Re: [PATCHES] Proposed patch: synchronized_scanning GUCvariable

From: Simon Riggs <simon(at)2ndquadrant(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Zeugswetter Andreas ADI SD <Andreas(dot)Zeugswetter(at)s-itsolutions(dot)at>, Guillaume Smet <guillaume(dot)smet(at)gmail(dot)com>, Euler Taveira de Oliveira <euler(at)timbira(dot)com>, Heikki Linnakangas <heikki(at)enterprisedb(dot)com>, Neil Conway <neilc(at)samurai(dot)com>, Gregory Stark <stark(at)enterprisedb(dot)com>, "Jonah H(dot) Harris" <jonah(dot)harris(at)gmail(dot)com>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: [PATCHES] Proposed patch: synchronized_scanning GUCvariable
Date: 2008-01-30 18:15:32
Message-ID: 1201716932.4453.138.camel@ebony.site
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-hackers pgsql-patches

On Wed, 2008-01-30 at 13:07 -0500, Tom Lane wrote:
> "Zeugswetter Andreas ADI SD" <Andreas(dot)Zeugswetter(at)s-itsolutions(dot)at> writes:
> > One more question. It would be possible that a session that turned off
> > the synchronized_seqscans still be a pack leader for other later
> > sessions.
> > Do/should we consider that ?
>
> Seems like a reasonable thing to consider ... for 8.4.

Definitely. I thought about this the other day and decided it had some
strange behaviour in some circumstances, so wouldn't be desirable
overall.

--
Simon Riggs
2ndQuadrant http://www.2ndQuadrant.com

In response to

Browse pgsql-hackers by date

  From Date Subject
Next Message Heikki Linnakangas 2008-01-30 18:42:04 Re: [PATCHES] Proposed patch: synchronized_scanning GUC variable
Previous Message Tom Lane 2008-01-30 18:07:50 Re: [PATCHES] Proposed patch: synchronized_scanning GUCvariable

Browse pgsql-patches by date

  From Date Subject
Next Message Heikki Linnakangas 2008-01-30 18:42:04 Re: [PATCHES] Proposed patch: synchronized_scanning GUC variable
Previous Message Tom Lane 2008-01-30 18:07:50 Re: [PATCHES] Proposed patch: synchronized_scanning GUCvariable