Bruce Momjian <bruce@momjian.us> writes:
>> The attached patch adds a new postmaster/postgres binary upgrade mode
>> (-b) which disables autovacuum, allows only super-user connections, and
>> prevents pg_upgrade_support oid assignment when not in upgrade mode.
>> It also modifies pg_upgrade to use this new mode rather than play with
>> trying to stop autovacuum.
> One big problem with this patch is that it will not allow people to use
> pg_upgrade when upgrading from 9.1 alpha to beta.
Huh? Why would that be? Seems like you've done something in the wrong
place if that's an issue.
regards, tom lane