Re: Does btrfs on Linux have a negative performance impact for PostgreSQL 13?

From: Christophe Pettus <xof(at)thebuild(dot)com>
To: Simon Connah <simon(dot)n(dot)connah(at)protonmail(dot)com>
Cc: "pgsql-performance(at)postgresql(dot)org" <pgsql-performance(at)postgresql(dot)org>
Subject: Re: Does btrfs on Linux have a negative performance impact for PostgreSQL 13?
Date: 2021-04-24 19:02:50
Message-ID: 81E57D2B-58F5-4AA7-994E-899B6E93610A@thebuild.com
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> On Apr 24, 2021, at 11:27, Simon Connah <simon(dot)n(dot)connah(at)protonmail(dot)com> wrote:
>
> I'm curious, really. I use btrfs as my filesystem on my home systems and am setting up a server as I near releasing my project. I planned to use btrfs on the server, but it got me thinking about PostgreSQL 13. Does anyone know if it would have a major performance impact?

This is a few years old, but Tomas Vondra did a presentation comparing major Linux file systems for PostgreSQL:

https://www.slideshare.net/fuzzycz/postgresql-on-ext4-xfs-btrfs-and-zfs

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