On Thu, Nov 08, 2018 at 05:04:35AM +0000, Andrew Gierth wrote: > How? It's OK (and normal) for in-core pages to have newer LSNs than > minRecoveryPoint, it's only on-disk pages that must not be more recent > than that. And pageinspect will show the in-core page...
If the standby is stopped cleanly once, what's in shared buffers gets flushed to disk by the checkpointer once at shutdown, forcing minRecoveryPoint to be updated by the checkpointer, and that update was not happening beforethe fix. And once the standby is started again, what's on disk gets reloaded, showing the inconsistency. -- Michael
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