Tags: sockets

Debugging Netlink Requests

This week I was working on a Kubernetes networking problem. Basically our container network backend was reporting that it couldn’t delete routes, and we didn’t know why. I started reading the code that was failing, and it was using a library called “netlink”. I’d never heard of that before this...
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How Fast Are Unix Domain Sockets?

It probably happened more than once, when you ask your team about how a reverse proxy should talk to the application backend server. “Unix sockets. They are faster.”, they’ll say. But how much faster this communication will be? And why a Unix domain socket is faster than an IP socket when multiple...
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