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Show HN: Walrus – a Kafka alternative written in Rust

https://github.com/nubskr/walrus
9•janicerk•2d ago

Comments

roncohen•15m ago
As someone who myself worked on a hobby-level Rust based Kafka alternative that used Raft for metadata coordination for ~8 months: nice work!

Wasn't immediately clear to me if the data-plane level replication also happens through Raft or something home-rolled? Getting consistency and reliability right with something home-rolled is challenging.

Notes:

- Would love to see it in an S3-backed mode, either entirely diskless like WarpStream or as tiered storage.

- Love the simplified API. If possible, adding a Kafka compatible API interface is probably worth it to connect to the broader ecosystem.

Best of luck!

Elites Could Shape Mass Preferences as AI Reduces Persuasion Costs

https://arxiv.org/abs/2512.04047
151•50kIters•2h ago•157 comments

Ghostty is now non-profit

https://mitchellh.com/writing/ghostty-non-profit
1116•vrnvu•16h ago•228 comments

Valve reveals it’s the architect behind a push to bring Windows games to Arm

https://www.theverge.com/report/820656/valve-interview-arm-gaming-steamos-pierre-loup-griffais
770•evolve2k•1d ago•658 comments

Uncloud - Tool for deploying containerised apps across servers without k8s

https://uncloud.run/
136•rgun•4h ago•55 comments

Reverse engineering a $1B Legal AI tool exposed 100k+ confidential files

https://alexschapiro.com/security/vulnerability/2025/12/02/filevine-api-100k
693•bearsyankees•17h ago•231 comments

Average DRAM price in USD over last 18 months

https://pcpartpicker.com/trends/price/memory/
328•zekrioca•10h ago•216 comments

The Mysterious Realm of JavaScriptCore (2021)

https://www.cyberark.com/resources/threat-research-blog/the-mysterious-realm-of-javascriptcore
14•program•2h ago•0 comments

All the Way Down

https://www.futilitycloset.com/2025/11/17/all-the-way-down-2/
23•surprisetalk•5d ago•2 comments

Micron Announces Exit from Crucial Consumer Business

https://investors.micron.com/news-releases/news-release-details/micron-announces-exit-crucial-con...
588•simlevesque•16h ago•289 comments

Unreal Tournament 2004 is back

https://old.reddit.com/r/unrealtournament/comments/1pdbe69/breaking_unreal_tournament_2004_is_back/
26•keithoffer•44m ago•4 comments

Good news: JavaScript is 30yo today Sad news: its own name doesn't belong to it

https://javascript.tm/letter
8•pavelai•1h ago•0 comments

1D Conway's Life glider found, 3.7B cells long

https://conwaylife.com/forums/viewtopic.php?&p=222136#p222136
452•nooks•17h ago•153 comments

Show HN: I built a dashboard to compare mortgage rates across 120 credit unions

https://finfam.app/blog/credit-union-mortgages
263•mhashemi•14h ago•84 comments

Saturn (YC S24) Is Hiring Senior AI Engineer

https://www.ycombinator.com/companies/saturn/jobs/R9s9o5f-senior-ai-engineer
1•etticat•3h ago

RCE Vulnerability in React and Next.js

https://github.com/vercel/next.js/security/advisories/GHSA-9qr9-h5gf-34mp
540•rayhaanj•18h ago•194 comments

Show HN: Walrus – a Kafka alternative written in Rust

https://github.com/nubskr/walrus
9•janicerk•2d ago•1 comments

Kea DHCP: Modern, open source DHCPv4 and DHCPv6 server

https://www.isc.org/kea/
95•doener•10h ago•30 comments

Why WinQuake exists and how it works

https://fabiensanglard.net/winquake/index.html
89•wicket•8h ago•5 comments

Acme, a brief history of one of the protocols which has changed the Internet

https://blog.brocas.org/2025/12/01/ACME-a-brief-history-of-one-of-the-protocols-which-has-changed...
120•coffee--•11h ago•50 comments

8086 Microcode Browser

https://nand2mario.github.io/posts/2025/8086_microcode_browser/
113•zdw•13h ago•0 comments

In Northern Scotland, the Neolithic Age Never Ended

https://www.newyorker.com/magazine/2025/12/01/in-northern-scotland-the-neolithic-age-never-ended
20•samizdis•4d ago•25 comments

Show HN: A Minimal Monthly Task Planner (printable, offline, no signup)

https://printcalendar.top/
47•defcc•5h ago•14 comments

Launch HN: Phind 3 (YC S22) – Every answer is a mini-app

112•rushingcreek•17h ago•83 comments

Ethiopian Volcano Erupts for First Time in Nearly 12K Years of Records

https://www.smithsonianmag.com/smart-news/ethiopian-volcano-erupts-for-the-first-time-in-nearly-1...
62•pseudolus•3d ago•13 comments

Lie groups are crucial to some of the most fundamental theories in physics

https://www.quantamagazine.org/what-are-lie-groups-20251203/
139•ibobev•15h ago•49 comments

Euler Conjecture and CDC 6600

https://fortran-lang.discourse.group/t/euler-conjecture-and-cdc-6600/10501
34•zaikunzhang•7h ago•4 comments

Show HN: Mirror_bridge – C++ Reflection powered Python binding generation

https://github.com/FranciscoThiesen/mirror_bridge
14•fthiesen•4h ago•2 comments

How to Synthesize a House Loop

https://loopmaster.xyz/tutorials/how-to-synthesize-a-house-loop
229•stagas•6d ago•81 comments

Preserving Snow Crystals

https://www.its.caltech.edu/~atomic/snowcrystals/preserve/preserve.htm
46•jameslk•5d ago•13 comments

Why are my headphones buzzing whenever I run my game?

https://alexene.dev/2025/12/03/Why-do-my-headphones-buzz-when-i-run-my-game.html
195•pacificat0r•19h ago•131 comments