Re: Hot standby, recovery infra

From: Simon Riggs <simon(at)2ndQuadrant(dot)com>
To: Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>
Cc: PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Hot standby, recovery infra
Date: 2009-01-31 09:25:49
Message-ID: 1233393949.4500.11.camel@ebony.2ndQuadrant
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On Fri, 2009-01-30 at 13:15 +0200, Heikki Linnakangas wrote:
> Simon Riggs wrote:
> > I'm thinking to add a new function that will allow crash testing easier.
> >
> > pg_crash_standby() will issue a new xlog record, XLOG_CRASH_STANDBY,
> > which when replayed will just throw a FATAL error and crash Startup
> > process. We won't be adding that to the user docs...
> >
> > This will allow us to produce tests that crash the server at specific
> > places, rather than trying to trap those points manually.
>
> Heh, talk about a footgun ;-). I don't think including that in CVS is a
> good idea.

Thought you'd like it. I'd have preferred it in a plugin... :-(

Not really sure why its a problem though. We support
pg_ctl stop -m immediate, which is the equivalent, yet we don't regard
that as a footgun.

--
Simon Riggs www.2ndQuadrant.com
PostgreSQL Training, Services and Support

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