Tom Lane wrote:
> Neil Conway <[EMAIL PROTECTED]> writes:
> > I don't see a major problem with allowing postgres to login if the
> > connection limit is hit (although I'm not sure it's worth the worry,
> > when 'kill a backend executing SELECT ; psql template1 postgres' works
> > as-is).
> 
> max_connections is a hard limit; you do not have the option of letting
> people in anyway, because there'll be no PROC slot for them.
> 
> We could consider establishing a "soft" connection limit that's somewhat
> less than max_connections, and allowing non-superusers to log in only
> if the soft limit hasn't been exceeded.  This does not guarantee that
> superusers can always get in: the extra slots might have been filled by
> other superuser connections.  But it'd give them better odds than the
> rabble.
> 
> I tend to concur with Neil that the usefulness of such a feature is
> dubious.  But OTOH such a practice has always existed for Unix disk
> space --- maybe we should respect that precedent.

Yea, added to TODO:

        * Reserve last process slot for super-user if max_connections reached

-- 
  Bruce Momjian                        |  http://candle.pha.pa.us
  [EMAIL PROTECTED]               |  (610) 359-1001
  +  If your life is a hard drive,     |  13 Roberts Road
  +  Christ can be your backup.        |  Newtown Square, Pennsylvania 19073

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