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September 17, 2021

Tomcat and TomEE Clustering Automation

Apache Tomcat is an open-source application server maintained by the Apache community. It is one of the most popular solutions for hosting Java applications due to its ease of use and lightweight yet versatile functionality. However, if you run the projects based on Jakarta EE 8 (or higher), you may be interested to use the TomEE server with built-in required enterprise technology that isn't found in Tomcat.

Due to the extreme popularity of these stacks globally and within Jelastic PaaS in particular, we've decided to share the tips on how to install automatically clustered Tomcat and TomEE servers to get a highly available solution that can efficiently serve a large number of users, process high traffic, and be reliable.

November 6, 2019

Proper Kubernetes Health Check for a Kafka Streams Application

When you grass your cattle, you typically configure a health check to keep your herd alive. A very common livenessProbe is about doing a GET request to an endpoint, and if the service replies with a two hundred, then we’re fine, otherwise, the pod is destroyed and a new one is brought to live:

livenessProbe:
  httpGet:
    path: /health
    port: http

Build an Advanced RAG App: Query Rewriting
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In the last article, I established the basic architecture for a basic RAG app. In case you missed that, I recommend that you first read that article. That will set the base from which we can improve our RAG system. Also in that last article, I listed s... […]
Contexts in Go: A Comprehensive Guide
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Contexts in Go provide a standard way to pass metadata and control signals between goroutines. They are mainly used to manage task execution time, data passing, and operation cancellation. This article covers different types of contexts in Go and examp... […]
Next-Gen Lie Detector: Stack Selection
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The first lie detector which relied on eye movement appeared in 2014. The Converus team together with Dr. John C. Kircher, Dr. David C. Raskin, and Dr. Anne Cook launched EyeDetect — a brand-new solution to detect deception quickly and accurately. This... […]
Applying the Pareto Principle To Learn a New Programming Language
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In this article, I will discuss how you can apply the Pareto principle to quickly learn a new programming language and start solving real-world problems while you develop a deeper understanding of the programming language. What Is the Pareto Principle?... […]
Enhance IaC Security With Mend Scans
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Whether on the cloud or setting up your AIOps pipeline, automation has simplified the setup, configuration, and installation of your deployment. Infrastructure as Code(IaC) especially plays an important role in setting up the infrastructure. With IaC t... […]