Field Signal · Curated Reading
The Engineering
Signal.
High-signal field notes, architecture teardowns, and engineering writing from 50 publications. A focused reading queue for becoming a stronger end-to-end engineer. Updated 20 Aug.
Redpanda Terraform supports managing Redpanda Connect pipelines, private network
Automate Redpanda Cloud with Terraform. Manage Connect pipelines, PrivateLink, and BYOVPC to reduce operational toil and enforce enterprise governance.
Discord Patch Notes: February 4, 2026
Check out the finer details of the more technical fixes implemented into Discord recently.
Introducing Node Readiness Controller
In the standard Kubernetes model, a node’s suitability for workloads hinges on a single binary "Ready" condition. However, in modern Kubernetes environments, nodes require complex infrastructure dependencies—such as network agents, storage drivers, GPU firmware, or custom health checks—to be fully o...
Redpanda Serverless GA: AWS PrivateLink & metrics
Zero-ops simplicity meets enterprise-grade security to unlock production-ready data streaming for builders. Here’s what’s new in Redpanda Serverless.
How to Customize Your Discord Profile
Make your first impression count with a profile that represents you how YOU want to be seen. Learn how to edit and customize your profile to have it rep you the right way.
New Conversion from cgroup v1 CPU Shares to v2 CPU Weight
I'm excited to announce the implementation of an improved conversion formula from cgroup v1 CPU shares to cgroup v2 CPU weight. This enhancement addresses critical issues with CPU priority allocation for Kubernetes workloads when running on systems with cgroup v2. Background Kubernetes was originall...
Litestream Writable VFS
I’m Ben Johnson, and I work on Litestream at Fly.io. Litestream is the missing backup/restore system for SQLite. It’s free, open-source software that should run anywhere, and you can read more about it here. Each time we write about it, we get a little bit better at golfing down a description of wha...
Bloblang playground just got smarter
We’ve supercharged the Bloblang Playground with better autocomplete, dynamic metadata detection, and swifter collaboration.
Ingress NGINX: Statement from the Kubernetes Steering and Security Response Committees
In March 2026, Kubernetes will retire Ingress NGINX, a piece of critical infrastructure for about half of cloud native environments. The retirement of Ingress NGINX was announced for March 2026, after years of public warnings that the project was in dire need of contributors and maintainers. There w...
Experimenting with Gateway API using kind
This document will guide you through setting up a local experimental environment with Gateway API on kind . This setup is designed for learning and testing. It helps you understand Gateway API concepts without production complexity. Caution: This is an experimentation learning setup, and should not ...
Cluster API v1.12: Introducing In-place Updates and Chained Upgrades
Cluster API brings declarative management to Kubernetes cluster lifecycle, allowing users and platform teams to define the desired state of clusters and rely on controllers to continuously reconcile toward it. Similar to how you can use StatefulSets or Deployments in Kubernetes to manage a group of ...
Untitled
Clear state, predictable behavior, fewer surprises. That's what happened after we refactored our scheduler. Here's what we did and a demo comparing the old with the new.
How to optimize real-time data ingestion in Snowflake and Iceberg
Learn about the hidden costs of real-time data ingestion and practical strategies to optimize your streaming infrastructure.
The Design & Implementation of Sprites
We’re Fly.io, and this is the place in the post where we’d normally tell you that our job is to take your containers and run them on our own hardware all around the world. But last week, we launched Sprites, and they don’t work that way at all. Sprites are something new: Docker without Docker withou...
One for the Treble, Two for the Time
Time is like a river made up of events which happen, and a violent stream; for as soon as a thing has been seen, it is carried away, and another comes in its place. — Meditations, Book IV
The convergence of AI and data streaming - Part 1: The coming brick walls
If we can’t get an AI to draw a realistic d20, how can we “roll the dice” on it? Learn about AI’s limits and strategies to overcome them.
Code And Let Live
The state of the art in agent isolation is a read-only sandbox. At Fly.io, we’ve been selling that story for years, and we’re calling it: ephemeral sandboxes are obsolete. Stop killing your sandboxes every time you use them. My argument won’t make sense without showing you something new we’ve built....
Build a real-time lakehouse architecture with Redpanda and Databricks
Learn how Redpanda’s Iceberg Topics and Databricks Unity Catalog enable real-time, analytics-ready tables without batch, orchestration, or babysitting.
Build production‑grade agentic AI with Redpanda Connect and broker auditing
Learn how to build secure, observable agentic AI on Redpanda using Connect for AI tools and data access, plus broker audit logs to capture every agent action.
How to Make and Use Custom Emoji on Discord
Emojis on Discord are special — you can make a little picture out of almost any symbol, in-joke, or bizarre late-night inspiration.
Litestream VFS
I’m Ben Johnson, and I work on Litestream at Fly.io. Litestream is the missing backup/restore system for SQLite. It’s free, open-source software that should run anywhere, and you can read more about it here. Again with the sandwiches: assume we’ve got a SQLite database of sandwich ratings, and we’ve...
Streaming IoT and event data into Snowflake and ClickHouse
Learn how to stream IoT and event data into Snowflake and ClickHouse using Redpanda
Discord Patch Notes: December 8, 2025
Check out the finer details of the more technical fixes implemented into Discord recently.
Gift Ideas for the Dedicated Discord User in Your Life
We’ve got plenty of gift ideas, from those who game through the night, to those who decorate their profile just right — let’s dig in!
Your Discord Checkpoint is Rolling Out! Celebrate What You Did in 2025
How many messages did you send? How long did you hang out in voice? Who’d you talk with the most? Stop by your end-of-year Checkpoint, a recap of the stuff YOU did on Discord throughout the year!