Silvestro Ranucci

YouTube video by Data Council Converging Database Architectures DuckDB in PostgreSQL

Recording of my Data Council talk:
www.youtube.com/watch?v=HZAr...

A joyful Ferris the crab throws confetti under text that reads "Happy 10th birthday, Rust 1.0!"

Today marks a decade since the 1st stable release of #rustlang 🎉 To commemorate this milestone, we asked Karen Tölva (Ferris creator 🦀) to design a celebratory graphic & answer a few questions in our blog.

Congrats to EVERYONE who has made Rust what it is today 🧡

rustfoundation.org/media/celebr...

A dark-themed terminal screenshot showing Node.js v23.11.0 and a console.log() call with a format string. The command console.log('Event: %j', {foo: 'bar'}) is displayed, with a yellow arrow pointing to the resulting JSON string {"foo":"bar"}. A label below reads 'JSON.stringify(...)' to explain the %j placeholder behavior.

console.log() is probably the first function I ever used in Node.js...

And yet, I was today years old when I learned it supports format strings! 🤯

🧵👇

NULL BITMAP: How to Understand that Jepsen Report buttondown.com/jaffray/arch...

YouTube video by number 0 40x less overhead! Rateless Invertible Bloom Filters - Part 3 of 3

Belay uses this super cool algorithm called Rateless Invertable Bloom Lookup Tables ( video ) to figure out which documents each peer has and sync them only the ones that they don't have in both directions.

A medical illustration of the human brain.

Train your own model.

"If you can afford to send Katy Perry to space, you can afford to pay more taxes."

"If you can afford to send Katy Perry to space, you can afford to pay more taxes." #3E

#codemotion2025 let's start

image of watchmen's doctor manhattan, a superhero who is entirely blue and nude, sitting on a rock, small in frame, on what is depicted to be a very pink version of the surface of the planet mars. he looks pensive.

It is 2002. I am 18 years old. We are in a once-in-a-generation economic crisis.

It is 2008. I am 24 years old. We are in a once-in-a-generation economic crisis.

It is 2020. I am 36 years old. We are in a once-in-a-generation economic crisis.

It is 2025. I am 41 years old. We are in a—

Meta Addressing bias in LLMs It's well-known that all leading LLMs have had issues with bias-specifically, they historically have leaned left when it comes to debated political and social topics. This is due to the types of training data available on the internet. Our goal is to remove bias from our Al models and to make sure that Llama can understand and articulate both sides of a contentious issue. As part of this work, we're continuing to make Llama more responsive so that it answers questions, can respond to a variety of different viewpoints without passing judgment, and doesn't favor some views over others. We have made improvements on these efforts with this release—Llama 4 performs significantly better than Llama 3 and is comparable to Grok:

• Llama 4 refuses less on debated political and social topics overall (from 7% in Lama 3.3 to below 2%). • Llama 4 is dramatically more balanced with which prompts it refuses to respond to (the proportion of unequal response refusals is now less than 1% on a set of debated topical questions). • Our testing shows that Llama 4 responds with strong political lean at a rate comparable to Grok (and at half of the rate of Llama 3.3) on a contentious set of political or social topics. While we are making progress, we know we have more work to do and will continue to drive this rate further down. We're proud of this progress to date and remain committed to our goal of eliminating overall bias in our models.

Meta introduced Llama 4 models and added this section near the very bottom of the announcement 😬

“[LLMs] historically have leaned left when it comes to debated political and social topics.”

ai.meta.com/blog/llama-4...

YouTube video by Strange Loop Conference "Testing Distributed Systems w/ Deterministic Simulation" by Will Wilson

some extra goodies on deterministic simulation testing for distributed systems

www.youtube.com/watch?v=4fFD...

notes.eatonphil.com/2024-08-20-d...

journal.resonatehq.io/p/determinis...
www.scs.stanford.edu/24sp-cs244b/...

github.com/ivanyu/aweso...

YouTube video by NDC Conferences Navigating complexity in event-driven architectures: A domain-driven approach - David Boyne

Earlier in the year I gave a talk about the complexity of event driven architecture, and how domain driven design can help.

There is huge overlap between the two, and I go through some of it here.

If you're into this stuff, hope it helps!

youtu.be/HpFWRpyyvrk?...

Earlier this month, I delivered a talk on "Time Travel Debugging with Postgres" for the Seattle Postgres User Group. Massive thanks to Jeremy Schneider for recording (and editing) the talk and posting it to YouTube!

www.youtube.com/watch?v=clcP...

Distributed consensus made simple (for real this time!) Multi-Paxos is the de facto solution for deciding a log of commands to execute on a replicated state machine, yet it’s famously difficult to understand, motivating the switch to ‘simpler’ consensus pr...

Raft was optimized for understandability over simplicity 🤷 Chris Jensen & @heidihoward.bsky.social wrote about LogPaxos, which they say is simpler than Raft or MultiPaxos: decentralizedthoughts.github.io/2021-09-30-d.... CASPaxos is simpler but likely less broadly applicable than log-based consensus

Have felt this myself. If I’m not feeling it, often I will listen to that and relax instead of trying to be productive. But I try not to let this happen for _too_ long. If I force myself to sit at my desk, open my editor, build my code, and run it I often find I can get into the swing of things.

Databases in 2024: A Year in Review Andy rises from the ashes of his dead startup and discusses what happened in 2024 in the database game.

Buckle up because we're banging into the new year with my annual retrospective of the last year in databases! Highlights include license change blowback, Databricks vs. Snowflake gangwar, @duckdb.org's shotgun weddings, and buying a quarterback to impress your lover: www.cs.cmu.edu/~pavlo/blog/...

Introducing Limbo: A complete rewrite of SQLite in Rust we forked SQLite with the libSQL project. What would it be like if we just rewrote it?

Today we have decided to make @penberg.org 's experimental project, an official Turso project, following its great success.

What if instead of just forking SQLite, we were to completely rewrite it - in Rust?

That's our moonshot - codename Limbo

turso.tech/blog/introdu...

People waiting for Rust, without the borrow checker, are waiting for OCaml

Testing Distributed Systems Curated list of resources on testing distributed systems

Hello, Bluesky users!

I curate and maintain list of resources on testing distributed systems. You might have seen it before. It's a good one, if I may say so myself.

asatarin.github.io/testing-dist...

Completed day 2 "Red-Nosed Reports" of Advent of Code 2024 #AdventOfCode adventofcode.com/2024/day/2

First day of Advent of Code 2024 completed ✅ 🦀 #AdventOfCode adventofcode.com/2024/day/1

Queueing – An interactive study of queueing strategies – Encore Blog In this blog, we go on an interactive journey to understand common queueing strategies for handling HTTP requests.

This is a REALLY good interactive demo of Queueing! | An interactive study of queueing strategies – Encore Blog

In short, the right people are working on this, they're not out to build a Twitter clone, they're out to reshape the web, and help us return to the original promise of an open platform, a sense of ownership, and the ability to share with each other on our own terms.

An unordered / non-exhaustive list of things that helped scale Bluesky's infra efficiently:

+ Exiting the cloud (colocation)
+ HAProxy w/many Node backends
+ Go w/clever code
+ ScyllaDB
+ SQLite w/per user databases
+ Redis w/many instances
+ AMD servers w/many cores
+ Purchasing bandwidth directly

The Weekend Read dropped: Event Driven Architecture and the Myth of Loose Coupling

Loose coupling has become a rallying cry for advocates of Event Driven Architecture－But do events actually deliver on this promise?

open.substack.com/pub/dtornow2...

bsky.app/profile/domi...

I'm writing a piece about the caching strategies used to make AWS News blazing fast. Planning to release it somewhere this weekend on https://lucvandonkersgoed.com. Stay tuned!

Bluesky and the AT Protocol: Usable Decentralized Social Media Bluesky is a new social network built upon the AT Protocol, a decentralized foundation for public social media. It was launched in private beta in February 2023, and has grown to over 10 million regis...

Hello lots of new followers! If you just joined Bluesky, welcome. In case you’re interested how it works under the hood, I helped write this architecture description: arxiv.org/abs/2402.03239 (updated with new content just a few days ago)