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Behind the scenes of Bun Install
Learn how Bun is able to cut install times by up to 25×. Bun skips Node.js's overhead with direct system calls, cache-friendly data layouts, OS-level copy-on-write, and full-core parallelism.
Most cited
Posts that commenters keep linking to, ranked by how many different people have cited them in Hacker News comments. 528 posts.
Infrastructure & DevOps
Any year
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35M Hot Dogs: Benchmarking Caddy vs. Nginx
Have you ever wondered about the performance delta between Caddy and Nginx? Wonder no more.
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Using Immutable Caching to Speed Up the Web
The benefits of immutable caching mean that when a page is refreshed, which is an extremely common social media scenario, elements that were previously marked immutable with an HTTP response ...
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AWS Application Load Balancer
We launched Elastic Load Balancing (ELB) for AWS in the spring of 2009 (see New Features for Amazon EC2: Elastic Load Balancing, Auto Scaling, and Amazon CloudWatch to see just how far AWS has come since then). Elastic Load Balancing has become a key architectural component for many AWS-powered applications. In…
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Why we are not leaving the cloud
What we learned from our community vetting our proposal to leave the cloud.
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Cloudflare outage caused by bad software deploy
Starting at 1342 UTC today we experienced a global outage across our network that resulted in visitors to Cloudflare-proxied domains being shown 502 errors (“Bad Gateway”). The cause of this outage was deployment of a single misconfigured rule within the Cloudflare Web Application Firewall (WAF)
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Using Java 9 Modularization to Ship Zero-Dependency Apps
When Java was first introduced, mainstream programming languages mostly either compiled to standalone executables (e.g. C/C++, COBOL), or else ran in an interpreter (e.g. Perl, Tcl). For many programmers, Java’s need for both a bytecode compiler and a runtime interpreter was a shift in thought. The compilation model…
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Trying to build the ultimate Raspberry Pi computer – Zero Terminal V3
Here's another iteration on the Zero Terminal projects I've been working on for a few years. For those of you who haven't seen them, I've been trying to design the most usable all in one Pi Zero computer out there.
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Rust at OneSignal
Read all about our blazing fast Push Notification delivery system, OnePush, which is written in The Rust Programming Language.
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Backblaze Durability Is Eleven 9s – And Why It Doesn’t Matter
We’ve calculated Backblaze’s storage durability at 99.999999999%. What does that impressively large number mean, and does it actually matter for your data?
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CircleCI security alert: Rotate any secrets stored in CircleCI
Read CircleCI’s security alerts from January 2023. Last updated 1/13/2023.
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Amazon DynamoDB – a Fast and Scalable NoSQL Database Service from AWS
Today is a very exciting day as we release Amazon DynamoDB, a fast, highly reliable and cost-effective NoSQL database service designed for internet scale applications. DynamoDB is the result of 15 years of learning in the areas of large scale non-relational databases and cloud services. Several years ago we published…
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Tech Preview of Docker Desktop for M1
Apple has recently shipped the first Macs based on the new Apple M1 chips. Today we have a public preview that you can download and try out!
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AWS free tier data transfer expansion
The AWS Free Tier has been around since 2010 and allows you to use generous amounts of over 100 different AWS services. Some services offer free trials, others are free for the first 12 months after you sign up, and still others are always free, up to a per-service maximum. Our intent is to make […]
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The Next Backblaze Storage Pod
Each month we build 60 or so new Storage Pods, which require 60 CPUs, 720 SATA cables, 120 power supplies, and so on.
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Introducing Heroku Button
At Heroku, we want to make the process of deploying, running and updating code simple and easy. To that end, we’re launching the Heroku Button: a simple HT
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Breaking a large AWS spend into understandable pieces
Explore technical topics, solutions, and resources for building with Twilio – and beyond.
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Build a tiny CA for your homelab with a Raspberry Pi
Let's make a tiny, standalone CA! We'll use a Raspberry Pi 4, YubiKey 5 NFC, and Infinite Noise TRNG.
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Truly Seamless Reloads with HAProxy
What users often call a “seamless” or “hitless” reload is a configuration update or a service upgrade performed with no impact on user experience.
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Deprecated Linux networking commands and their replacements
In my article detailing the command line utilities available for configuring and troubleshooting network properties on Windows and Linux, I mentioned some Linux tools that, while still included and…
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Workers Durable Objects Beta: A New Approach to Stateful Serverless
Durable Objects provide a truly serverless approach to storage and state: consistent, low-latency, distributed, yet effortless to maintain and scale. They also enable coordination and real-time collaboration between clients.
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Cache-Control: immutable
About one year ago our friends at Facebook brought an interesting issue to the IETF HTTP Working Group - a lot (20%!) of their transaction...
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What's the Best Cloud? Probably GCP
In 2015 we migrated Quizlet from our legacy host to a large cloud provider. AWS is the default choice for most companies, but after comparing the options, we went with Google Cloud Platform (GCP). This is a summary of our analysis.
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Python Application Deployment with Native Packages
Speed, reproducibility, easy rollbacks, and predictability is what we strive for when deploying our diverse Python applications. And that’s what we achieved by leveraging virtual environments and Linux system packages.