This article explains how to run Claude Code on Ollama and use local or cloud models served by Ollama to create Java apps. Read this article if you are experimenting…
Create Apps with Claude Code on Ollama
Piotr's TechBlog
Java, Spring, Kotlin, microservices, Kubernetes, containers
Category: Performance
Startup CPU Boost in Kubernetes with In-Place Pod Resize
This article explains how to use the In-Place Pod Resize feature in Kubernetes, combined with Kube Startup CPU Boost, to speed up Java application startup. The In-Place Update of Pod…
Running Tekton Pipelines on Kubernetes at Scale
In this article, you will learn how to configure and run CI pipelines on Kubernetes at scale with Tekton. Tekton is a Kubernetes-native solution for building CI/CD pipelines. It provides…
Java Flight Recorder on Kubernetes
In this article, you will learn how to continuously monitor apps on Kubernetes with Java Flight Recorder and Cryostat. Java Flight Recorder (JFR) is a tool for collecting diagnostic and…
Testing Java Apps on Kubernetes with Testkube
In this article, you will learn how to test Java apps on Kubernetes with Testkube automatically. We will build the tests for the typical Spring REST-based app. In the first…
Speed Up Java Startup on Kubernetes with CRaC
In this article, you will learn how to leverage CRaC to reduce Java startup time and configure it for the app running on Kubernetes. The OpenJDK Coordinated Restore at Checkpoint…
Resize CPU Limit To Speed Up Java Startup on Kubernetes
In this article, you will learn how to solve problems with the slow startup of Java apps on Kubernetes related to the CPU limit. We will use a new Kubernetes…
Logging in Kubernetes with Loki
In this article, you will learn how to install, configure and use Loki to collect logs from apps running on Kubernetes. Together with Loki, we will use the Promtail agent…
Which JDK to Choose on Kubernetes
In this article, we will make a performance comparison between several most popular JDK implementations for the app running on Kubernetes. This post also answers some questions and concerns about…
Native Java with GraalVM and Virtual Threads on Kubernetes
In this article, you will learn how to use virtual threads, build a native image with GraalVM and run such the Java app on Kubernetes. Currently, the native compilation (GraalVM)…
New Book Published
My latest book Hands-On Java with Kubernetes is now available on Leanpub!
