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

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От Lonni J Friedman
Тема Re: pg_upgrade from 9.1 to 9.2 takes a really long time (compared to previous versions)?
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Msg-id CAP=oouG70Jdu3d8jYEvA4T0_MZnzmV+Zqe2nt0kz63HvZ6UJBQ@mail.gmail.com
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Ответ на Re: pg_upgrade from 9.1 to 9.2 takes a really long time (compared to previous versions)?  (Bruce Momjian <bruce@momjian.us>)
Ответы 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 12:59 PM, Bruce Momjian <bruce@momjian.us> wrote:
> On Wed, Nov  7, 2012 at 10:44:12AM -0800, Lonni J Friedman wrote:
>> On Wed, Nov 7, 2012 at 10:42 AM, Bruce Momjian <bruce@momjian.us> 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.
>
> That should not take very long.  Are you using link mode?

Nope.  The command that I used was:
pg_upgrade -b /usr/pgsql-9.1/bin -B /usr/pgsql-9.2/bin -d
/var/lib/pgsql/9.1/data -D /var/lib/pgsql/9.2/data


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