Re: Superuser Reserved Backend Slots - TODO item

Your patch has been added to the PostgreSQL unapplied patches list at:

http://candle.pha.pa.us/cgi-bin/pgpatches

I will try to apply it within the next 48 hours.

---------------------------------------------------------------------------

Nigel J. Andrews wrote:
>
>
> This patch reserves the last superuser_reserved_connections slots for
> connections by the superuser only.
>
> This patch replaces the last patch I sent a couple of days ago.
>
> It closes a connection that has not been authorised by a superuser if it would
> leave less than the GUC variable ReservedBackends
> (superuser_reserved_connections in postgres.conf) backend process slots free
> in the SISeg. This differs to the first patch which only reserved the last
> ReservedBackends slots in the procState array. This has made the free slot
> test more expensive due to the use of a lock.
>
> After thinking about a comment on the first patch I've also made it a fatal
> error if the number of reserved slots is not less than the maximum number of
> connections.
>
> Passes 'make check' and behaves as expected in my manual tests.
>
>
> --
> Nigel J. Andrews
> Director
>
> ---
> Logictree Systems Limited
> Computer Consultants

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