On setting up highly available Kubernetes clusters

Recently, we’ve been working with clients on setting up highly available (HA) Kubernetes clusters. More specifically, we’ve been working on constructing automated installers for HA Kubernetes clusters, basically providing an automated “single-click” path to provisioning a new cluster, in a cloud or on-premise.

This article intends to share some of our experiences with Kubernetes installations and to reflect upon some of the considerations that one is faced with when planning a cluster setup.

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Elastisys listed as Kubernetes Technology Partner


Elastisys has been listed as a Kubernetes Technology Partner, together with around 60 other international companies like Intel, Citrix, CA Technologies and Puppet.

Kubernetes Technology partners offer integrations and plugins that add unique features on top of Kubernetes applications.

The open source project Kubernetes, released by Google, is becoming the de-facto standard for container orchestration. At Elastisys we have been using Kubernetes from the first release, integrating Kubernetes in our software platform and using it extensively to deliver intelligent cloud infrastructure to customers in all kinds of industries.

Besides our predictive analytics software for Kubernetes we also offer consultancy, training, development and help with transitioning into Kubernetes-based solutions. We have long experience in designing, building, and operating Kubernetes clusters. In particular, we excel in creation of self-healing, self-managing, and self-optimizing infrastructures. We also specialize in highly available set-ups – both on-premise as well as in public clouds.


Black Friday: e-commerce performance verdict

In part 1 of our Black Friday blog post series, we investigated the importance of uptime – you don’t make any sales when your site is down, but also site performance – slow sites kill conversion. We gave a few hints about how e-commerce sites can improve availability and performance.

Now, with Black Friday 2017 behind us, let’s make a dive into the results and see how Swedish e-commerce fared. At Elastisys, we developed some tools that tracked the performance of Sweden’s largest e-commerce companies and some selected international e-tailers live during Black Friday. We studied uptime as well as site performance and found the following:

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