On 2014-02-28 10:44:14 +0000, Greg Stark wrote:
> On 28 Feb 2014 06:19, "Andres Freund" <and...@2ndquadrant.com> wrote:
> > Generally the LSN is computed when writing, not when a buffer is
> > modified, so that's not particularly surprising. It'd be interesting to
> > see what the records are that end on those LSNs.
> The checksum you mean? But that's why I ran checkpoint.
The checksum is computed in a copy of the buffer, not in the
original. C.f. PageSetChecksumCopy().
Andres Freund http://www.2ndQuadrant.com/
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