| From: | "Scott Marlowe" <scott(dot)marlowe(at)gmail(dot)com> |
|---|---|
| To: | "Tena Sakai" <tsakai(at)gallo(dot)ucsf(dot)edu> |
| Cc: | pgsql-admin(at)postgresql(dot)org |
| Subject: | Re: question on pg_ctl |
| Date: | 2008-09-22 18:21:35 |
| Message-ID: | dcc563d10809221121k2c3eb5dcpb4cbf823b08defc0@mail.gmail.com |
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| Lists: | pgsql-admin |
On Mon, Sep 22, 2008 at 11:49 AM, Tena Sakai <tsakai(at)gallo(dot)ucsf(dot)edu> wrote:
> Hi Everybody,
>
> I want to change a line in postgresql.conf (shared_buffers)
> and then issue a command:
> pg_ctl reload
>
> This forces the postmaster process to reread the configuration
> file with new shared_buffer value. And the postgres process
> that comes to life from this point on will execute with the
> newly specified value. Correct?
To quote the postgresql.conf file:
shared_buffers = 150MB # min 128kB or max_connections*16kB
# (change requires restart)
So it requires a complete restart. Note that for the things you can
reload on, there's no real effect on running queries or connections
(at least no detrimental ones I can think of.)
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