From: Christoph Hellwig <hch@infradead.org>
To: Chris Mason <clm@meta.com>
Cc: Christoph Hellwig <hch@infradead.org>,
Linux regressions mailing list <regressions@lists.linux.dev>,
Sergei Trofimovich <slyich@gmail.com>,
Josef Bacik <josef@toxicpanda.com>,
Christopher Price <pricechrispy@gmail.com>,
anand.jain@oracle.com, boris@bur.io, clm@fb.com,
dsterba@suse.com, linux-btrfs@vger.kernel.org
Subject: Re: [6.2 regression][bisected]discard storm on idle since v6.1-rc8-59-g63a7cb130718 discard=async
Date: Tue, 4 Apr 2023 23:18:48 -0700 [thread overview]
Message-ID: <ZC0SyJbFJuS2ZEOY@infradead.org> (raw)
In-Reply-To: <41141706-2685-1b32-8624-c895a3b219ea@meta.com>
On Tue, Apr 04, 2023 at 02:15:38PM -0400, Chris Mason wrote:
> It seems like a good time to talk through a variations of discard usage
> in fb data centers. We run a pretty wide variety of hardware from
> consumer grade ssds to enterprise ssds, and we've run these on
> ext4/btrfs/xfs.
Remember what you guys call consumer grade is the top of the shelve
consumer grade SSDs, or in fact low-end enterprise ones that are based
on the latest and greatest top shelve SSDs with firmware specifically
tweaked for you. That is a whole differnet level from random crappy
no-name SSD from 5 years ago.
next prev parent reply other threads:[~2023-04-05 6:18 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-20 22:40 [6.2 regression][bisected]discard storm on idle since v6.1-rc8-59-g63a7cb130718 discard=async Christopher Price
2023-03-21 21:26 ` Josef Bacik
2023-03-22 8:38 ` Christoph Hellwig
2023-03-23 22:26 ` Sergei Trofimovich
2023-04-04 10:49 ` Linux regression tracking (Thorsten Leemhuis)
2023-04-04 16:04 ` Christoph Hellwig
2023-04-04 16:20 ` Roman Mamedov
2023-04-04 16:27 ` Christoph Hellwig
2023-04-04 23:37 ` Damien Le Moal
2023-04-04 18:15 ` Chris Mason
2023-04-04 18:51 ` Boris Burkov
2023-04-04 19:22 ` David Sterba
2023-04-04 19:39 ` Boris Burkov
2023-04-05 8:17 ` Linux regression tracking (Thorsten Leemhuis)
2023-04-10 2:03 ` Michael Bromilow
2023-04-11 17:52 ` David Sterba
2023-04-11 18:15 ` Linux regression tracking (Thorsten Leemhuis)
2023-04-04 19:08 ` Sergei Trofimovich
2023-04-05 6:18 ` Christoph Hellwig [this message]
2023-04-05 12:01 ` Chris Mason
2023-04-04 18:23 ` Boris Burkov
2023-04-04 19:12 ` Sergei Trofimovich
[not found] <Y/+n1wS/4XAH7X1p@nz>
2023-03-02 8:04 ` Linux regression tracking #adding (Thorsten Leemhuis)
2023-04-04 10:52 ` Linux regression tracking #update (Thorsten Leemhuis)
2023-04-21 13:56 ` Linux regression tracking #update (Thorsten Leemhuis)
[not found] ` <94cf49d0-fa2d-cc2c-240e-222706d69eb3@oracle.com>
[not found] ` <20230302105406.2cd367f7@nz>
2023-03-15 11:44 ` Linux regression tracking (Thorsten Leemhuis)
2023-03-15 16:34 ` Sergei Trofimovich
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