Packet Capture Without "tcpdump" for Go Apps in Kubernetes

Every developer knows there are some utilities that are completely indispensable from their workflows. The programmer’s toolbelt, if you will. These toolbelts are usually different from person to person, but if there is one tool that everyone should use or at least know how to use, it is tcpdump. If you are unfamiliar, tcpdump is a tool that allows you to dump and inspect live network traffic being observed on a network interface.


Scalable event streaming with Redis and Golang

A common problem that our customers have is event streaming spikey traffic to their clients. For example, imagine a server which needs to stream details on cryptocurrency trades. The quantity of trades happening each second is likely to fluctuate, sometimes nothing could happen, other times perhaps thousands. In order to ensure reliable communication, it’s important that rate limits are in place on how many messages are to be sent to subscribed clients.


Real-time distributed tracing for Go and Java Lambda Functions

Serverless applications streamline development by allowing you to focus on writing and deploying code rather than managing and provisioning infrastructure. To help you monitor the performance of your serverless applications, last year we released distributed tracing for AWS Lambda to provide comprehensive visibility across your serverless applications.

The painful simplicity of context propagation in Go

Context propagation is fundamental distributed tracing and modern observability. We're going to deep dive into how Context management works in OpenTelemetry, using Go as an example. I love programing in Go, and I appreciate the dedication to simplicity and readability. But sometimes "we fear magic" can drift into "we fear cameras will steal our souls." Is the explicit way that Go handles context propagation actually *too* simple?

OpenTelemetry Go: All you need to know

Welcome back to the latest edition of All you need to know. Today we’ll be focusing on one of my favorite languages, Go. All you really need to know is this: Seriously, that’s it. If you want to try out OpenTelelmetry in Go, follow the guide below. A heavily commented version of the finished tutorial can be found at here. Feel free to use this code as a reference when you get started with instrumenting your own application.


Guide to Pub/Sub in Golang

If you’ve ever used Go before, the concepts of Publish/Subscribe should be fairly familiar to you. It is much like how goroutines communicate over channels between each other, the idea boils down to allowing for such a channel to have multiple ‘subscribers’ receive messages sent on the channel. This paradigm can be powerful when used right, allowing for a cut down of complexity from both the publisher and subscriber side, as well as fast asynchronous communication.