Topic
Sockets, the kernel network stack, namespaces, cgroups: what containers are made of.
3 posts
Deep dive
The image never reaches the API server. What reaches it is a few hundred bytes of YAML. Tracing the real path from a commit to a process inside a container — a chain of independent loops, none of which knows the others exist.
onKubernetes & Platform postsLinux & Networking posts
14 min read
Deep dive
I thought I understood net/http's connection pool. Then I found out the pool key ignores the path entirely, and that my own Transport config had silently turned off HTTP/2. Three discoveries, measured with httptrace.
onGo postsLinux & Networking posts
8 min read · Part 2 of net/http under the hood
Deep dive
Finally understand what listen(), accept(), and the TCP handshake really do. No more confusion.
4 min read · Part 1 of Networking for dummies