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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