sreekanth vajrapu <sreekanthvajrapu@gmail.com> writes:
> One of our customers said that they are getting the following issue after
> they upgraded from postgresql 9.0.4 to postgresql 12.2.
> *LOG: Failed to reopen the file pg_stat/global.stat retrying*
There is no such error string in PG 12, so far as I can find.
Either you didn't spell it correctly, or it's coming from
some kind of add-on code.
regards, tom lane