Re: streaming replication breaks horribly if master crashes

From: "Kevin Grittner" <Kevin(dot)Grittner(at)wicourts(dot)gov>
To: "Robert Haas" <robertmhaas(at)gmail(dot)com>, "PostgreSQL-development" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: streaming replication breaks horribly if master crashes
Date: 2010-06-16 20:07:54
Message-ID: 4C18E8CA02000025000324B1@gw.wicourts.gov
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Robert Haas <robertmhaas(at)gmail(dot)com> wrote:

> I don't know what to do about this

This probably is out of the question for 9.0 based on scale of
change, and maybe forever based on the impact of WAL volume, but --
if we logged "before" images along with the "after", we could undo
the work of the "over-eager" transactions on the slave upon
reconnect.

-Kevin

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