Learning
Zero-Cost Service Availability Monitoring with Upptime
· ☕ 3 min read
1. What Needs Dial Testing GPT was all the rage this year, and I deployed and developed several applications and mini programs to learn from. Of course, following the principle of helping vendors test their features, right now only the GPT 3.5 API costs a little every day — the

How to Set HPA for Kubernetes Applications and the Related Parameters
· ☕ 10 min read
1. Business Background Once an enterprise reaches a certain scale, relying entirely on public cloud infrastructure makes IT costs very high. The cost of purchasing physical machines can be amortized over the next 3 to 5 years, and afterwards the machines are not scrapped; instead they continue to serve beyond their planned lifespan.

Autoscaling Kubernetes Applications with KEDA
· ☕ 7 min read
1. HPA VS KEDA HPA also provides: Elasticity based on custom metrics Scale to Zero Compared with KEDA, these are no longer disadvantages. The real difference is that HPA can only scale using monitoring data, whereas KEDA can scale using many more data sources — queue messages, databases, Redis, and so on, including monitoring data as well.

Tekton Optimization: A Custom Cluster Scheduler
· ☕ 11 min read
1. A Constrained Build Environment Cannot Meet Build Requirements Tekton is a CICD engine based on a Kubernetes cluster, and it is more cloud-native than Jenkins. In plain terms, that means it is easier to develop plugins for, easier to scale, easier to observe, and more fun. Because code can only be stored on the company intranet, the build cluster can only be deployed on the office intranet.

Developing an Istio WasmPlugin with TinyGo
· ☕ 3 min read
wasme only supports up to Istio 1.9, while I am using Istio 1.14, so this post goes straight to tinygo for verification and learning. 1. Installing tinygo Requirements Go v1.18+ Install tinygo 1 2 brew tap tinygo-org/tools brew install tinygo Check the version 1 2 3 tinygo version tinygo version 0.