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psycho
Guru
Joined: 22 Jun 2007
Posts: 546
Location: New Zealand
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 Posted: Thu Feb 27, 2025 1:05 am Post subject: Any advice on reflinks... or XFS in general? |
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| I was reading the (Gentoo website) article about the new ready-to-run Gentoo images and noticed that it gave (right at the bottom) the use of reflinks as a reason for the decision to go with XFS rather than ext4. Last time I looked at the performance comparisons between ext4 and XFS I decided to stick with ext4, but I'm curious about the possible advantages of XFS and whether reflinks are some kind of life-changing bonus that I ought to be enjoying. From a quick read through various explanations of reflinks they sound useful. Any advice on whether to use or avoid XFS? |
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szatox
Advocate
Joined: 27 Aug 2013
Posts: 3525
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| Posted: Thu Feb 27, 2025 10:49 am Post subject: |
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| Quote: | | Any advice on whether to use or avoid XFS |
Without a specified workload: no advice.
All somewhat popular filesystems satisfy basic requirements, with FAT being a notable exception (doesn't have links and permissions, but is simple enough to fit in bios).
You can just roll a die and be happy with the result. If you want to choose the best fs for you, you basically have to know what you're optimizing for. In most use cases it doesn't matter anyway though.
I remember XFS as the go-to fs for storing shitloads of small files. Like ceph (up until v13 or something) and moosefs backends.
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