BTW is it just a coincidence or are all the affected tables pg_authid?
Maybe the problem is shared relations ..? Maybe the fact that they have
separate relfrozenxid (!?) in different databases?
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Álvaro Herrera https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
We have had this problem twice and both times on both pg_authid and pg_auth_members. Thanks,
Jeremy