On Tue, 2024-02-20 at 10:02 +0530, Rajesh Kumar wrote: > Is autovacuum wraparound issue is when transaction id reaches > autovacuum_freeze_max_age or if transaction Reaches 2^32. > > My autovacuum_freeze_age setting is 200million. > > Db size is 150gb.
2^31 is the magical number at which very old transactions become transactions from the future, which would cause data loss unless all old rows have been frozen.
