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From: Tom Lane <[email protected]>
To: [email protected]
Subject: Description of SIGHUP GUC parameters
Date: Sat, 21 Jan 2006 14:46:03 -0500
Message-ID: <[email protected]> (raw)

Currently, the standard boilerplate description of a SIGHUP parameter
is

        This option can only be set at server start or in the
        <filename>postgresql.conf</filename> file.

We've heard from more than one person who found this confusing ---
frequently it's misread as saying that the parameter cannot be changed
after postmaster start.  Doubtless this is partly because the
boilerplate phrase for a POSTMASTER parameter is

        This option can only be set at server start.

However, previous discussions have dried up without coming up with a
better phrase.  It occurred to me today that this might work better:

        This option can only be set in the <filename>postgresql.conf</>
        file or on the server command line.

I think mentioning the config file first is important to focus attention
on that.  The only other way to set these parameters is via command-line
switches, so we should just say that rather than emphasizing the "server
start time" aspect of it, which is exactly what not to emphasize.

Comments?

			regards, tom lane

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