I have long-running prevent wraparound VACUUM (it has been running for
6 days at the moment). The question is: if I interrupt this process in
some way (restart database, for instance), will it start from the
beginning? On the one hand, it opens a new transaction at the
beginning (according to the source code), on the other hand it updates
some data on the disk (WAL?). It confuses me. Could someone please
explain me this?
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With best regards, Andrey Zhidenkov
