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Re: [COMMITTERS] pgsql: Remove replicaiton FAQ item.

From: "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com>
To: Jeff Davis <jdavis-pgsql(at)empires(dot)org>
Cc: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>,"Marc G(dot) Fournier" <scrappy(at)postgresql(dot)org>,Robert Treat <xzilla(at)users(dot)sourceforge(dot)net>,PostgreSQL-documentation <pgsql-docs(at)postgresql(dot)org>
Subject: Re: [COMMITTERS] pgsql: Remove replicaiton FAQ item.
Date: 2005-04-24 18:40:50
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-committerspgsql-docs
Jeff Davis wrote:
> Should the text include a mention of synchronous vs. asynchronous? Or
> does master-master imply synchronous?

It shouldn't. It is possible to have synchronous replication without it
being master<->master.


Joshua D. Drake

> Regards,
> 	Jeff Davis
> On Sun, 2005-04-24 at 08:01 -0400, Bruce Momjian wrote:
>>Marc G. Fournier wrote:
>>>On Tue, 16 Nov 2004, Robert Treat wrote:
>>>>On Sunday 14 November 2004 16:33, Bruce Momjian wrote:
>>>>>Log Message:
>>>>>Remove replicaiton FAQ item.
>>>>>Modified Files:
>>>>>    pgsql/doc:
>>>>>        FAQ (r1.269 -> r1.270)
>>>>>1.270) pgsql/doc/src/FAQ:
>>>>>        FAQ.html (r1.227 -> r1.228)
>>>>While the answer may have been a little dated, this still seems to be an FAQ.
>>>>Was there a discussion on removing this?  If so I'll go read that, but ISTM
>>>>this question should remain.
>>>agreed, this definitly does fall under a "Very FAQ" kinda thing ... 
>>>pointers to the various methods that are currently in use, at a minimum, 
>>>would be good ...
>>Yep, big mistake my removing the replication FAQ item. I have re-added a
>>new one:
>>	4.21) What replication solutions are available?
>>	Though "replication" is a single term, there are two major replication
>>	technologies. Multi-master replication allows read/write queries to be
>>	sent to multiple replicated computers. Using this capability has a
>>	serious performance impact. Pgcluster is the most popular such solution
>>	available for PostgreSQL. Master-slave replication allows a single
>>	master to receive read/write queries, with slaves able to accept only
>>	read/SELECT queries. The most popular master-slave PostgreSQL
>>	replication solution is Slony. There are also commercial and
>>	hardware-based replication solutions available.
> ---------------------------(end of broadcast)---------------------------
> TIP 8: explain analyze is your friend

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