linux-ext4 - [Bug 217965] ext4(?) regression since 6.5.0 on sata hdd

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Message-ID: <bug-217965-13602-CZj4kvwVAZ@https.bugzilla.kernel.org/>
Date:   Fri, 20 Oct 2023 10:24:17 +0000
From:   bugzilla-daemon@...nel.org
To:     linux-ext4@...r.kernel.org
Subject: [Bug 217965] ext4(?) regression since 6.5.0 on sata hdd

https://bugzilla.kernel.org/show_bug.cgi?id=217965

--- Comment #17 from Ojaswin Mujoo (ojaswin.mujoo@....com) ---
Hey Ivan, Eduard,

Thanks for all the data. The iostat suggests that we are breaking up the writes
much more as seen in the wareq-sz  field, which is much lower in the regressed
kernel. Further, since the issue is only when striping is used (ie in raid
scenarios) it seems like it has something to do with raiding.

Eduard's replicator seems much easier to try so let me see if I'm able to
replicate this over a raid setup of HDDs.

Regards,
ojaswin

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