eBook
How AI and automation can optimize Kubernetes for cost, performance, and productivity
The rapid adoption of cloud native architectures is key for organizations that want to remain competitive in today’s world. The promise of speed, agility, scalability, and a better user experience are persuading more and more organizations to adopt Kubernetes and containers to underpin cloud native architectures.
Unfortunately, when the reality of Kubernetes sets in, organizations can find themselves challenged to realize the potential benefits. Kubernetes is complex and skills are in short supply, exacerbated by the COVID pandemic and increasing demand for digital transformation. And, even when you get the right people and skills in place, the job is not yet done – getting started with Kubernetes is just the beginning. Scaling up from Day 1 (deployment) to Day 2 (management, monitoring, and maintenance) can trip up even the best team and impact the business value you derive from your Kubernetes investments.
Why? Because while moving out of Day 1 operations can be exciting, Day 2 operations will determine the ultimate success or failure of your initiative.
Typically, when you adopt Kubernetes, you begin by experimenting in pre-production and then scale up in production – Day 2. At that point, it’s showtime! You’re ready to install the environment and scale with real users. But it doesn’t end there, because Day 2 brings a whole new set of challenges: How will you monitor the environment? How will you onboard new internal customers? How will you ensure security? How will you control costs while still ensuring application performance?
As the realities of Day 2 operations set in, many organizations find they are forced to make choices that dramatically affect applications, users, and your business:
For modern organizations, learning as fast as you can about how your business applications operate and behave is vital to accurately forecasting risks that affect business. You can acquire knowledge in one of two ways: Learning through experimentation or observation. In Kubernetes environments, you experiment in non-production by simulating a wide range of scenarios to determine how you can optimize, and you observe in production to make recommendations based upon what you see.
While in pre-production you decide what scenarios you’re planning for, in production there are things you can’t plan for because you don’t know exactly what’s going to happen. Too often, discovering what went wrong is an exercise in itself, involving cross-functional teams and taking significant time until you realize that your best people are spending more time troubleshooting than they are developing and innovating to move the business forward.
This is where automation and AI can make things easier by helping you manage Day 2 operations.
Read about these examples of day 2 challenges and many more at https://k8s.af/.
Although you need to acquire knowledge and information fast, you don’t know how applications are going to operate in production. This results in teams typically beginning by deploying the first few apps and learning from there. But each application is different, and you need to iterate as many times as possible to optimize – doing this manually at scale is not viable or operationally efficient.
By leveraging machine learning, organizations can improve operational efficiency, performance, and cost. While observability tools collect massive amounts of data, we need to be able to move from observability to actionability. That means you need to be able to interpret the data and determine what it means and how it informs what your team will do as a result. AI enables you to automate with machine learning that can look at your environment, the variables, and data – at scale – and then make recommendations or provide insights that allow you to make intelligent business decisions.
Automation isn’t about eliminating jobs or roles, but rather about relieving resources from time consuming, task-oriented activities and enabling them to work on business-driven initiatives that are more strategic (and, ultimately, rewarding).
Source: D2iQ, Kubernetes in the Enterprise: Uncovering Challenges & Opportunities, 2020
You can leverage ML and automation in both pre-production and production to ensure that applications run well and meet, or exceed, performance SLOs and SLAs with minimal effort and cost. You can do this with an approach that allows you to experiment in pre-production to understand app behavior before deployment and make adjustments in production based upon data that provides insights for action.
Pre-production, where learning is experimental, is ideal for performing deep analysis and scenario planning. The trade-off to pre-production experimentation is that it requires teams to spend time creating load tests with various scenarios. The benefit from this up-front investment in load test creation is that Automation and ML can do the heavy lifting when applied to pre-production environments, giving you the ability to benefit from insights, build confidence in how your application will behave in different scenarios, and eliminate the time and resources that would be dedicated to pre-production optimization.
Production, where observation is used to isolate variables that can impact optimization, is an opportunity to leverage the large amount of observability data that is already being generated by existing tools to show how applications are running. With ML, and the intelligence it introduces to your environment, that data can be efficiently analyzed over time to make informed decisions about how to change the configuration of apps in real time. By improving how apps run, and optimizing trade-offs, ML helps to improve performance and cost while ensuring that you are not overpaying for the value you are getting from the application. Automation can also make app optimization in production easier and faster by finding insights with little to no effort and taking action based upon those insights. You have the option to fully automate the process or include approval steps based upon the criticality of the application and the level of confidence in the machine learning.
When we talk about optimization – whether in pre-production or production – it isn’t about one approach being better than another. Where in the process you optimize depends upon your Kubernetes journey. That’s why StormForge addresses Kubernetes application testing and optimization both in the development cycle and during production. StormForge informs, optimizes and operates throughout the entire cloud-native development cycle for developers and operations managers who require an intelligent and comprehensive platform that maximizes their returns on Kubernetes investments to realize the promise of Kubernetes and cloud native.
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