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From: Craig Ringer <craig@2ndquadrant.com>
To: Heikki Linnakangas <hlinnakangas@vmware.com>
To: Greg Stark <stark@mit.edu>
Cc: Alvaro Herrera <alvherre@2ndquadrant.com>
Cc: Andres Freund <andres@2ndquadrant.com>
Cc: Robert Haas <robertmhaas@gmail.com>
Cc: Bruce Momjian <bruce@momjian.us>
Cc: Rajeev rastogi <rajeev.rastogi@huawei.com>
Cc: Ants Aasma <ants@cybertec.at>
Cc: PostgreSQL-development <pgsql-hackers@postgresql.org>
Cc: Markus Wanner <markus@bluegap.ch>
Subject: Re: Proposal for CSN based snapshots
Date: Mon, 16 Jun 2014 12:58:45 +0800
Message-ID: <539E7985.5090801@2ndquadrant.com> (raw)
In-Reply-To: <5388A063.5000209@vmware.com>
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On 05/30/2014 11:14 PM, Heikki Linnakangas wrote:
> 
> Yeah. To recap, the failure mode is that if the master crashes and
> restarts, the transaction becomes visible in the master even though it
> was never replicated.

Wouldn't another pg_clog bit for the transaction be able to sort that out?

-- 
 Craig Ringer                   http://www.2ndQuadrant.com/
 PostgreSQL Development, 24x7 Support, Training & Services


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