From: bugzilla-daemon@kernel.org
To: linux-f2fs-devel@lists.sourceforge.net
Subject: [f2fs-dev] [Bug 216050] f2fs_gc occupies 100% cpu
Date: Wed, 07 Dec 2022 00:00:14 +0000 [thread overview]
Message-ID: <bug-216050-202145-w5PqmdpUwG@https.bugzilla.kernel.org/> (raw)
In-Reply-To: <bug-216050-202145@https.bugzilla.kernel.org/>
https://bugzilla.kernel.org/show_bug.cgi?id=216050
--- Comment #108 from Yuriy Garin (yuriy.garin@gmail.com) ---
Thanks!
How can you tell on what disk it happens? I have two nvme - one "plain" f2fs
root, another is f2fs on dm-crypt - that's home, where a lot of compilation
happens.
From logs and stats I cannot tell where f2fs GC problem occurs. What should I
look for?
If I would know problematic disk, I would increase load on that disk.
Second question:
/sys/fs/f2fs atgc_age_threshold has 604800 value. That's 1 week. Changing it to
one day or 4 hours - will it really help to trigger problem? If it will, it
would be a "safe" way.
Thanks again.
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2022-05-30 11:28 [f2fs-dev] [Bug 216050] New: fsfs_gc occupies 100% cpu bugzilla-daemon
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