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this post was submitted on 13 Nov 2023
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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).
Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.
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Yes! I'm eagarly waiting for bcachefs to land.
As a Linux noob I first thought you were just facerolling on your keyboard. But then I read it as b-cache-fs. It's a new file system, I take it?
Exactly! It is a new Btrfs competitor and OpenZFS alternative that is built upon the bcache codebase.
Any more info for a geek without too much time?
https://en.wikipedia.org/wiki/Bcachefs
The main takeaway from the article is that the developer's name is Kent Overstreet, who beat his bitter rival Surrey Underpath, who are both canonically related to famed developer Cornwall Midroad.
Nice, thank you!
Any word on RAM requirements?
As someone else said, it's similar to btrfs. bcachefs has a lot of functional overlap with btrfs, which is great. There have also been a few benchmarks showing that bcachesfs is faster for some situations (cold-cache warming, IIRC). One of the big advantages over btrfs is that bcachefs's RAID is more robust - several of btrfs's RAID levels have been marked as experimental and prone to data loss, for years. There's been improvement in btrfs RAID lately; the skeptic in me believes this is directly a result of pressure from bcachefs, which is in a position to become a favored fs in Linux.
And I'm waiting until bcachefs has sufficiently spread so I can see whether it really works or not.
A lot of the time it obviously takes a little while for userland tools to catch up and for distros to include both the new kernel and userland tools for it into their latest versions but once that is done average users certainly do notice differences. Literally all the features that are talked about a lot like BPF or io_uring or all the features that make containers possible were introduced in a kernel release at some point.
Second person excited for bcachefs, I'm planning on swapping over as soon as it supports scrubbing.
I really hope it would be a working one, not like xfs where your files may just disappear with no trace (never on Irix, never on any other fs) or like btrfs which may just suddenly go read only and be dead on reboot with no fsck and all data unreachable.
How hard is it to get the basics right? Doesn't matter how much rice there is if it keeps blowing up.
Me too. I've run 30 years with ext and bsd filesystems with no failure. Many years with various UNIX native fs as well. But Linux xfs, reiserfs, btrfs all have resulted in catastrophic failure within a year on several machines. They're permanently off my list, but I have some hope that someone will get a new fs right.
Example:
Nvidia GSP in Nouveau:
Any video related improvement is a must-have for gamers. This release will improve Nvidia support in the open source driver.