Kubernetes Logging: What You Need to Know

Kubernetes Logging: What You Need to Know

kubernetes logging

Kubernetes from Google is one of the most popular open-source and free container management solutions made to make managing and deploying applications easier. It has a solid architecture that makes it simple to scale and distribute software. In today’s article, let’s explore what you need to know about logging in Kubernetes.

Kubernetes Logging: An Introduction

Kubernetes offers the abstraction required to effectively manage massively scalable containerized workloads. It supports declarative settings, which also offer sophisticated deployment techniques. You can also use Kubernetes to control the lifetime of many containers.

Multiple clusters with nodes housing hundreds or thousands of containers are typically used when installing Kubernetes in a production environment. These containers are continuously deleted and spun up in response to Kubernetes workload requirements.

It’s crucial to use Kubernetes monitoring proactively to debug faults as soon as they occur when managing containerized apps on a big scale. These issues can be found throughout the program, including on nodes, clusters, and containers. Tools and strategies for Kubernetes logging aid in providing visibility into these components. You can trace faults in these logs and optimize application performance.

Kubernetes Logging Benefits

Kubernetes logging has a lot of advantages, including the following:

Debugging and Troubleshooting

Using the logs, security personnel may swiftly locate and address instances involving illegal access and data breaches. They assist you in data analysis and root-cause analysis of your issues. You can see a preview of what is happening in the application by looking at the logs. And as a result, you can quickly troubleshoot by keeping an eye on and examining the logs of different actions occurring within your infrastructure and application.

Follow regulations

You may simply satisfy the numerous compliance requirements of laws like HIPAA, PCI DSS, and GDPR with Kubernetes logs. Plus, you can offer proof of your efforts to keep a compliant atmosphere.

Increase Performance

You can locate bottlenecks and deal with issues that affect the performance of your applications and systems by reviewing logs. You can implement fixes and boost the effectiveness of your operations using this process.

Kubernetes Logging Types

Logging with Kubernetes divides into two categories: cluster-level and node-level.

At-Node Logging

This includes all worker node logs, such as logs from individual pods and pod containers. The logs are kept in /var/log/containerid and transmitted as stderr or stdout streams. The kubelet will make these logs available via the API server, where you can retrieve the logs using the command-line tool. Additionally, you may utilize kubelet to apply log rotation to establish a restriction on the size and quantity of the log files to stop them from taking up much space.

Cluster-Level Logging

The scheduler, controller, and API server logs are examples of cluster-level logs. Although Kubernetes doesn’t have innate cluster logging features, there are workarounds available. A node-level proxy set up as a DaemonSet or side-car patterns are examples of these techniques. By setting up a subordinate container including a logging agent, you may use the side-car pattern to collect and send logs to a central logging system.


Kubernetes logging is a critical component of any Kubernetes deployment. By understanding the different types of logging and how to collect and analyze logs, you can better troubleshoot issues and optimize the performance of your applications.

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kubernetes logging

Kubernetes Logging: What You Need to Know

Kubernetes from Google is one of the most popular open-source and free container management solutions made to make managing and deploying applications easier. It has a solid architecture that makes