PostgreSQL: the good, the bad, and the ugly

Posted May 21, 2015 22:46 UTC (Thu) by andresfreund (subscriber, #69562)
In reply to: PostgreSQL: the good, the bad, and the ugly by jberkus
Parent article: PostgreSQL: the good, the bad, and the ugly

> So we haven't actually change the on-disk format for a while (since 8.3).

I'd personally consider the catalogs a part of the on-disk format. It's just that we have a offline migration tool for it (pg_dump in binary upgrade mode).