Simon Riggs <simon(at)2ndQuadrant(dot)com> writes:
> I notice that StartupCLOG zeroes out entries later than the nextxid when
> we complete recovery in StartupXLOG, reason given is safety in case we
> crash.
> ISTM that we should also do that whenever we see a Shutdown Checkpoint
> in WAL, since that can be caused by a shutdown immediate, shutdown abort
> or crash.
Er, what? The definition of a crash is the *lack* of a shutdown
checkpoint.
regards, tom lane