Tom Lane wrote: > I'll bet they're all trying to do anti-wraparound vacuums. This would > explain why the problem hasn't been observed often enough to have been > fixed long since. Ah, that should have been obvious, shouldn't it. I'm able to reproduce the problem by moving relfrozenxid backwards for a shared catalog, and I can confirm that it works correctly with the patch proposed, so I have pushed it to all branches. (I only tested the problem scenario in 9.1 and master, since it's too much manual work). Thanks for the report! -- Álvaro Herrera http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services -- Sent via pgsql-admin mailing list (pgsql-admin@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-admin
