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Binance built a 100PB log service with Quickwit
Binance Scales its Log Service to 100PB and Saves Millions with Quickwit
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We might want to regularly keep track of how important each server is
You're probably reading this page because you've attempted to access some part of my blog (Wandering Thoughts) or CSpace , the wiki thing it's part of. Unfortunately you're using a browser version that my anti-crawler precautions consider suspicious, most often because it's too old (most often this applies to versions…
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Comparing AWS S3 with Cloudflare R2: Price, Performance and User Experience
In September 2021, Cloudflare took the tech world by storm by announcing R2: a storage service accessible through the ubiquitous S3 API but that didn't charge any egress ("bandwidth") fees. You only pay for storage and read/write/delete requests. It was a major kick in the incumbents' balls who all…
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Ukraine's three nuclear power plants have restored electricity production
Ukraine’s three operating nuclear power plants (NPPs) have largely restored their electricity production after sharply reducing output last week as a precautionary step due to renewed attacks on the country’s increasingly fragile energy grid, Director General Rafael Mariano Grossi of the International Atomic Energy…
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Keycloak SSO with Docker Compose and Nginx
A personal code notes blog
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I Self-Hosted Llama 3.2 with Coolify on My Home Server
Discover how I transformed an old server into a powerful AI engine, self-hosting Llama 3.2 with GPU acceleration using Coolify. A step-by-step guide.
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Bento: Open-source fork of the project formerly known as Benthos
Announcing Bento, the open source fork of the project formerly known as Benthos.
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Running a Raspberry Pi with a read-only root filesystem
While there are downsides, using a read-only root filesystem will dramatically increase your Pi SD card's lifetime.
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Sunlight, a Certificate Transparency log implementation
Let’s Encrypt is proud to introduce Sunlight, a new implementation of a Certificate Transparency log that we built from the ground up with modern Web PKI opportunities and constraints in mind. In partnership with Filippo Valsorda, who led the design and implementation, we incorporated feedback from the broader…
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A lesson in dockerizing shell scripts
My learnings from publishing my first ever Dockerfile for ugit (a shell script based tool to undo git command) and writing the most optimized dockerfile for it.
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Major data center power failure (again): Cloudflare Code Orange tested
Just four months after a complete power outage at a critical data center we were hit with the exact same scenario. Here’s how we did this time, and what’s next
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Saving cloud costs by writing our own database
What is the first rule of programming? Maybe something like “do not repeat yourself” or “if it works, don’t touch it”? Or, how about “do not write your own database!”… That’s a good one.
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Heroku Postgres is now based on AWS Aurora
We’re thrilled to launch our new Heroku Postgres Essential database plans. These plans have pgvector support, no row count limits, and come with a 32 GB...
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Cache is King: A guide for Docker layer caching in GitHub Actions
Enable Docker layer caching with cache-from and cache-to using GitHub's cache or registry cache for faster CI builds.
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Breaking down a record-setting day on the Texas grid
Market highlights and explanations from a day of records in ERCOT.
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Why systemd is a problem for embedded Linux
I don’t want to post yet another anti-systemd rant, but I think the ubiquity of systemd could eventually create real problems for embedded Linux. I just wish I knew what to do about it.
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Prometheus 3.0
An open-source monitoring system with a dimensional data model, flexible query language, efficient time series database and modern alerting approach.
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Linux's Bedtime Routine
How does Linux move from an awake machine to a hibernating one? How does it then manage to restore all state? These questions led me to read way too much C in trying to figure out how this particular hardware/software boundary is navigated.
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GitHub Actions as a time-sharing supercomputer
Learn how and why I turned GitHub's APIs into a time-sharing supercomputer from the 1970s to execute modern batch jobs.
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Deterministic simulation testing for our entire SaaS
How we leverage Antithesis to deterministically simulate our entire SaaS platform and verify its correctness, all the way from signup to running entire Kafka workloads.
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Project Bluefin: an immutable, developer-focused, Cloud-native Linux
Today we "relaunched" ublue-os/bluefin as projectbluefin.io. This is a beta until Spring 2024. Bluefin is a custom image of Fedora Silverblue by a bunch of cloud-native nerds. We want a reliable desktop experience that runs everything but we're too lazy to maintain anything. So we
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Preliminary Post Incident Review
Read the preliminary post incident report regarding the CrowdStrike Falcon content update affecting Windows hosts.
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Encryption at Rest: Whose Threat Model Is It Anyway?
Head’s up: This is a blog post about applied cryptography, with a focus on web and cloud applications that encrypt data at rest in a database or filesystem. While the lessons can be broadly a…
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Our container platform is in production. It has GPUs. Here's an early look
We’ve been working on something new — a platform for running containers across Cloudflare’s network. We already use it in production, for AI inference and more. Today we want to share an early look at how it’s built, why we built it, and how we use it ourselves.
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Amazon S3 now supports the ability to append data to an object
Discover more about what's new at AWS with Amazon S3 Express One Zone now supports the ability to append data to an object
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Dear AWS, please let me be a cloud engineer again
I’m an AWS Serverless Hero, principal engineer at an AWS centric logistics company, and I build and maintain the AWS News Feed. It’s fair to say that I am very interested in everything AWS does. Bu…
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Why are my ZFS disks so noisy?
Earlier this year, a user at Practical ZFS asked a deceptively simple question: I have a Proxmox pool of three four-wide RAIDz1 vdevs. Whenever my VM is running, all twelve... Read More