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We survived 10k requests/second: Switching to signed asset URLs in an emergency
A long day of debugging led to a better solution: Signed URLs.
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 4,378 posts.
Infrastructure & DevOps
Any year
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Migrating our backend from Vercel to Fly.io
Why we migrated OpenStatus' backend from Vercel to Fly.io using Hono and Bun — the challenges, performance gains, and lessons from the migration.
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Terraform is not the golden hammer
The Kubernetes control plane for humans and AI agents, on your own infrastructure, cloud or on-premise.
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Anatomy of a Ceph meltdown
Last week, the server farm of our LMU Student Council had a major downtime over almost five days. As part of the administrator team there, I’d like to publish this post mortem to share our experiences and lessons learned to avoid situations like this in the future.
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455 Tb of live streaming were transferred during the Olympic Games Rio 2016
TL;DR Motivated by a friend, we’ll share bits of our experience during the Olympic Games Rio 2016. Before starting, I would like to clarify that Globo.com only had rights for streaming the content …
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Your Docker image might be broken without you knowing it
You learned about Docker . It's awesome and you're excited. You go and create a Dockerfile:
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ETL Pipelines with Airflow: The Good, the Bad and the Ugly
Pipelines with Airflow ETL: Unveiling the Good, the Bad, and the Ugly sides of the process.
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Making aerial fiber deployment faster and more efficient
Globally, more than 3.5 billion people are still not connected to the internet. With average data usage per person growing 20 to 30 percent annually, legacy bandwidth-limited technologies have been…
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D1: Improvements to performance and scalability
We've been heads down iterating on D1, and we've just shipped a major new version that's substantially faster, more reliable, and introduces Time Travel: the ability to restore a D1 database to any point in time.
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Containers vs. pods – taking a deeper look
Can a Kubernetes Pod be created with plain Docker commands? Learn the difference between Containers and Pods by exploring how they are implemented under the hood.
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CPanel's Black Week: 3 New Vulnerabilities Patched After Attack on 44k Servers
If you run a server with cPanel or WHM, you need to read this carefully. On May 8, 2026 — just ten days after the cPanel CVE-2026-41940 authentication bypass was used to compromise 44,000 web hosting servers and deploy ransomware — cPanel quietly released a second emergency security patch. This one covers three new…
2892
Speeding up a Git monorepo
We migrated from Mercurial to Git in 2014 to improve local performance and began consolidating our repositories that hosted our backend code. But as this monorepo grew, we experienced Git performance issues that grew linearly with the number of files we added. Inconveniently, this problem was the most severe on…
2893
Honey, I shrunk the NPM package
Have you ever wondered what lies beneath the surface of an npm package? At its heart, it’s nothing more than a gzipped tarball. Working in software development, source code and binary artifacts are nearly always shipped as .tar.gz or .tgz files. And gzip compression is supported by every HTTP server and web browser…
2894
Traefik, Now With Native Go Plugins
Traefik 2.3, the latest version of the most popular open source cloud native proxy, is now available. With plugins, ECS provider, and more!
2895
The Amazon Prime Day 2023 AWS Bill
How much would AWS cost for Amazon Prime Day? Here's Corey Quinn's best guess at the company's AWS bill for the two-day shopping event.
2896
Announcing Graylog v1.0 GA
Graylog is a leading centralized log management solution for capturing, storing, and enabling real-time analysis of terabytes of machine data.
2897
The Helium Factor and Hard Drive Failure Rates
Helium-filled hard drives attempt to cut down on friction, leading to better performance. We’ve crunched the numbers: how do they actually perform?
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Run Docker containers natively in Proxmox 9.1 (OCI images)
Published: 20-11-2025 22:34 | Author: Remy van Elst | Text only version of this article
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Amazon Elasticsearch Service
September 8, 2021: Amazon Elasticsearch Service has been renamed to Amazon OpenSearch Service. See details. Elasticsearch is a real-time, distributed search and analytics engine that fits nicely into a cloud environment. It is document-oriented and does not require a schema to be defined up-front. It supports…
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AWS EC2 T2 Instances Demystified: Don’t Learn the Hard Way
How T2 burstable instances and CPU credits really work, with a worked example of a busy t2.micro running out of credits and grinding to a halt.
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OpenWrt in a WiFi card reader (2017)
The Zsun Wifi card reader is cheap tiny USB to MicroSD card reader with an integrated wifi chip running Linux, In a nutshell, it is a WiFi access point with more flash (16MB) and RAM (64 MB) than most OpenWrt supported routers. Polish hardware hacker q3k from Warsaw Hackerspace, is a recent and…
2906
Grace Blackwell needs a new scheduler: 27% more usable GPUs from the same racks
NVL72 puts all 72 GPUs in a rack on one NVLink fabric, but only rack-local jobs get the speedup. How SkyPilot keeps multi-node training and inference on NVLink with topology-aware placement, in-place recovery from GPU failures, and automatic defragmentation.
2907
CoreOS's rkt and Docker's containerd jointly donated to CNCF
No single cloud fits all. Explore how we build a more flexible future with hybrid cloud.
2908
Laptop to Lambda: Outsourcing Everyday Jobs to Thousands of Transient Containers
This week’s paper review is the second in a series on “The Future of the Shell” (Part 1, a paper about possible ways to innovate in the shell is here ). As always, feel free to reach out on Twitter with feedback or suggestions about papers to read! These weekly paper reviews can also be delivered weekly to your inbox .
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The End of CI
Today, Continuous Integration (CI) is something that nearly every engineering organization does. However, I predict that in the future, nobody will do it.