| From: | Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> |
|---|---|
| To: | Bruce Momjian <bruce(at)momjian(dot)us> |
| Cc: | Jeff Janes <jeff(dot)janes(at)gmail(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: pg_upgrade on high number tables database issues |
| Date: | 2014-03-10 18:40:42 |
| Message-ID: | CAFj8pRDBQH6poumRU0vvVB3bF8qThNdMJOqTNUNQeypF1EHSoQ@mail.gmail.com |
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| Lists: | pgsql-hackers |
> >
> > There were several bottlenecks in this area removed in 9.2 and 9.3.
> > Unfortunately the worst of those bottlenecks were in the server, so they
> depend
> > on what database you are upgrading from, and so won't help you much
> upgrading
> > from 9.1.
>
> Yes, I assume 9.3 will be much better, though Jeff is right that if it
> is pg_dump locking that is hurting you, you might not see a win even in
> 9.3.
>
I'll see it next year when we plan to migrate to 9.4
I though so some form of "superlock" can be interesting, because nobody can
work with database when it is upgraded.
Regards
Pavel
>
> --
> Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
> EnterpriseDB http://enterprisedb.com
>
> + Everyone has their own god. +
>
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