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

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От decibel
Тема Page-level version upgrade (was: Block-level CRC checks)
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Msg-id 66AFAD32-1C91-464A-8020-48B5F08E9EB5@decibel.org
обсуждение исходный текст
Ответ на Re: Block-level CRC checks  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: Page-level version upgrade (was: Block-level CRC checks)  (Greg Stark <gsstark@mit.edu>)
Список 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@nasby.net
512.569.9461 (cell)                         http://jim.nasby.net




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