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Mesh LLM: distributed AI computing on iroh

https://www.iroh.computer/blog/mesh-llm
214•tionis•9h ago•49 comments

The 'Father of the Internet' is finally retiring

https://techcrunch.com/2026/06/30/the-father-of-the-internet-is-finally-retiring/
24•compiler-guy•2d ago•9 comments

Show HN: Ant – A JavaScript runtime and ecosystem

https://antjs.org
248•theMackabu•11h ago•106 comments

Show HN: Mindwalk – Replay coding-agent sessions on a 3D map of your codebase

https://github.com/cosmtrek/mindwalk
7•cosmtrek•2h ago•1 comments

RISCBoy is an open-source portable games console, designed from scratch

https://github.com/Wren6991/RISCBoy
125•mariuz•9h ago•18 comments

Text art tools

https://hlnet.notion.site/text-art-tools
22•surprisetalk•3d ago•5 comments

An agent in 100 lines of Lisp

https://thebeach.dev/posts/lisp-agent/
123•jamiebeach•4d ago•14 comments

Nvidia, CoreWeave, and Nebius: Inside the Circular Financing of the GPU Boom

https://io-fund.com/ai-stocks/nvidia-coreweave-nebius-circular-financing-gpu-boom
241•adletbalzhanov•14h ago•80 comments

I Did Not Kill Stanley Lieber: How to Draw (With 9front)

https://triapul.cz/automa/i_did_not_kill_stanley_lieber
60•c-c-c-c-c•2d ago•16 comments

EF Core 11 makes your split queries faster

https://steven-giesel.com/blogPost/d4401fd0-805a-4703-9d9e-5fe3b57c25ea
30•rellem•1w ago•3 comments

Protobuf-py: Protobuf for Python, without compromises

https://buf.build/blog/protobuf-py
8•ming13•4d ago•1 comments

Jellyfish Undersea Roundabout

https://visitfaroeislands.com/en/plan-your-stay/getting-around/world-first-under-sea-roundabout
31•hydrogen7800•3d ago•3 comments

UPI: Anatomy of a Payment Transaction

https://timeseriesofindia.com/economy/reads/upi-architecture/
169•prtk25•15h ago•63 comments

Under federal rule, colleges must leave grads better off or lose financial aid

https://www.npr.org/2026/06/30/nx-s1-5835631/turner-camhi-do-no-harm-college-loans
61•nradov•3h ago•91 comments

We scaled PgBouncer to 4x throughput

https://clickhouse.com/blog/pgbouncer-clickhouse-managed-postgres
201•saisrirampur•16h ago•43 comments

The Energetic Costs of Cellular Computation (2012)

https://arxiv.org/abs/1203.5426
19•lioeters•5h ago•1 comments

Billions of Sketches Reveal Hidden Cultural Variation in Human Concepts

https://arxiv.org/abs/2607.07267
88•Anon84•2d ago•13 comments

Unexpected Solidlike Fracture in Simple Liquids

https://www.quantamagazine.org/we-know-simple-fluids-can-flow-turns-out-some-can-fracture-20260710/
85•Anon84•5h ago•43 comments

A pure scheme web programming tool

https://goeteia.dev
85•guenchi•7h ago•20 comments

Fixed three bugs that made Qwen3.5-122B a daily driver on Mac Studio

https://mrzk.io/posts/qmlx-maximising-ai-psychosis-minmaxing-mac-studio/
49•marzukia•9h ago•22 comments

The early History of the Singular Value Decomposition (1993) [pdf]

https://www.math.ucdavis.edu/~saito/courses/229A/stewart-svd.pdf
112•wolfi1•16h ago•62 comments

Prefer strict tables in SQLite

https://evanhahn.com/prefer-strict-tables-in-sqlite/
267•ingve•14h ago•129 comments

Biff.graph: structure your Clojure codebase as a queryable graph

https://github.com/jacobobryant/biff/tree/v2.x/libs/graph
127•jacobobryant•4d ago•14 comments

A Erlang style pure Scheme Webserver and further

https://igropyr.com
58•guenchi•6h ago•6 comments

Optimization Solver as a Service

https://www.quicopt.com/developer/getting-started/
34•paddi91•3d ago•26 comments

A dock that wakes up reliably

https://fabiensanglard.net/tb4/index.html
66•ingve•7h ago•42 comments

Show HN: Learn by rebuilding Redis, Git, a database from scratch

https://shipthatcode.com
159•acley•18h ago•43 comments

Why Write Code in 2026

https://softwaredoug.com/blog/2026/07/09/write-code.html
41•zdw•3h ago•24 comments

How Doctors die. It’s not like the rest of us (2016)

https://archive.cancerworld.net/featured/how-doctors-die/
144•downbad_•8h ago•80 comments

Martha Lillard, last US polio patient using iron lung, dies at 78 in Oklahoma

https://abcnews.com/US/wireStory/martha-lillard-us-polio-patient-iron-lung-dies-134668491
74•daniel_iversen•7h ago•22 comments
Open in hackernews

OpenTelemetry protocol with Apache Arrow

https://opentelemetry.io/blog/2025/otel-arrow-phase-2/
108•tanelpoder•1y ago

Comments

andygrove•1y ago
I've just started exploring adding OpenTelemetry support to the Comet subproject of DataFusion. I'm excited to see the integration with Apache Arrow (Rust) and potentially DataFusion in the future.
SomaticPirate•1y ago
Wow, anyone able to provide a ELI5? OTel sounds amazing but this is flying over my head
theLiminator•1y ago
Not sure, but seems like it will be producing apache arrow data and carrying it across the data stack end to end from OTEL. This would be great for creating data without a bunch of duplication/redundant processing steps and exporting it in a form that's ready to query.
piterrro•1y ago
Unless I dont understand that fully (which could be the case).

This idea could fly if downstream readers will be able to read it. Json is great because anything can read it, process, transform and serialize without having to know the intrisics of the protocol.

Whats the point of using binary, columnar format for data in transit?

arccy•1y ago
better compression https://opentelemetry.io/blog/2023/otel-arrow/

You don't do high performance without knowing the data schema.

odie5533•1y ago
Is Arrow better than Parquet or Protobuf?
theLiminator•1y ago
Arrow is an in-memory columnar format, kinda orthogonal to parquet (which is an at-rest format). Protobuf is a better comparison, but it's more message oriented and not suited for analytics.
arccy•1y ago
the blog post comparison is against OTLP which is protobuf
datadrivenangel•1y ago
Not having to write to disk is great, and zero-copy in memory access is instant...
phillipcarter•1y ago
Warning: this is an oversimplification.

Performance optimization and being able to "plug in" to the data ecosystem that Apache Arrow exists in.

OpenTelemetry is pretty great for a lot of uses, but the protocol over the wire is too chunky for some applications where. From last year's post on the topic[0]:

> In a side-by-side comparison between OpenTelemetry Protocol (“OTLP”) and OpenTelemetry Protocol with Apache Arrow for similarly configured traces pipelines, we observe 30% improvement in compression. Although this study specifically focused on traces data, we have observed results for logs and metrics signals in production settings too, where OTel-Arrow users can expect 50% to 70% improvement relative to OTLP for similar pipeline configurations.

For your average set of apps and services running in a k8s cluster somewhere in the cloud, this is just a nice-to-have, but size on wire is a problem for a lot of systems out there today, and they are precluded from adopting OpenTelemetry until that's solved.

[0]: https://opentelemetry.io/blog/2024/otel-arrow-production/

potamic•1y ago
This diagram really depicts things nicely

https://opentelemetry.io/blog/2023/otel-arrow/row-vs-columna...

ahoka•1y ago
A bit hand wavy.
KAdot•1y ago
> We are interested in making OTAP pipelines safely embeddable, through strict controls on memory and through support for thread-per-core runtimes.

I'm curious about the thread-per-core runtimes, are there even any mature thread-per-core runtimes in Rust around?

jauntywundrkind•1y ago
glommio is pretty well respected. https://www.datadoghq.com/blog/engineering/introducing-glomm... https://github.com/DataDog/glommio

ByteDance also has their very fast monio. https://github.com/bytedance/monoio

Both integrate io-uring support for very fast io.

julian-datable•1y ago
Integrations with OTLP are critical to driving adoption and probably one of the biggest pain points we've encountered when adopting it ourselves (and encouraging others to the same).

Adopting OTLP without third-party support is pretty time consuming, especially is your tech stack is large and/or varied.

Re runtimes: curious about this too. Feels like the right direction if you’re optimizing a telemetry pipeline.

akdor1154•1y ago
Damn that's some scope creep if I ever saw it: 'try sending Arrow frames end to end' => 'rewrite the otel pipeline in rust'. Seems like the goals of the contributors don't exactly align with the goals of the project.

Kind of a bummer - one thing i was hoping to come out of this was better Arrow ecosystem support for golang.

gitroom•1y ago
Man Ive dipped my toes into this too, and yeah, the way everyone wants different things always shakes things up fast. Kinda love seeing where it all ends up tbh.
mike_heffner•1y ago
Thanks for sharing this — it’s a really promising direction. The advantages of Arrow for OTLP, especially when used end-to-end, are compelling given the protocol overhead of OTLP.

We’ve been thinking along similar lines with the use of Rust, particularly for OpenTelemetry collection in environments where high performance and low resource overhead are critical, such as edge and serverless. With that in mind, we’ve open-sourced a lightweight OpenTelemetry collector written in Rust to address these use cases. We’ve also developed a native Lambda extension around it, and have seen encouraging interest from folks aiming to improve cold start times.

The project is still fairly early, but we’re optimistic that Rust can open up new opportunities for efficient observability pipelines. Vendors like Datadog are also moving in this direction with their Lambda extension and appear to be adopting Rust more broadly for data-plane components.

If this resonates, feel free to take a look here: https://github.com/streamfold/rotel. We’d love to hear your thoughts on how this could be useful.