Archive
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Scaling Meta’s 24,576 H100 Custom RoCE Network
When you’re training a model as massive as Llama 3, the hardware challenges move from "difficult" to "statistically improbable." We aren't just talking about p…
Zero-Copy Edge Networking with eBPF and XDP
Imagine you’re standing at the gates of a stadium. Every second, 100,000 people arrive. Your job is to check their tickets, verify their identity, and point th…
Inside Netflix Open Connect: The Engine of Global Streaming
You hit play on Stranger Things. Within milliseconds, the first frame splashes across your screen. You might think you just requested a video from "the cloud,"…
Hardware-Backed Memory Safety for Borg at Global Scale
Imagine you’re responsible for a fleet of millions of servers. This is Borg, Google’s cluster management system—the precursor to Kubernetes and the nervous sys…
Zero-Copy Service Mesh Performance with eBPF and Shared Memory
In the modern microservices landscape, we’ve made a devil’s bargain. We traded the simplicity of the monolith for the scalability of distributed systems, and i…
Scaling TLA+ for High-Throughput Consensus Verification
Imagine it’s 3:00 AM. Your distributed storage engine, the backbone of a multi-petabyte infrastructure, has been humming along at 20 million IOPS for six month…
Exabyte-Scale Metadata Journaling Failures During AZ Failover
It was 3:14 PM UTC on a Tuesday—the kind of unremarkable afternoon where the most exciting thing on the monitoring dashboard is usually a minor garbage collect…
Sub-Millisecond Tail Latency via eBPF and XDP Stack Bypass
Imagine this: You’re running a globally distributed microservices architecture. Your frontend is in Tokyo, your middleware is in Frankfurt, and your database i…
Engineering a Million-TPS Consistent Planetary Ledger
The laws of physics are the ultimate regulators of distributed systems. If you want to move data from a validator in New York to one in Tokyo, you’re looking a…