TCP Protective Load Balancing coming to Linux...

An aws engineer discovered a 50% regression in postgres throughput while testing the new Linux 7.0 kernel. The cause turns out to be massive TLB and page faults exacerbated by Postgres process-based design. In this backend engineering show episode I dive deep into how this was di ...  Show more

A discussion about why many engineers still love the struggle, the mistakes, and the process of figuring things out themselves. This is how we grow and get better and stronger. Letting AI do everything (even though it can’t) robs us this feeling.. 

These days, most network devices can speak both IPv4 and IPv6. A dual-stack approach can smooth the transition from one protocol to the other because organizations can get comfortable with IPv6 without having to make a hard cutover. However, they may get so comfortable that they ...  Show more

The internet wouldn’t exist as we know it if it weren’t for TCP and UDP, yet many developers don’t quite understand the technology powering the web. In this episode we talk with Adam Woodbeck, author of Network Programming with Go, to learn about TCP and UDP; what they are, how t ...  Show more

Where there are containers, there is networking. Today we dig into the networking that underlies Kubernetes, the open source orchestration platform for container-based applications. Our guest Karim El Jamali takes us through the essential concepts: Nodes, pods, clusters, CNIs, vi ...  Show more

Containers offer speed, performance, and portability, but do they actually contain? While they try their best, the shared kernel is a disturbing attack surface: a mere kernel vulnerability may allow containerized processes to escape and compromise the host. This issue prompted a ...  Show more