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Tuning Btrfs vs. F2FS, EXT4, XFS File-Systems

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  • #16
    I just installed a system with btrfs on my second computer just to see how it works. So far everything has been going well.

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    • #17
      Originally posted by Nuc!eoN View Post
      For me it's my (feature stripped) Intel i3 CPU that tends to overheat on Linux. Again, not so on Windows :/
      Originally posted by Ericg View Post
      the server is actually a 17inch laptop with an amd gpu yes. it gets used as a desktop though haha. My laptop laptop is a dell xps 13z with Intel Sandy Bridge. under Linux it occassionally overheats if I don't keep an eye on the temperatures, u der win7 that doesn't bappen. So I stick to win7 to make sure I don't damage anything from thermal output
      Ok, this is definately what Chris Wilson would be welcome to hear. Could you guys please open a thread here in "Intel". This is funny, how it can be....?

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      • #18
        Originally posted by brosis View Post
        Ok, this is definately what Chris Wilson would be welcome to hear. Could you guys please open a thread here in "Intel". This is funny, how it can be....?
        Yeah thats what I don't understand either... because this laptop has 1 fan directly over the CPU and the only real component is an Intel Sandy Bridge. If the fans blow at max under windows 7, the laptop stays at 85 degrees. Under Linux it hits 85 degrees and then gradually climbs up until BIOS kills it. I don't understand how doing the same workload with the same components can result in Linux overheating but not Windows, especially given that its mainly the fans job and you dont "program" a fan that runs at max.

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        • #19
          I've used Btrfs for some time, spent some time and effort tweaking it, but I've migrated back to ext4 now.

          BtrFS has great functionality, but performance, especially when you are using most of your drive capacity, was absolutely horrid. Even with SSD caching it was still problematic.

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          • #20
            I just moved my SSD (root only) back to btrfs at home. Performance seems a bit better than about a year ago. I've also got a lab server that is currently running a small 4 disk raid1 btrfs array, that I plan to test out the new raid5/6 functionality on.

            On a side note, some of these package manager-aware snapshotting utilities are really awesome! For example on debian based systems there is apt-btrfs-snapshot. Once installed, it can snapshot your root volume automatically during an apt-get upgrade. This makes it really handy when running a bleeding edge distribution, or doing other things like testing a new RC kernel, or new AMD/Nvidia proprietary drivers. Rolling back to a snapshot takes literally 5 seconds and a reboot.

            Of course this can be done manually, but it's kinda nice to have it done for you in case you forget. I really can't wait to roll this out to some production servers in the future.

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