Re: AW: postgresql long running query - Mailing list pgsql-admin

From liam saffioti
Subject Re: AW: postgresql long running query
Date
Msg-id CAGHjuaam+KTuvGXXF0p=vK2-nNCgBmjbnuMHcf9GrA4oUR_O9w@mail.gmail.com
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In response to Re: AW: postgresql long running query  (Mladen Gogala <gogala.mladen@gmail.com>)
Responses Re: AW: postgresql long running query  ("androxkentaki ." <androxkentaki@gmail.com>)
Re: AW: postgresql long running query  (Jeff Janes <jeff.janes@gmail.com>)
List pgsql-admin
Hi everyone,

Thank you for your help. But my query is not always slow. It works fast under normal conditions, but in a way that I don't understand it works very slow at some times.
I think there may be a different reason why a query that takes 800ms, in general, takes 18 minutes at a time.

Thanks a lot
Liam

Mladen Gogala <gogala.mladen@gmail.com>, 8 Ara 2021 Çar, 17:11 tarihinde şunu yazdı:
On 12/8/21 06:13, Dischner, Anton wrote:

 

Do optimizer hints in PG exists?

 

Obviously not: https://wiki.postgresql.org/wiki/OptimizerHintsDiscussion

Yes, they do exist: http://pghintplan.osdn.jp/pg_hint_plan.html

Packages can be downloaded here: https://osdn.net/projects/pghintplan/releases/73862

There is no package for version 14, you will have to build it from the source:

https://github.com/ossc-db/pg_hint_plan

-- 
Mladen Gogala
Database Consultant
Tel: (347) 321-1217
https://dbwhisperer.wordpress.com

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