Re: question about parallel. i read document and i can't solve it. provide the solution please.

From: "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com>
To: "gyyoono4u(at)gmail(dot)com" <gyyoono4u(at)gmail(dot)com>, "pgsql-docs(at)lists(dot)postgresql(dot)org" <pgsql-docs(at)lists(dot)postgresql(dot)org>
Subject: Re: question about parallel. i read document and i can't solve it. provide the solution please.
Date: 2025-11-10 12:05:09
Message-ID: CAKFQuwYWC3wOLHQ1GwpxJqk9VuRzSmYCTyzWiBYub95U-cM_wQ@mail.gmail.com
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On Sunday, November 9, 2025, PG Doc comments form <noreply(at)postgresql(dot)org>
wrote:

> The following documentation comment has been logged on the website:
>
> Page: https://www.postgresql.org/docs/18/when-can-parallel-
> query-be-used.html
> Description:
>
> I'm inquiring because I have some problem getting parallel processing to
> run
> effectively in PostgreSQL.

This is not the right place to seek support. We have a -general mailing
list for that.

>
> How can I increase the Workers Launched value to match the Workers Planned
> value, or at least raise it to 4?

That level of control is not provided.

>
> I want to use parallel to speed up for index creation and data insertion
>

This page clearly states that data writing is not parallelized.

David J.

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