







Workers now support up to 5 minutes of CPU time per request. Allowing more CPU-intensive workloads.
Doing nothing at work
Many engineers should be doing less work. I don’t necessarily mean producing less code or fewer changes, but literally working fewer hours in the day. When they do work, they should be working at a slower pace. I like to aim to be running at 80% utilization by default: unless I have a high-pressure project going on, I spend 20% of my workday away from the computer.

Kenton Varda on Twitter / X
Dynamic Workers are now in Open Beta, all paid Workers users have access.Secure sandboxes that start ~100x faster than a container and use 1/10 the memory, so you can start one up on-demand to handle one AI chat message and then throw it away.Agents should interact with the…— Kenton Varda (@KentonVarda) March 24, 2026

What We Learned from Letting AI Posttrain AI
We built a posttraining task that runs for 20 hours with the Tinker API. The core bottleneck is research intuition.

Brandon on Twitter / X
Wasn't fast enough, needed to use shared array buffer, web workers, and better GPU upload batching pic.twitter.com/o6BfVetKY1— Brandon (@brandon_xyzw) March 26, 2025
feat: service worker preload scripts for improved extensions support by samuelmaddock · Pull Request #44411 · electron/electron
Description of Change Implements RFC #8 which aims to allow Electron applications to support additional Chrome Extension APIs. Extension background service workers can be modified using preload scr...
The Fastest Way to Run GitHub Actions | Blacksmith
Speed up your GitHub actions with Blacksmith. Run CI/CD 2x faster, download caches 4x faster, build Docker images 40x faster, and eliminate queue times. Start free today.

How to Reduce Istio Sidecar CPU Usage
Practical strategies to reduce CPU consumption of Istio Envoy sidecar proxies for cost-efficient mesh operations.

workerd/src/workerd/io/container.capnp at 7bba5200673b4f014b9b7ff0b729e6ad0f027962 · cloudflare/workerd
The JavaScript / Wasm runtime that powers Cloudflare Workers - cloudflare/workerd
BullMQ - Background Jobs and Message Queue for Node.js, Python, Elixir & more
The open source message queue for Redis, trusted by thousands of companies processing billions of jobs every day. Available for Node.js, Bun, Python, Elixir, and PHP.

API Error: Server is temporarily limiting requests (not your usage limit) · Rate limited
19 votes, 14 comments. Carefully prepared and ran a task to have it running overnight and instead of seeing it in the morning completed, I see "API…

Claude Usage Limits Discussion Megathread Ongoing (sort this by New!)
628 votes, 2.3K comments. Why a Usage Limits Discussion Megathread? This Megathread makes it easier for everyone to see what others are experiencing…
Turbocharging Web Apps: Efficient AI Model Caching in Chrome