Alvaro Herrera <alvhe...@2ndquadrant.com> writes: > Hmmm, I'm fairly sure you should have bumped XLOG_PAGE_MAGIC for this > change. Otherwise, what is going to happen to an unpatched standby (of > released versions) that receives the new WAL record from a patched > primary?
We can't change XLOG_PAGE_MAGIC in released branches, surely. I think the correct thing is just for the release notes to warn people to upgrade standby servers first. regards, tom lane