in PostgreSQL
Date: 2008-05-30 19:57:28
Message-ID: 1212177448.4120.160.camel@ebony.site (view raw or flat)
Thread:
Lists: pgsql-advocacypgsql-hackers
On Fri, 2008-05-30 at 11:12 -0700, Robert Hodges wrote:
> This is clearly an important use case but it also seems clear that
> the WAL approach is not a general-purpose approach to replication.

I think we cannot make such a statement yet, if ever.

I would note that log-based replication is now the mainstay of
commercial database replication techniques for loosely-coupled groups of
servers. It would seem strange to assume that it should not be good for
us too, simply because we know it to be difficult.

IMHO the project has a pretty good track record of delivering
functionality that looked hard at first glance.

-- 
 Simon Riggs           www.2ndQuadrant.com
 PostgreSQL Training, Services and Support


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