Re: [ADMIN] question on pg_ctl

On Mon, Sep 22, 2008 at 11:49 AM, Tena Sakai <tsakai@gallo.ucsf.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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