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6.9-rc6 is out:

lore.kernel.org/lkml/CAHk-=wit

"'Things continue to look pretty normal, and nothing here really stands out. The biggest single change that stands out in the diffstat is literally a documentation update[1], […]

[…] please do keep testing,

Linus'"

[1] upps, sorry, guess that's my fault git.kernel.org/torvalds/c/4d20 🥴

lore.kernel.orgLinux 6.9-rc6 - Linus Torvalds

Kent submitted the filesystem ("a new COW fs") for review and inclusion: lore.kernel.org/all/2023050916

```Status:

Snapshots have been declared stable; […]

Erasure coding is getting really close; […]

Tons of scalabality work finished over the past year […]
```

bcachefs.org/

lore.kernel.org[PATCH 00/32] bcachefs - a new COW filesystem - Kent Overstreet

It still blows my mind that Zelkova solves real SMT problems over a billion times a day, in production: amazon.science/blog/a-billion-

It's easy to think of PSPACE-complete problems like this as impossible except on toy examples. But here Zelkova is, doing them in production a billion times a day.

Amazon ScienceA billion SMT queries a dayCAV keynote lecture by the director of applied science for AWS Identity explains how AWS is making the power of automated reasoning available to all customers.

If you only read one thing about telemetry for the Go toolchain, read this introduction blog post from Russ Cox: research.swtch.com/telemetry-i (less than 4 pages).

It motivates the problem and outlines the constraints for a good solution.

This article alone will give you a much better starting point into the discussion than many participants, I think…

research.swtch.comresearch!rsc: Transparent Telemetry for Open-Source Projects (Transparent Telemetry, Part 1)

```ublk-nbd[1] is available now. Basically it is one client, but totally implemented in userspace […] io handling is based on [3] […] ublk-nbd supports both tcp and unix socket, and allows to enable
send zero copy via command line '--send_zc', see details in README[4]. […] ublk-nbd IOPS is higher by ~40% than […]```

lore.kernel.org/all/Y8lSYBU9q5

[1] github.com/ming1/ubdsrv/tree/m
[3] github.com/axboe/liburing
[4] github.com/ming1/ubdsrv/blob/m