Re: Synchronous Standalone Master Redoux

From: Shaun Thomas <sthomas(at)optionshouse(dot)com>
To: Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>
Cc: Josh Berkus <josh(at)agliodbs(dot)com>, <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Synchronous Standalone Master Redoux
Date: 2012-07-10 15:36:11
Message-ID: 4FFC4BEB.9050908@optionshouse.com
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On 07/10/2012 09:40 AM, Heikki Linnakangas wrote:

> You are mistaken. It only guarantees that it's been sync'd to disk in
> the standby, but if there are open snapshots or the system is simply
> busy, it might takes minutes or more until the effects of that
> transaction become visible.

Well, crap. It's subtle distinctions like this I wish I'd noticed
before. Doesn't really affect our plans, it just makes sync rep even
less viable for our use case. Thanks for the correction! :)

--
Shaun Thomas
OptionsHouse | 141 W. Jackson Blvd. | Suite 500 | Chicago IL, 60604
312-444-8534
sthomas(at)optionshouse(dot)com

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