| From: | Craig Ringer <craig(at)2ndquadrant(dot)com> |
|---|---|
| To: | Heikki Linnakangas <hlinnakangas(at)vmware(dot)com>, Greg Stark <stark(at)mit(dot)edu> |
| Cc: | Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Andres Freund <andres(at)2ndquadrant(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Bruce Momjian <bruce(at)momjian(dot)us>, Rajeev rastogi <rajeev(dot)rastogi(at)huawei(dot)com>, Ants Aasma <ants(at)cybertec(dot)at>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>, Markus Wanner <markus(at)bluegap(dot)ch> |
| Subject: | Re: Proposal for CSN based snapshots |
| Date: | 2014-06-16 04:58:45 |
| Message-ID: | 539E7985.5090801@2ndquadrant.com |
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| Lists: | pgsql-hackers |
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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