On tis, 2009-12-01 at 19:41 +0000, Greg Stark wrote:
> > Also, it would
> > require reading back each page as it's written to disk, which is OK
> for
> > a bunch of single-row writes, but for bulk data loads a significant
> problem.
>
> Not sure what that really means for Postgres. It would just mean
> reading back the same page of memory from the filesystem cache that we
> just read.
Surely the file system ought to be the place where to solve this. After
all, we don't put link-level corruption detection into the libpq
protocol either.