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

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On Wed, Nov 7, 2012 at 10:42 AM, Bruce Momjian <bruce@xxxxxxxxxx> wrote:
> 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.

about 5000 tables spread across 5 databases.


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