Andres Freund <and...@2ndquadrant.com> writes:
> Tom Lane <t...@sss.pgh.pa.us> schrieb:
>> Uh ... what does the last have to do with it? Surely we don't run
>> VACUUM on replicas. Or are you talking about what might happen when
>> VACUUM is run on a former replica that's been promoted to master?
> Unfortunately not. The problem is that xl_heap_freeze's redo function simply
> reexecutes heap-freeze-tuple() instead of logging much about each tuple...
That was a pretty stupid choice ... we should think seriously about
changing that for 9.4. In general the application of a WAL record
needs to be 100% deterministic.
regards, tom lane
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