Re: How does Postgres decide if to use additional workers?

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От luis.roberto@siscobra.com.br
Тема Re: How does Postgres decide if to use additional workers?
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Msg-id 492432164.43033181.1612887786512.JavaMail.zimbra@siscobra.com.br
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Ответ на How does Postgres decide if to use additional workers?  (Thorsten Schöning<tschoening@am-soft.de>)
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De: "Thorsten Schöning" <tschoening@am-soft.de>
Para: "pgsql-general" <pgsql-general@lists.postgresql.org>
Enviadas: Terça-feira, 9 de fevereiro de 2021 12:52:02
Assunto: How does Postgres decide if to use additional workers?
So, based on which facts does Postgres decide if to use aadditional
workers or not? Can I see those decisions explained somewhere? I don't
see anything in the query plan. Thanks!

Mit freundlichen Grüßen

Thorsten Schöning



Hi!

I think you should look into min_parallel_table_scan_size and min_parallel_index_scan_size  GUCs.


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