Re: Freezing without write I/O

From: Andres Freund <andres(at)2ndquadrant(dot)com>
To: Heikki Linnakangas <hlinnakangas(at)vmware(dot)com>
Cc: Robert Haas <robertmhaas(at)gmail(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Freezing without write I/O
Date: 2013-08-30 18:34:37
Message-ID: 20130830183437.GB6794@awork2.anarazel.de
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Hi Heikki,

On 2013-08-27 18:56:15 +0300, Heikki Linnakangas wrote:
> Here's an updated patch. The race conditions I mentioned above have been
> fixed.

Thanks for posting the new version!

I have a quick question: The reason I'd asked about the status of the
patch was that I was thinking about the state of the "forensic freezing"
patch. After a quick look at your proposal, we still need to freeze in
some situations (old & new data on the same page basically), so I'd say
it still makes sense to apply the forensic freezing patch, right?

Differing Opinions?

Greetings,

Andres Freund

--
Andres Freund http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services

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