Re: Hot Standby and VACUUM FULL

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От Simon Riggs
Тема Re: Hot Standby and VACUUM FULL
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Msg-id 1265037339.13782.12328.camel@ebony
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Ответ на Re: Hot Standby and VACUUM FULL  (Tom Lane <tgl@sss.pgh.pa.us>)
Ответы Re: Hot Standby and VACUUM FULL  (Tom Lane <tgl@sss.pgh.pa.us>)
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On Mon, 2010-02-01 at 10:06 -0500, Tom Lane wrote:

> the assumption that the file is less than one disk block,
> it should be just as atomic as pg_control updates are.

IIRC there were 173 relations affected by this. 4 bytes each we would
have more than 512 bytes.

ISTM you need to treat some of those system relations just as normal
relations rather than give everybody a map entry.

-- Simon Riggs           www.2ndQuadrant.com



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