Recap: High-performance Linux Monitoring With Ebpf

Recap of Alfonso Acosta’s talk High-performance Linux Monitoring with eBPF (Extended Berkeley Packet Filter). Learn how it’s used in Weave Scope.

Kubernetes Rolling Upgrades One By One

Have a semi-stateful service running on Kubernetes and want to do rolling upgrades? Tom Wilkie outlines how to make deployments upgrade one by one.

Weave-npc: Container Firewalls In Go

Weave Network Policy Controller is an implementation of the Kubernetes Network Policy. Read on to learn about container firewalls in Go.

Kubecon Europe 2017: A Kubernetes Community Meeting

That’s a wrap, KubeCon Europe 2017 Another successful CloudNativeCon + KubeCon Europe is in the books, and we want to extend a huge thanks to everyone who visited our booth and attended our talks. We love getting the chance to chat with...

Weave Cloud And The Future Of K8s: A Simplified Kubernetes Installation

Since announcing kubeadm in September as a simplified way to install Kubernetes, SIG-cluster-lifecycle has made a number of updates to the tool. The goal remains the same: to make it the standard for Kubernetes installation. Lucas...

Of Metrics And Middleware

The topic of how the services in Weave Cloud are instrumented came up in two discussions this week, so I thought I’d write a short blog post explaining all the moving parts. Instrumenting Requests For all services in Weave Cloud, we...

Microservices: Lessons Learned

Back in September 2016 I gave a talk at the Microservices SF meetup entitled “Microservices: Lessons Learned”. This post is a brief write up of the talk, including the video and slides. It’s much more opinionated that previous posts –...

Log Aggregation For Kubernetes With Loggly

I consider log aggregation to be one of “pillars” of observability – a crucial service that every developer needs when working with distributed apps / microservices / cloud natives. In this post I’ll explain how we uses Loggly to aggregate...

Prometheus, Configmaps And Continuous Deployment

This is the story of how we manage our Prometheus config to avoid restarting Prometheus too often, losing all our history. It is a short, up to date write up of a talk I gave at the first London Prometheus meetup. In the beginning there...

Phase 1: Socks; Phase 2: ?; Phase 3: Profit

Editor’s note: this post has nothing to do with the Sock Shop, which is our microservices sample application. Rather, it’s about finding a modern use for the 1990s SOCKS proxy. Intrigued? Read on… The challenge: you’ve built and deployed...

Weave Cloud Outage 28th Feb Post-mortem

Weave Cloud is our service for deploying, exploring, and monitoring microservice-based applications. At 17:37 GMT on 28th Feb, Weave Cloud suffered an outage for over 4 hours. The expectation of availablilty on a service like Weave Cloud...

Kubernetes Beginner's Guide: Learning The Basics In An Hour

I’m new to Kubernetes. So when I saw on Meetup that Weaveworks was hosting a User Group session introducing the concepts of deploying containers and microservices to Kubernetes, I figured it was worth checking out. I’m glad I did! In just...

Provisioning And Lifecycle Of A Production Ready Kubernetes Cluster

At Weaveworks we run Weave Cloud (our monitoring & visualization service for Cloud Native applications) on a Kubernetes cluster in AWS. In this post I’ll discuss the methods we use to provision and operate the cluster through the...

Kubernetes Raspberry Pi Cluster: Possible With Weave Net

Sometimes life takes a strange turn. Me writing this blog post for example. Two years ago I was looking for a new platform for building e-services for a former employer. The current solution was nothing more than a couple of web servers....

Cloud Provider Options For A Container-friendly Environment

The advent Docker and containers, has simplified packaging, deploying and supporting applications. However, with this advancement come challenges, as you also need a robust environment in which to deploy the containers. And that requires...

Dashboards As Code

If you use Prometheus, then you probably use Grafana. At Weave, we have Grafana dashboards for all of our microservices. When we want to understand our system, our Grafana dashboards are the first things we look at. To make the most out of...

Docker Swarm Mode Vs. Kubernetes: Key Facts You Need To Know

Docker Swarm Mode and Kubernetes are two of the most popular tools for container clustering and orchestration, despite their divergent philosophies and capabilities. Since both platforms are quite distinct, experience with one generally...

Join Weaveworks At Kubecon Seattle + Cloudnativecon

KubeCon Seattle is Almost Here KubeCon Seattle is just around the corner and we hope to see you there Nov. 8-9. If you’re not familiar with KubeCon Seattle, the two-day event brings together thousands of Kubernetes technologists to hear...

What Are Microservices?

Software applications built using microservices have multiplied rapidly in recent years, and the trend shows no signs of slowing down. A host of tech industry titans, including Netflix, Amazon, eBay, Uber and Comcast, have all written...

Whodunnit? Debugging And Diagnosing Microservices With Weave Cloud Beta

Debugging is about understanding the system. If software is behaving in some unexpected way, it means there is some piece of the system you don’t understand. Microservices, in particular, spread the system’s behaviour across many...