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How Kubernetes Node Affinity Works (And Why It Matters for K8s Cost Control)
Think about how airlines assign seats on a plane. Some have extra legroom. Some sit near exits. Some are cheaper, while others cost a premium. Certain passengers also have strict requirements, like families traveling together or travelers who paid for a specific class. Now imagine boarding everyone randomly. A passenger who paid for extra legroom (perhaps for health reasons) ends up squeezed into a middle seat. Families scatter across the cabin. Premium seats sit half empty while the back rows overflow.
The evolution of Kubernetes mTLS: from manual logic to Ambient Mesh
Manual mTLS vs. Service Mesh: Which is right for your Kubernetes cluster? Explore the operational risks of manual setups and the benefits of node-based encryption.
Chaos Engineering strengthens your team
Reliability testing not only strengthens your system, it also strengthens your team.
Chaos Engineering Training: Network Experiments
Learn how to test your application's resilience to network issues with Harness Chaos Engineering. This tutorial covers essential network chaos experiments. Discover how to simulate real-world network conditions to identify weaknesses and validate your system's behavior under degraded connectivity.
Chaos Engineering Training: Zonal, Regional Failures and SSL/TLS Certificates Expiration
Learn how to test your system's resilience against critical infrastructure failures. This tutorial demonstrates how to simulate zonal and regional outages to validate your high availability setup, plus how to test SSL/TLS certificate expiration scenarios. Essential for ensuring your applications can handle real-world failure conditions and maintain uptime during certificate-related issues.
Chaos Engineering Training: Chaos Hub, Experiment Templates, Import as Local Copy and Reference
Learn how to leverage Chaos Hub in Harness Chaos Engineering to accelerate your resilience testing. This tutorial covers browsing the Chaos Hub for pre-built experiments, understanding experiment templates, and two key workflows: importing experiments as local copies for customization or referencing them directly from the hub. Perfect for teams looking to quickly implement chaos experiments without building from scratch.
C# Equivalent of the TINYINT Data Type in SQL
TINYINT is one of the simplest numeric data types you can ever work with in SQL databases. It stores small numeric values, saves space, and is commonly used for flags, statuses, and boolean-like fields. But the moment you bring C# into the picture, things get intriguing. There is no TINYINT keyword in C#, and no one-to-one mapping you can use. Instead, you are left asking an important question: What is the correct C# equivalent of the TINYINT data type in SQL?
Simplify Feature Flag Management with Harness FME and OpenFeature
Harness FME continues its investment in OpenFeature, building on our early support and adoption of the CNCF standard since 2022. Evaluate flags consistently across languages and environments, and integrate them seamlessly into your applications without modifying your code. Feature flags are table stakes for modern software development. They allow teams to ship features safely, test new functionality, and iterate quickly, all without re-deploying their applications.
Automating LLM application deployment with BentoML and CircleCI
Shipping application code, especially for LLM-based applications, can be a stressful and complex task. These applications demand intricate model management, careful resource allocation, and manual handling of dependency conflicts. Traditionally, preparing such applications for deployment involves integration tests, containerization, and updating image registries: all time-consuming manual steps. This is where an automated CI pipeline becomes invaluable.