Re: ZFS filesystem - supported ?

From: Imre Samu <pella(dot)samu(at)gmail(dot)com>
To: Mladen Gogala <gogala(dot)mladen(at)gmail(dot)com>
Cc: "pgsql-generallists(dot)postgresql(dot)org" <pgsql-general(at)lists(dot)postgresql(dot)org>
Subject: Re: ZFS filesystem - supported ?
Date: 2021-10-27 00:50:44
Message-ID: CAJnEWw=Mv7sx8YdkqX81cKPDsb7F7Zqsm41MZnGPQM-3=eNiEQ@mail.gmail.com
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-general

> Phoronix has some very useful benchmarks:
>
https://www.phoronix.com/scan.php?page=news_item&px=Linux-5.14-File-Systems
> Ext4 is much better than XFS with SQLite tests and almost equal with
> MariaDB test. PostgreSQL is a relational database (let's forget the
> object part for now) and the IO patterns will be similar to SQLite and
> MariaDB.

there is a link from the Phoronix page to the full OpenBenchmarking.org
result file
and multiple PostgreSQL 13 pgbench results included:
https://openbenchmarking.org/result/2108260-PTS-SSDS978300&sor&ppt=D&oss=postgres
( XFS, F2FS, EXT4, BTRFS )

Regards,
Imre

Mladen Gogala <gogala(dot)mladen(at)gmail(dot)com> ezt írta (időpont: 2021. okt. 27.,
Sze, 1:42):

>
> On 10/26/21 05:35, Laura Smith wrote:
> > Curious, when it comes to "traditional" filesystems, why ext4 and not
> xfs ? AFAIK the legacy issues associated with xfs are long gone ?
>
> XFS is not being very actively developed any more. Ext4 is being
> actively developed and it has some features to help with SSD space
> allocation. Phoronix has some very useful benchmarks:
>
> https://www.phoronix.com/scan.php?page=news_item&px=Linux-5.14-File-Systems
>
> Ext4 is much better than XFS with SQLite tests and almost equal with
> MariaDB test. PostgreSQL is a relational database (let's forget the
> object part for now) and the IO patterns will be similar to SQLite and
> MariaDB. That benchmark is brand new, done on the kernel 5.14. Of
> course, the only guarantee is doing your own benchmark, with your own
> application.
>
> --
> Mladen Gogala
> Database Consultant
> Tel: (347) 321-1217
> https://dbwhisperer.wordpress.com
>
>
>
>

In response to

Responses

Browse pgsql-general by date

  From Date Subject
Next Message Mladen Gogala 2021-10-27 00:55:45 Re: ZFS filesystem - supported ?
Previous Message Mladen Gogala 2021-10-27 00:50:29 Re: ZFS filesystem - supported ?