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Page-level version upgrade (was: Block-level CRC checks)

From: decibel <decibel(at)decibel(dot)org>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Simon Riggs <simon(at)2ndQuadrant(dot)com>, Bruce Momjian <bruce(at)momjian(dot)us>, Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>, Aidan Van Dyk <aidan(at)highrise(dot)ca>, Alvaro Herrera <alvherre(at)commandprompt(dot)com>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Page-level version upgrade (was: Block-level CRC checks)
Date: 2009-12-01 21:58:10
Message-ID: 66AFAD32-1C91-464A-8020-48B5F08E9EB5@decibel.org (view raw or flat)
Thread:
Lists: pgsql-hackers
On Dec 1, 2009, at 12:58 PM, Tom Lane wrote:
> The bottom line here seems to be that the only practical way to do
> anything like this is to move the hint bits into their own area of
> the page, and then exclude them from the CRC.  Are we prepared to
> once again blow off any hope of in-place update for another release
> cycle?


What happened to the work that was being done to allow a page to be  
upgraded on the fly when it was read in from disk?
--
Jim C. Nasby, Database Architect                   jim(at)nasby(dot)net
512.569.9461 (cell)                         http://jim.nasby.net



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Subject: Re: [CORE] EOL for 7.4?
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