On 2015-11-30 12:58:43 -0500, Bruce Momjian wrote: > I would not bother mentioning this detail in the pg_upgrade manual page: > > + Since the format of visibility map has been changed in version 9.6, > + <application>pg_upgrade</> creates and rewrite new > <literal>'_vm'</literal> > + file even if upgrading from 9.5 or before to 9.6 or later with link mode > (-k).
Might be worthwhile to keep as that influences the runtime for link mode when migrating <9.6 -> 9.6. -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers