From: | Дмитрий Иванов <firstdismay(at)gmail(dot)com> |
---|---|
To: | Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com> |
Cc: | pgsql-general <pgsql-general(at)postgresql(dot)org> |
Subject: | Re: Difference in execution plans pg12 vs pg14 |
Date: | 2021-12-11 02:33:39 |
Message-ID: | CAPL5KHpcK6242Bi3HvFXh8TdYiwBy6-UTsJpeTF6-mTv9jmmGA@mail.gmail.com |
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Lists: | pgsql-general |
Yes, I did.
Step1
sudo /usr/lib/postgresql/14/bin/pg_dump --file
"/home/dismay/uchet/Uchet.backup" --host "server" --port "5999" --username
"back" --no-password --verbose --format=c --quote-all-identifiers --blobs
--disable-triggers --encoding="UTF8" "Uchet"
Step2
Manual DROP/CREATE BASE from template 0 (We have to do this because of the
difference in locales Win EDB 'Russian_Russia.1251' <> Debian 'ru_RU.UTF-8')
Step3
sudo /usr/lib/postgresql/14/bin/pg_restore --host "127.0.0.1" --port "5998"
--username "back" --no-password --dbname "Uchet" --disable-triggers
--format=c --verbose "/home/dismay/uchet/Uchet.backup" 2>
"/home/dismay/uchet/uchet_all.log"
--
Regards, Dmitry!
сб, 11 дек. 2021 г. в 06:59, Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com>:
> On 12/10/21 17:51, Дмитрий Иванов wrote:
> > Yes, I did.
> > I reset table statistics, did (VACUUM) ANALYZE, recreated index. Nothing
> > changes.
> > I've deleted the database many times, dozens of times. Maybe something
> > is broken?
>
> How did you do the upgrade?
>
> > --
> > Regards, Dmitry!
> >
> >
> > сб, 11 дек. 2021 г. в 06:13, Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com
> > <mailto:adrian(dot)klaver(at)aklaver(dot)com>>:
> >
> > On 12/10/21 17:00, Дмитрий Иванов wrote:
> > > Afternoon. I was able to make the necessary changes to my base
> > needed to
> > > migrate win_pg12 to debian pg14.
> > > But there is a new problem, which was not there at the initial
> > stage so
> > > I checked:
> > >
> > > win_pg12:
> > > -> Index Scan using index_class_tree_full on class c
> > (cost=0.28..2.50
> > > rows=1 width=235) (actual time=0.030..0.032 rows=1 loops=1)
> > > Index Cond: (id = 650)
> > > debian_pg14:
> > > -> Index Scan using index_class_tree_full on class c
> > (cost=0.28..2.50
> > > rows=1 width=235) (actual time=842.795..842.796 rows=1 loops=1)
> > > Index Cond: (id = 650)
> > >
> > > I'm wondering where to dig next...
> >
> > Did you run ANALYZE(updates table stats) on the 14 instance after
> doing
> > the upgrade?
> >
> > > --
> > > Best regards, Dmitry!
> >
> >
> > --
> > Adrian Klaver
> > adrian(dot)klaver(at)aklaver(dot)com <mailto:adrian(dot)klaver(at)aklaver(dot)com>
> >
>
>
> --
> Adrian Klaver
> adrian(dot)klaver(at)aklaver(dot)com
>
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