Re: pg_upgrade from 9.1 to 9.2 takes a really long time (compared to previous versions)?

On Fri, Oct 19, 2012 at 02:44:05PM -0700, Lonni J Friedman wrote:
> Greetings,
> I'm in the process of planning for a production upgrade from 9.1.6 to
> 9.2.x (all Linux-x86-64).  In my staging environment (which has the
> same versions), I kicked off pg_upgrade about 5 hours ago, and its
> still not done.  It is making progress, so I don't think anything has
> gone wrong, beyond it taking much longer than anticipated.
>
> When I used pg_upgrade to go from 9.0.x to 9.1.x, it finished in just
> under an hour.  There is admittedly about three times as much data (in
> terms of disk usage) now than when I upgraded from 9.0.x.  Would that
> explain the increased time needed to do the upgrade?  Or is there
> something about the upgrade to 9.2.x that requires a lot more time?
>
> I'm trying to understand if what I'm seeing is expected, normal
> behavior, or if something might not be right.

Odd.  How many object/tables do you have?  I have just patched 9.2 to
improve upgrades for clusters with many objects.

--
  Bruce Momjian  <bruce@momjian.us>        http://momjian.us
  EnterpriseDB                             http://enterprisedb.com

  + It's impossible for everything to be true. +