Re: postgresql idle

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От Bruce Momjian
Тема Re: postgresql idle
Дата
Msg-id 200404300154.i3U1s8P00687@candle.pha.pa.us
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Ответ на Re: postgresql idle  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: postgresql idle  (Alvaro Herrera <alvherre@dcc.uchile.cl>)
Список pgsql-general
Is this a TODO?

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

Tom Lane wrote:
> Andrew Sullivan <ajs@crankycanuck.ca> writes:
> > On Thu, Apr 29, 2004 at 03:57:59PM -0400, Andrew Rawnsley wrote:
> >> I find that some clients (DBVisualizer for one) do exactly that -
> >> execute the COMMIT;BEGIN sequence, and leaves idle
> >> transactions on a consistent basis.
>
> > Almost all the things I've see that set the autocommit behaviour will
> > also do this.  I suspect it's a pretty common approach.
>
> Yeah.  We agreed in principle awhile back to "fix" this on the backend
> side by postponing the actual transaction start until the first command
> after BEGIN.  I looked at this just before 7.4 feature freeze, but
> decided it wasn't quite trivial and I hadn't time to make it happen.
> No one's gone back to work on it during the 7.5 cycle either.
>
> Right now I'm not wanting to touch that code since both Alvaro and the
> 2PC guy have open patches against it...
>
>             regards, tom lane
>
> ---------------------------(end of broadcast)---------------------------
> TIP 7: don't forget to increase your free space map settings
>

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