Re: Allow some recovery parameters to be changed with reload

From: Michael Paquier <michael(at)paquier(dot)xyz>
To: Peter Eisentraut <peter(dot)eisentraut(at)2ndquadrant(dot)com>
Cc: pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Allow some recovery parameters to be changed with reload
Date: 2019-02-05 03:35:14
Message-ID: 20190205033514.GC1882@paquier.xyz
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On Mon, Feb 04, 2019 at 11:58:28AM +0100, Peter Eisentraut wrote:
> I think the recovery parameters
>
> archive_cleanup_command

Only triggered by the checkpointer.

> promote_trigger_file
> recovery_end_command
> recovery_min_apply_delay

Only looked at by the startup process.

> can be changed from PGC_POSTMASTER to PGC_SIGHUP without any further
> complications (unlike for example primary_conninfo, which is being
> discussed elsewhere).

I agree that this subset is straight-forward and safe to switch. The
documentation changes look right.
--
Michael

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