What Is Kubernetes?
Kubernetes is an open-source container orchestration system for automating the deployment, scaling, and management of containerized applications. It was originally developed by Google and is now maintained by the Cloud Native Computing Foundation (CNCF). Kubernetes provides a platform-agnostic way to manage and scale containerized applications, making it easier to deploy and manage applications in a cloud-native environment.
Kubernetes is widely adopted and has become the world’s most popular container orchestration platform. According to a survey conducted by the Cloud Native Computing Foundation (CNCF), Kubernetes is used by over 50% of organizations surveyed. This popularity can be attributed to its flexibility, scalability, and ability to manage large-scale, complex applications.
Additionally, Kubernetes is supported by major cloud providers such as Amazon Web Services, Google Cloud Platform, and Microsoft Azure, making it easy for organizations to deploy and manage their applications in a cloud environment.
5 Kubernetes Adoption Challenges
Kubernetes is a powerful and popular container orchestration platform, but it can also present several challenges for organizations:
Managing Kubernetes More Efficiently
Here are a few ways your organization can adopt Kubernetes more easily and improve the efficiency of teams working with it.
Using the Dashboard
The Kubernetes Dashboard is a web-based user interface that allows you to manage and monitor a Kubernetes cluster. It provides an easy way to view and manage the resources in a cluster, such as pods, services, and deployments.
The Kubernetes Dashboard allows you to:
Enforce Version Control for Resource Manifests
Enforcing version control for resource manifests in Kubernetes provides several benefits:
A service mesh is a configurable infrastructure layer for microservices-based applications that makes communication between service instances flexible, reliable, and fast. It provides features such as load balancing, traffic management, service discovery, and observability that can be used to make the most of Kubernetes.
Some of the ways that a service mesh can help to make the most of Kubernetes include:
Reducing Kubernetes Costs
Another challenge experienced by organizations is that adopting Kubernetes has a high cost. Even though Kubernetes itself is free, open source software, there are high costs involved in deploying Kubernetes clusters, either on-premises or in the public cloud. Here are a few ways your organization can save these costs.
Using AWS Graviton For Better Performance and Reduce Costs
AWS Graviton processors are custom-built by Amazon Web Services (AWS) using ARM-based technology. These processors are designed to deliver high performance and cost-efficiency for cloud-native applications.
AWS Graviton processors are available in various instance types, each optimized for specific use cases, such as the Graviton2 instances are optimized for high-performance computing workloads, including machine learning and high-performance databases, and the Graviton instances are optimized for web servers, caching fleets, and other compute-intensive workloads.
Here are the benefits of using Graviton:
AWS Graviton processors also support all the features that are available on x86-based instances, and can run the same software and libraries as x86-based instances. This means that users can run their existing applications on instances that use Graviton processors without having to make any changes.
Set Resource Requests and Limits for Pods
In Kubernetes, resource requests and limits are used to specify the minimum and maximum amount of resources that a pod should have access to. This allows Kubernetes to make better decisions about how to schedule pods and ensure that resources are used efficiently.
Resource requests define the minimum amount of resources that a pod needs to function correctly. When a pod is created, Kubernetes will ensure that the pod has access to at least the amount of resources specified in its requests. This helps to prevent the over-allocation of resources and ensures that pods have the resources they need to function.
Resource limits define the maximum amount of resources that a pod should consume. When a pod exceeds its limit, it will be terminated or throttled by Kubernetes to prevent it from consuming too many resources. This helps to prevent individual pods from monopolizing resources and ensures that resources are shared fairly among all pods.
Setting resource requests and limits for your pods can help to make the most of Kubernetes by:
Securing Your Kubernetes Clusters
Kubernetes offers a variety of security options to help protect your cluster and the workloads running on it. Some of the main security features in Kubernetes include:
These are some of the main security options that Kubernetes provides. By using these options, you can improve the security of your cluster and the workloads running on it. However, it's important to note that security is a continuous process, and you should stay up-to-date with the latest security best practices and vulnerabilities.
In conclusion, Kubernetes provides a wide range of features that can be used to make more of your organization's infrastructure. By using Kubernetes' built-in scalability features, setting resource requests and limits, using a service mesh, and securing your cluster, you can improve the reliability, performance, and security of your applications.
Additionally, by using tools such as the Kubernetes Dashboard and AWS Graviton processors, you can easily manage and monitor your resources, reducing costs and increasing efficiency. Overall, Kubernetes is a powerful tool that can help organizations to manage and scale their infrastructure more effectively.
Author Bio: Gilad David Maayan
Gilad David Maayan is a technology writer who has worked with over 150 technology companies including SAP, Imperva, Samsung NEXT, NetApp and Check Point, producing technical and thought leadership content that elucidates technical solutions for developers and IT leadership. Today he heads Agile SEO, the leading marketing agency in the technology industry.
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