To better understand what Kubernetes is and why it is so important, it is recommended that you have some knowledge about containers. With that said, if you need an introduction to containers, we recommend that you go over our previous article: What Are Containers? An Introduction to Containerization.
As we previously discussed in the article mentioned above, when you are trying to manage a containerized deployment, you will need a platform to manage containers efficiently.
To be more specific, you need a container orchestrator that will automate the tasks required to successfully run your containerized applications. Although there are several container orchestrators, one of the most popular is Kubernetes.
What is Kubernetes?
Kubernetes, also known as k8s, is an open-source container orchestration system that allows you to automatically manage containerized workloads and services. This means that Kubernetes can help you automatically manage, scale, and deploy your containerized applications. Kubernetes was initially developed at Google but was open-sourced in 2014 when passed on to the Cloud Native Computing Foundation (CNCF).
Some of the important Kubernetes features are automatic load balancing, so you do not have to worry about servers being flooded. Container management; if your containers need to be managed, i.e., need to be activated, suspended, or just shut down, Kubernetes takes care of it. Also, if containers fail or malfunction, Kubernetes can replace them.
In addition, Kubernetes can dynamically scale; if you need to scale up or down your application based on demand, Kubernetes helps with that as well. In other words, Kubernetes ensures that your applications always work as expected.
With a Kubernetes deployment, you get a Kubernetes Cluster. This cluster is a combination of several components that work together to successfully run your containerized applications. To understand a little more about Kubernetes and what a Kubernetes cluster is, we will review some of the components that make up a cluster.
What is Kubernetes Storage?
What is Software-defined Storage?
What is a POSIX file system?
Quobyte - a scale-out file system for Kubernetes
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