Re: Standby Mode

From: Simon Riggs <simon(at)2ndquadrant(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: josh(at)agliodbs(dot)com, pgsql-hackers(at)postgresql(dot)org, Bruce Momjian <bruce(at)momjian(dot)us>
Subject: Re: Standby Mode
Date: 2006-08-03 06:01:00
Message-ID: 1154584860.2495.4.camel@localhost.localdomain
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On Wed, 2006-08-02 at 18:49 -0400, Tom Lane wrote:
> Simon Riggs <simon(at)2ndquadrant(dot)com> writes:
> > [I have an outstanding question on how to include LWlock support into
> > the archiver, required to flesh out the feature set, and of course
> > assuming these patches being accepted.]
>
> The archiver is deliberately designed not to be connected to shared
> memory. If you want to change that you'll have to make a very strong
> case why we should give up the safety and security advantages of it.

We should let the user decide.

If archiver_timeout is a server start GUC then we can attach to shared
memory if it is set, if not we avoid that.

If they are in a position to want that functionality they can make that
trade-off.

--
Simon Riggs
EnterpriseDB http://www.enterprisedb.com

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