Not a sysadmin, but a programmer. My work machines have been:

• 2003-2008 Windows 7
• 2008-2011 Ubuntu
• 2011-2019 Arch
• 2019-2024 NixOS

Probably going to keep using NixOS. This is a very cool OS.

Steely Dan. The worst part would be I won’t stop talking about the drum solo in Aja.

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That is correct.

https://www.phoronix.com/review/amd-ryzen-9950x-9900x

Yeah, the perks of the Android ecosystem. There’s also a version for Android TV such as NVIDIA Shield. Again just works and filters out ads and sponsor segments.

https://github.com/yuliskov/SmartTube

I’ve been using this one for years, which filters out ads and sponsor segments:

https://newpipe.net/

Only for Android though. If you use iOS, switch to Android and you’ll also get a really Firefox browser with ublock origin that blocks all the ads compared to that 30something% what every iOS browser does.

His job is to not get the maintainers to agree, but his job definitely is to bark a bit if somebody behaves like Ted.

It might even be Rust is not meant for Linux kernel and it will never happen. Or it happens in the driver layers, but stays out from the core. We do not know yet. The concern Ted is raising is definitely valid: if the C APIs change, people who work daily in the C code cannot spent cycles fixing the Rust APIs. These people have their day jobs which pays them to maintain these subsystems, and it is at least not yet clear will these employers fund rewriting anything in Rust. There are tens of filesystems in Linux, with lifetimes passing around that are not documented and might not work in Rust.

Note: I’m a Rust dev for the past 10 years, and I follow this discussion with high interest.

Yeah. Isn’t it funny that the most popular file system in the world has such a codebase, and it is not even well documented how it works!

I have my reasons to choose XFS or bcachefs with my machines.

Yes and no. Linus can yell to people and he does, he can force his say as he has been recently doing by expecting sched_ext to land in 6.12. BUT. Linux is a bazaar, it’s so big and there are so many different factions forcing them to do anything is going to take a long time. Lots of different teams are working on Linux, with their own priorities.

The borrow checker is exactly what the kernel needs.

Ted is the maintainer of ext4 and there are not many people in the world who understand this code.

For Rust to succeed, it has to get the subsystem maintainers to agree. It is going to be many years of petting very angry bobcats…

And that is not even the worst I’ve heard, makes you a bit numb if you follow LKML.

Me neither, but the risk is there and well documented.

The point was, ZFS is not great as your normal laptop/workstation filesystem. It kind of requires a certain setup, can be slow in certain kinds of workflows, expects disks of same size and is never available immediately for the latest kernel version. Nowadays you actually can add more disks to a pool, but for a very long time you needed to build a new one. Adding a larger disk to a pool will still not resize it, untill all the disks are replaced.

It shines with steady and stable raid arrays, which are designed to a certain size and never touched after they are built. I would never use it in my workstation, and this is the point where bcachefs gets interesting.

At the same time Windows is going down the drain, so if you compare removed to that it definitely has an edge. And that 8GB Air is not that expensive either… And fanboy can tell you it can swap to SSD so fast blah blah…

But if you have the knowledge to use Linux, there are less and less reasons to go even near removed computers…

But scrub is not fsck. It just goes through the checksums and corrects if needed. That’s why you need ECC ram so the checksums are always correct. If you get any other issues with the fs, like a power off when syncing a raidz2, there is a chance of an error that scrub cannot fix. Fsck does many other things to fix a filesystem…

So basically a typical zfs installation is with UPS, and I would avoid using it on my laptop just because it kind of needs ECC ram and you should always unmount it cleanly.

This is the spot where bcachefs comes into place. It will implement whatever we love about zfs, but also be kind of feasible for mobile devices. And its fsck is pretty good already, it even gets online checks in 6.11.

Don’t get me wrong, my NAS has and will have zfs because it just works and I don’t usually need to touch it. The NAS sits next to UPS…

It is only in TLS where you have to disable compression, not in HTTP.

https://security.stackexchange.com/questions/19911/crime-how-to-beat-the-beast-successor/19914#19914

Could you explain how a CRIME attack can be done to a disk?

I mean… If you have a ton of raw photos in one directory, you can enable the highest compression rate with zstd to it. Every other directory has lz4 with the fastest compression. Your pics take much less space, but the directory will be slower to read and write.

For me the reason was that I wanted encryption, raid1 and compression with a mainlined filesystem to my workstation. Btrfs doesn’t have encryption, so you need to do it with luks to an mdadm raid, and build btrfs on top of that. Luks on mdadm raid is known to be slow, and in general not a great idea.

ZFS has raid levels, encryption and compression, but doesn’t have fsck. So you better have an UPS for your workstation for electric outages. If you do not unmount a ZFS volume cleanly, there’s a risk of data loss. ZFS also has a weird license, so you will never get it with mainline Linux kernel. And if you install the module separately, you’re not able to update to the latest kernel before ZFS supports it.

Bcachefs has all of this. And it’s supposed to be faster than ZFS and btrfs. In a few years it can really be the golden Linux filesystem recommended for everybody. I sure hope Kent gets some more help and stops picking fights with Linus before that.

One of the best filesystem codebases out there. Really a top notch file system if you don’t need to resize it once it’s created. It is a write through, not copy on write, so some features such as snapshots are not possible using XFS. If you don’t care about features found in btrfs, zfs or bcachefs, and you don’t need to resize the partition after creating it, XFS is a solid and very fast choice.

Ext4 codebase is known to be very complex and some people say even scary. It just works because everybody’s using it and bugs have been fixed years ago.

It kind of fails with certain protocols. I once wrote an async MSSQL client for Rust, and some data doesn’t say its size in the headers. So this kind of forced the business logic to be async too.

Yeah. Scary stuff. I live in central Berlin, and it’s pretty relaxed here. Did the Mauerlauf last weekend and immediately when you cross the Brandenburg border to some of these villages, they’re full of AfD advertisement. Berlin is definitely the Portland of Germany :D