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DragonFlyBSD Now Defaulting To HAMMER2 File-System By Default

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  • DragonFlyBSD Now Defaulting To HAMMER2 File-System By Default

    Phoronix: DragonFlyBSD Now Defaulting To HAMMER2 File-System By Default

    After being an experimental option in DragonFlyBSD for more than the past half-decade, HAMMER2 is the new default file-system of this FreeBSD derivative...

    http://www.phoronix.com/scan.php?pag...AMMER2-Default

  • #2
    "It's about time". On a serious note, I hope the HAMMER2 documentation soon follows, because right now, compared to HAMMER, it's a bit less defined. But I'm still a huge fan. No problem so far in months.

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    • #3
      defaulting to (...) by default? kinda redundant, isnt it?

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      • #4
        Can we get HAMMER2 on Linux?
        I don't think so. Probably, not even on FreeBSD since the file system kernel API has changed from FreeBSD to DragonFly BSD.

        Maybe like NTFS on Linux, we could get a poor implementation of HAMMER2 on Linux, maybe over FUSE. But would perform poorly.
        Native HAMMER2 is built specially for DragonFly BSD and is tightly integrated with it and relies on its unique file storage mechanisms.

        Is HAMMER2 better than ZFS, Btrfs, and ext4?
        Did Matthew Dillon single handily create a file system that is superior to other file systems created by teams of researchers and developers?

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        • #5
          Originally posted by euler271 View Post
          defaulting to (...) by default? kinda redundant, isnt it?
          Was about to ask the same thing

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          • #6
            Originally posted by euler271 View Post
            defaulting to (...) by default? kinda redundant, isnt it?
            No it isn't. The key here is that programmers (Java programmers especially, but the habit has now been adopted by others too) have defaults for when they do not decide a default about something, the filesystem in this case. If they forget to choose a default, a DefaultsProvider class that provides a default by default (a sort of defaults abstraction layer) kicks in. It obviously needs a DefaultsFactory class that instantiates the most reasonable DefaultsCriteria implementation, based on various predefined defaults...
            Last edited by lucrus; 06-11-2019, 06:32 AM.

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            • #7
              Originally posted by uid313 View Post
              Did Matthew Dillon single handily create a file system that is superior to other file systems created by teams of researchers and developers?
              Possibly, however these teams of researchers and developers obviously have a vastly superior and substantial... CoC

              On a more useful note; small teams are not ncessarly that inefficient. Especially if someone is passionate about something. Looking at the relatively small OpenBSD project, they kick out some very important things. It also comes down to the idea that certain problems cannot simply be solved faster or better by chucking more developers at it.

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              • #8
                Originally posted by uid313 View Post
                Can we get HAMMER2 on Linux?
                I don't think so. Probably, not even on FreeBSD since the file system kernel API has changed from FreeBSD to DragonFly BSD.

                Maybe like NTFS on Linux, we could get a poor implementation of HAMMER2 on Linux, maybe over FUSE. But would perform poorly.
                Native HAMMER2 is built specially for DragonFly BSD and is tightly integrated with it and relies on its unique file storage mechanisms.

                Is HAMMER2 better than ZFS, Btrfs, and ext4?
                Did Matthew Dillon single handily create a file system that is superior to other file systems created by teams of researchers and developers?
                Probably not, but it would be nice to get benchmarks of it on this benchmarking site..

                Comment


                • #9
                  Originally posted by kpedersen View Post
                  Possibly, however these teams of researchers and developers obviously have a vastly superior and substantial... CoC
                  I hope this is sarcasm.

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                  • #10
                    Originally posted by uid313 View Post
                    Can we get HAMMER2 on Linux?
                    No.

                    Is HAMMER2 better than ZFS, Btrfs, and ext4?
                    Not in its current state.

                    Did Matthew Dillon single handily create a file system that is superior to other file systems created by teams of researchers and developers?
                    Not in its current state.

                    Comment

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