Re: AutoVacuum starvation from sinval messages

From: Andres Freund <andres(at)anarazel(dot)de>
To: Simon Riggs <simon(at)2ndQuadrant(dot)com>
Cc: Jeff Janes <jeff(dot)janes(at)gmail(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: AutoVacuum starvation from sinval messages
Date: 2012-11-08 22:50:12
Message-ID: 20121108225012.GA18962@awork2.anarazel.de
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On 2012-11-08 22:40:43 +0000, Simon Riggs wrote:
> On 8 November 2012 20:36, Jeff Janes <jeff(dot)janes(at)gmail(dot)com> wrote:
>
> > It does not seem outrageous to me that there would be real-world
> > conditions in which invalidations would be sent more than once a
> > minute over prolonged periods, so this total starvation seems like a
> > bug.
>
> Yes, its a bug, but do you really believe the above? In what cases?

Temporary tables might a good contender.

Greetings,

Andres Freund

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