Explore the four different ways to perform disk I/O on Linux and the tradeoffs and what we chose for ScyllaDB to build a high-performing database.

In the last few years Docker has emerged as a de facto standard for packaging apps for deployment. Today, Heroku Container Registry and Runtime is...

What happens when our training data is too big to fit on our machine, or training the model starts to take hours? We go to the cloud, of…

Learn about several approaches by major software companies to testing in production and product launching, so you can make your own product rollouts smoother.

Prashant Varanasi is a tech lead on the Software Networking team at Uber, working on service discovery and routing infrastructure. He started writing Go while at Google three years ago and it's been his go-to language ever since.

Go 1.9 Release Party Playlist…

AWS has now the largest cloud virtual machine in terms of memory, after launching the x1e.32xlarge, a new memory-optimized EC2 instance type. AWS customers can use this new type of instances in their production environments in order to handle the high memory…

TL;DR: In this post we’re going to do some metablogging and analyze different blogs popularity against their ranking in Google. All the code is on GitHub repo. The idea I’ve been wondering, how many page views actually do different blogs get daily, as well…

The microservices architecture is a variant of service oriented architecture. But how does it work with Docker and Kubernetes.

Learning is not only about what but how, not only about what technical skills you should have but it’s also about how you should learn…

Continuous Integration (CI) testing provides instant feedback as you develop Puppet code. While it’s great that your rspec-puppet and beaker tests pass using fixtures and stubs, you can get a false sense of security from unanticipated edge cases, unrealistic…

Why are organizations not translating excellence in IT management into equally good service? And can ITSM best practices, such as ITIL help remedy this? 

Anchore Navigator digs into images found in parts of operating systems that are missing, such as kernel and hardware-specific modules.

At CloudZero we're a startup and getting started is better than someone's definition of being perfect. And in security, getting started will have the most imp…

At work we use Kubernetes. Last Friday I was talking to a colleague and we were wondering how load balancers, services and pods worked all…

Posts and writings by Lennart Poettering