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From: Markus Wanner <markus@bluegap.ch>
To: Simon Riggs <simon@2ndQuadrant.com>
Cc: Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>
Cc: Kevin Grittner <Kevin.Grittner@wicourts.gov>
Cc: MARK CALLAGHAN <mdcallag@gmail.com>
Cc: Alvaro Herrera <alvherre@commandprompt.com>
Cc: Andrew Dunstan <andrew@dunslane.net>
Cc: Aidan Van Dyk <aidan@highrise.ca>
Cc: pgsql-hackers <pgsql-hackers@postgresql.org>
Subject: Re: Re: [COMMITTERS] pgsql: Efficient transaction-controlled synchronous replication.
Date: Fri, 18 Mar 2011 20:41:00 +0100
Message-ID: <4D83B54C.2030708@bluegap.ch> (raw)
In-Reply-To: <1300476590.18619.18115.camel@ebony>
References: <E1PwMns-00047O-UU@gemulon.postgresql.org>
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	<1299454125.1696.6138.camel@ebony>
	<4D74896C.5030402@enterprisedb.com>
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	<AANLkTinkzJ=UrLbThZy2KeQg+SjwYqj2r0mDomMwirB7@mail.gmail.com>
	<4D74F3AE.9000802@dunslane.net>
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	<1300457958.18619.13780.camel@ebony>
	<4D832B4D020000250003BA98@gw.wicourts.gov>
	<4D837EA2.2070205@enterprisedb.com>
	<1300465171.18619.15193.camel@ebony>
	<4D83B02A.5090105@bluegap.ch>
	<1300476590.18619.18115.camel@ebony>

On 03/18/2011 08:29 PM, Simon Riggs wrote:
> We could do that easily enough, actually, if we wished.
> 
> Do we wish?

I personally don't see any problem letting a standby show a snapshot
before the master.  I'd consider it unneeded network traffic.  But then
again, I'm completely biased.

Regards

Markus Wanner



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