Deno KV internals: building a database for the modern web
Deno is designed to streamline web and cloud development with built-in modern tools, direct access to web platform APIs, and the capability to import modules via npm. Web apps very often require some persistent application state. Setting up a database involves numerous configuration steps and the subsequent integration of an ORM or other systems. What if you could access such a database without an
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Go 1.22 inlining overhaul
Go 1.22 inlining overhaul Austin Clements, with contributions from Damien Neil, Matthew Dempsky, Michael Pratt, and Than McIntosh Last update: Jul 20, 2023 The Go compiler’s inliner has never been particularly good. It wasn’t until Go 1.12, released in 2019, that the Go compiler supported inlining more than leaf functions, and we’ve slowly chipped away at more limitations of the inliner over the y
Understanding AWS Lambda’s invoke throttling limits | Amazon Web Services
AWS Compute Blog Understanding AWS Lambda’s invoke throttling limits This post is written by Archana Srikanta, Principal Engineer, AWS Lambda. When you call AWS Lambda’s Invoke API, a series of throttle limits are evaluated to decide if your call is let through or throttled with a 429 “Too Many Requests†exception. This blog post explains the most common invoke throttle limits and the relationship
Speeding up the JavaScript ecosystem - eslint
We've talked quite a bit about linting in the past two posts of this series, so I thought it's time to give eslint the proper limelight it deserves. Overall eslint is so flexible, that you can even swap out the parser for a completely different one. That's not a rare scenario either as with the rise of JSX and TypeScript that is frequently done. Enriched by a healthy ecosystem of plugins and prese
HTTP/3 Prioritization Demystified
Robin Marx is a Web Performance Architect at Akamai Technologies. His main expertise is in network protocol performance, including HTTP/3 and QUIC, which was the topic of his PhD research. In a previous life he was a multiplayer game programmer and co-founder of LuGus Studios. YouTube videos of Robin are either humoristic technical talks or him hitting other people with longswords. If you deal wit
The Security Design of the AWS Nitro System - The Security Design of the AWS Nitro System
Publication date: February 15, 2024 (Document revisions) Amazon Elastic Compute Cloud (Amazon EC2) is a web service that provides secure, resizable compute capacity in the cloud. It is designed to make web-scale cloud computing easier for developers. The AWS Nitro System is the underlying platform for all modern EC2 instances. This whitepaper provides a detailed description of the security design
How PlanetScale Boost serves your SQL queries instantly — PlanetScale
And yes, I know what you’re thinking. “This query is bananas, man. I would never run this in production!â€. I know! I agree. The query is not particularly hard to understand, but if you try running it in a standard relational database, you’ll see that as soon as you have a few thousand star rows, the execution time of the query balloons out of control. Although this query uses the relational model
A minimal distributed key-value database with Hashicorp's Raft library | notes.eatonphil.com
A minimal distributed key-value database with Hashicorp's Raft library When I wrote the "build a distributed PostgreSQL proof of concept" post I first had to figure out how to use Hashicorp's Raft implementation. There weren't any examples I could find in the Hashicorp repo itself. And the only example I could find was Philip O'Toole's hraftd. It's great! However, I have a hard time following mult
How we tripled max concurrent jobs to boost performance of GitHub Actions
EngineeringHow we tripled max concurrent jobs to boost performance of GitHub ActionsThe GitHub Actions team has done lots of work to improve the performance and resource consumption of Actions on GHES in the past year. GitHub Actions became generally available on GitHub Enterprise Server (GHES) with the 3.0 release about two years ago. Since then, we’ve made many performance improvements to the pr
Git's database internals I: packed object store
AI & MLLearn about artificial intelligence and machine learning across the GitHub ecosystem and the wider industry. Generative AILearn how to build with generative AI. GitHub CopilotChange how you work with GitHub Copilot. LLMsEverything developers need to know about LLMs. Machine learningMachine learning tips, tricks, and best practices. How AI code generation worksExplore the capabilities and be
Redis Explained
Redis (“REmote DIctionary Serviceâ€) is an open-source key-value database server. The most accurate description of Redis is that it's a data structure server. This specific nature of Redis has led to much of its popularity and adoption amongst developers. 👋🾠You are reading Architecture Notes! Crave some byte-sized bites of this? Join me on Twitter. If it's not completely burned down by now. 😬 R
SQLite Internals: Pages & B-trees
SQLite Internals: Pages & B-trees Author Name Ben Johnson @benbjohnson @benbjohnson Image by Annie Ruygt Fly.io runs apps close to users around the world, by taking containers and upgrading them to full-fledged virtual machines running on our own hardware around the world. Sometimes those containers run SQLite and we make that easy too. Give us a whirl and get up and running quickly. Ok, I’ll admi
A Guide to the Go Garbage Collector - The Go Programming Language
Introduction This guide is intended to aid advanced Go users in better understanding their application costs by providing insights into the Go garbage collector. It also provides guidance on how Go users may use these insights to improve their applications' resource utilization. It does not assume any knowledge of garbage collection, but does assume familiarity with the Go programming language. Th
04.01.2022 - TypeScript/How the compiler compiles
This article is inspired by the talk How the TypeScript compiler compiles◹, you should really check it out for a more in-depth understanding about the TypeScript’s compiling process. At a high level, the TypeScript compiler is a tool to help us analyze and compile the TypeScript code into JavaScript (*.js), as well as some type definition files (*.d.ts) or source maps (*.js.map). If the source fil
An Introduction To Generics - The Go Programming Language
The Go 1.18 release adds support for generics. Generics are the biggest change we’ve made to Go since the first open source release. In this article we’ll introduce the new language features. We won’t try to cover all the details, but we will hit all the important points. For a more detailed and much longer description, including many examples, see the proposal document. For a more precise descrip
Amazon Aurora: Design Considerations + On Avoiding Distributed Consensus for I/Os, Commits, and Membership Changes
On distributed systems broadly defined and other curiosities. The opinions on this site are my own. Amazon Aurora: Design Considerations + On Avoiding Distributed Consensus for I/Os, Commits, and Membership Changes Amazon Aurora is a high-throughput cloud-native relational database. I will summarize its design as covered by the Sigmod 17 and Sigmod 18 papers from the Aurora team. Aurora uses MySQL
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The Internals of Deno | The Internals of Deno
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