* Josh Berkus (j...@agliodbs.com) wrote: > On 05/31/2013 12:22 PM, Stephen Frost wrote: > > Where I'm going with this whole thing is simply that I do worry a bit > > about using a bitmap for freeze, or similar, information and not being > > able to reconstruct that bitmap from the heap. Perhaps that's overly > > paranoid, but, well, we also write the same data out to disk in multiple > > places multiple times- some might call that paranoid too. ;) > > On the other hand, we could combine Heikki's proposal (epoch numbers in > the page header) together with using the visibility map for pages we > don't need to vacuum freeze, and get vastly better behavior without > increasing corruption risk that I can see.
That was actually my thinking as well..
Thanks,
Stephen
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