Tom Lane wrote:
>
Thanks for the info. Very interesting reading!
> Bruce thinks that the pg_upgrade script will ensure that the system-
> table tuples are all in frozen states (by VACUUMing them). I don't
> trust it worth a dime, myself. Maybe it will work, but it hasn't been
> proven in the field. So, if you'd like to try it, by all means do so
> --- but make a pg_dump backup first! And let us know whether you have
> problems or not!
I never tried it; I did an old fashion dump+initdb+restore. So, we will not know whether pg_upgrade is OK or not, at
leastfor now. :(
Regards,
Palle