On 26/02/10 14:10, Heikki Linnakangas wrote:

Ideally the standby would stash away the old pages or tuples somewhere
so that it can still access them even after replaying the WAL records
that remove them from the main storage. I realize that's not going to
happen any time soon because it's hard to do, but that would really be
the most robust fix possible.

Something like snapshotting a filesystem, so updates continue while you're still looking at a static version.

--
  Richard Huxton
  Archonet Ltd

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