Re: Database creation performance drop going from pg 14 to pg 15+

From: Thomas Munro <thomas(dot)munro(at)gmail(dot)com>
To: Mahdi Bahrami <pgsql(at)mahdibm(dot)com>
Cc: Álvaro Herrera <alvherre(at)kurilemu(dot)de>, pgsql-performance(at)lists(dot)postgresql(dot)org
Subject: Re: Database creation performance drop going from pg 14 to pg 15+
Date: 2025-05-28 11:29:04
Message-ID: CA+hUKGJaCTTspp7bQPG2nwDmzk_XzAdNvFwcx4sWHt2QUEK4QA@mail.gmail.com
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On Wed, May 28, 2025 at 11:09 PM Mahdi Bahrami <pgsql(at)mahdibm(dot)com> wrote:
> their tests now run in 15s instead of 1m30s

Wow. If/when they get to v18, they might also try setting
file_copy_method=clone when using strategy=file_copy.

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