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Architect – A Serverless Framework
I’m a believer in the power of frameworks, and for good reason — the bulk of my career as a programmer and technology leader involved the use of Rails. Durin...
Topics /
Infrastructure & DevOps
The most popular blog posts about infrastructure & devops on Hacker News. 4,375 posts.
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Intelligent Kubernetes Load Balancing at Databricks
How Databricks uses client-side load balancing to improve gRPC traffic, reduce tail latency, and handle ingress with real-time service discovery.
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Building Burstables: CPU slicing with cgroups
Burstable VMs run on a fraction of CPU and burst to a higher level of CPU usage to support occasional usage spikes. To implement them, we leveraged Control Groups v2 (cgroups v2), a Linux kernel feature that helps manage resource usage. We thought our open-source implementation of burstable VMs might be interesting…
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GRPC and JSON
So you’ve bought into this whole RPC thing and want to try it out, but aren’t quite sure about Protocol Buffers. Your existing code encodes your own objects, or perhaps you have code that needs a particular encoding. What to do? Fortunately, gRPC is encoding agnostic! You can still get a lot of the benefits of gRPC…
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Escaping surprise bills and over-engineered messes: Why I left AWS
Frustrated with AWS's complexity and cost risks, I switched to NearlyFreeSpeech for its prepaid model, ensuring financial control while keeping hosting simple and flexible.
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Replacing Clever Code with Unremarkable Code in Go
SolarWinds database performance monitoring software helps optimize and manage databases, providing comprehensive monitoring, analysis, and tuning. Improve your database performance with visibility, control, and streamlined management across on-premises and cloud environments. Free trial available!
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Node.js built-ins on Deno Deploy
You can now use Node.js built-in modules like `node:http` on Deno Deploy, allowing you to run existing Node.js apps at the edge.
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Kubernetes: Make your services faster by removing CPU limits
At Buffer, we’ve been using Kubernetes since 2016. We’ve been managing our k8s (kubernetes) cluster with kops, it has about 60 nodes (on AWS), and runs about 1500 containers. Our transition to a micro-service architecture has been full of trial and errors. Even after a few years running k8s, we are still learning its…
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New lower Azure pricing
As part of our continued commitment to deliver Azure to customers at the best possible prices, effective October 1st, we are lowering prices on many of our most popular virtual machines (VMs).
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Using ARG in a Dockerfile – beware the gotcha
Learning about the subtle gotcha with ARG and FROM instruction ordering in Dockerfile definitions.
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The FCC is about to ban 21% of its test labs today. I mapped them all
591 FCC-accredited test labs mapped across 28 countries. Location, accreditation status, TCB capability, and which labs face the Bad Labs ban.
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Airflow 2.0
We're proud to announce that Apache Airflow 2.0.0 has been released.
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The fastest de-referer service... with AWS Global Accelerator
Yes, hiding HTTP-referers on your outgoing links are still a thing. Even though standards evolved, they rely on your user having a current browser, which is really something outside of your control. Even then, many larger websites have technologies in place to mask the http-referer on outgoing links. This is to avoid…
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Quick VPN Setup with AWS Lightsail and WireGuard
How to run your own VPN in the cloud for less than a penny per hour ( $0.007 / hr )
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DigitalOcean Region Information
Up to date records of DigitalOcean Data Centers
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Observability 2.0 and the Database for It
What Observability 2.0 means in practice, how wide events replace siloed metrics/logs/traces, and why GreptimeDB is purpose-built as the database foundation.
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OpenTelemetry for Go: Measuring overhead costs
We benchmarked OpenTelemetry overhead in a high-load Go app against eBPF-based instrumentation to see where tracing adds real cost.
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Moving Marginalia to a new server
So the search engine is moving to a new server soon, thanks to the generous grant mentioned recently. If you visit search.marginalia.nu now, it may or may not use the old or new server. It’ll be like this for a while, since I need them both for testing and maintenance type work. I’ll also apologize if this post is a…
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AWS Tagging Best Practices
Learn AWS tags best practices and real-world tagging strategies to improve cost visibility, organize resources, enforce standards, and automate management
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Cloudflare’s Zero Egress Fee Object Storage, R2, Is Now GA
R2 is now generally available!! R2 gives developers object storage minus the egress fees
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Abusing AWS Lambda to make an Aussie search engine
UPDATE 2025-05-19 Somewhat un-suprisingly AWS has closed the loophole that I was exploiting for this https://aws.amazon.com/service-terms/#30._AWS_Lambda and as such compiling data into your lambda …
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Making LLM Training Faster with Unsloth and NVIDIA
Learn how NVIDIA helped Unsloth to make fine-tuning AI models 20% faster with explanations and diagrams.