Re: SIGHUP during recovery

From: Simon Riggs <simon(at)2ndQuadrant(dot)com>
To: Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>
Cc: Fujii Masao <masao(dot)fujii(at)gmail(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: SIGHUP during recovery
Date: 2009-03-05 09:28:21
Message-ID: 1236245301.31880.137.camel@ebony.2ndQuadrant
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On Wed, 2009-03-04 at 15:58 +0200, Heikki Linnakangas wrote:
> Fujii Masao wrote:
> > Currently, the startup process ignores SIGHUP.
> >
> > The attached patch allows the startup process to re-read config file:
> > when SIGHUP arrives, the startup process also receives the signal
> > from postmaster and reload the settings in main redo apply loop.
> > Obviously, this is useful to change the parameters which the startup
> > process may use (e.g. log_line_prefix, log_checkpoints).
>
> Thanks, committed.
>
> The fact that bgwriter can run simultaneously with the startup process
> makes this more important than before. Otherwise if you change something
> like log_line_prefix, bgwriter will use the new setting but startup
> process will not.

Should we reload recovery.conf also?

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

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