17 lines
934 B
Markdown
17 lines
934 B
Markdown
# BTRFS can and will eat your CPU and MEM
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# Keywords
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* Debian 10 64bit AMD homebuild NAS
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* Only 4gb of RAM
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* Shoot yourself in the foot without swap please (when the thing is busy)
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* Gigabyte D525TUD with Intel Atom D525 @ 1.8GHz 64bit quadcore CPU
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* BTRFS filesystem for snapshots and data integrity
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* btrfs-cleaner kernel process
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* "hack" -> `btrfs quota disable /data`
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* btrfs stats (e.g quota groups) use [qgroup feature](https://btrfs.readthedocs.io/en/latest/btrfs-qgroup.html) which seems to be unstable in kernel 4.14 mainline, no clue i'm affected as my debian runs 4.19
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* https://btrfs.wiki.kernel.org/index.php/Quota_support
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* https://lore.kernel.org/linux-btrfs/YeVawBBE3r6hVhgs@debian9.Home/T/
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* https://community.netgear.com/t5/Using-your-ReadyNAS-in-Business/btrfs-cleaner-frequently-stuck-at-100-CPU-after-6-4-0-upgrade/td-p/990419/page/2
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* https://github.com/digint/btrbk
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* https://wiki.gentoo.org/wiki/Btrbk |