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Fedora Cloud 35 Approved To Use Btrfs By Default

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  • Fedora Cloud 35 Approved To Use Btrfs By Default

    Phoronix: Fedora Cloud 35 Approved To Use Btrfs By Default

    Last month plans were published for Fedora Cloud 35 to use the Btrfs file-system by default, similar to Fedora Workstation using Btrfs by default for several releases. That plan has now been signed off on by FESCo allowing for this change to happen...

    https://www.phoronix.com/scan.php?pa...35-Doing-Btrfs

  • #2
    what different between ext4 and btrfs

    why other distro don't use it as default ?

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    • #3
      Originally posted by Aryma View Post
      what different between ext4 and btrfs

      why other distro don't use it as default ?
      Here's some of the features mentioned in the article:

      Among the Btrfs features of interest to the Fedora Cloud folks are transparent file-system compression, copy-on-write (CoW) features, reflinks and snapshots, greater data integrity, online shrink and grow, and the other attributes usually trumpeted when talking about Btrfs.
      These features are not present in ext4, and some of them also doesn't present in xfs.

      Though there is one filesystem that have most of them except for the online shrinking, zfs on linux.

      Btrfs is kind of inspired by it and picked because zfs is created by Oracle, the open source killer, and release it under common creative license, which make it possible for Oracle to make some sneaky move if it is ever inlined into linux,

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      • #4
        Originally posted by Aryma View Post
        what different between ext4 and btrfs

        why other distro don't use it as default ?
        Simplest answer: A lot. BTRFS supports features Ext4 doesn't and vice-a-versa. Long answer: Wikipedia.

        Ext4 is tried and true which is traditionally why most distributions use it. It isn't as feature-filled as BTRFS, but the features it has are good enough for most people.

        BTRFS has gotten a lot better in the past few years and lately has picked up really spiffy things like Zstd compression so it is starting to pick up momentum. BTRFS seems to have really picked up adoption speed over the past year and a half.

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        • #5
          Three months after: "Fedora disables BTRFS as the default and reverts to EXT4... again"

          (just a joke)

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          • #6
            What is sad, is that major cloud providers like digitalocean, linode and hetzner, do not support anything other than ext4.

            Sure you can force-format btrfs or any other file system, but their services all break!! You can't do backups, you can't resize partitions, you can't do migrations, you can't do pretty much anything if you don't use ext4. It seems this is a major issue with their platform tools but they seem incapable of supporting anything other than ext4.

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            • #7
              Originally posted by rastersoft View Post
              Three months after: "Fedora disables BTRFS as the default and reverts to EXT4... again"

              (just a joke)
              If Ext4 ever picks up inline (LZ4/Zstd) compression I'd totally expect that headline.

              Comment


              • #8
                why RHEL 8 removed ?

                there any hope for this to get support in windows and maybe mac too

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                • #9
                  Originally posted by Aryma View Post
                  why RHEL 8 removed ?

                  there any hope for this to get support in windows and maybe mac too
                  For Windows there's the https://github.com/maharmstone/btrfs driver - which is also used by ReactOS, it's worked quite well in my limited usage.

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                  • #10
                    How much CPU does brtfs use these days? That's a metric that is rarely benchmarked, but might be quite important. AFAIR it used to be quite bad. with btrfs.

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