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Service Discovery with Java and Database application in Kubernetes

This blog will show how a simple Java application can talk to a database using service discovery in Kubernetes. Service Discovery with Java and Database application in DC/OS explains why service discovery is an important aspect for a multi-container application. That blog also explained how this can be done for DC/OS. Let’s see how this can be accomplished in Kubernetes with a single ...

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Modern application design with In-memory data fabrics

In this article, author of the book “High Performance in-memory computing with Apache Ignite”, discussing the design of modern application architecture with Apache Ignite. Part of this article taken from the book. Let’s take a quick look at an architecture of a traditional system. The traditional application architecture uses data stores which have synchronous read-write operations. This is useful for data ...

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Protecting Sensitive Data

If you are building a service that stores sensitive data, your number one concern should be how to protect it. What IS sensitive data? There are some obvious examples, like medical data or bank account data. But would you consider a dating site database as sensitive data? Based on a recent leaks of a big dating site I’d say yes. ...

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[MEGA DEAL] The Complete Linux Mastery Bundle (97% off)

Get to Grips with One of the Top Business Operating Systems On Earth Over These 33 Hours Hey fellow geeks, This week, on our JCG Deals store, we have an extreme offer. We are offering the Complete Linux Mastery Bundle for only $39 instead of the original price of $1,770, yeap that is a massive 97% off. Introduce Yourself to ...

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Run Eclipse IDE on One Version of Java, but Target Another

The Eclipse IDE for Java™ Developers (and the other Java developer variants) is itself a Java application that’s used to build Java applications. That relationship can be a bit weird to wrap your brain around. Written almost entirely in Java, the Eclipse IDE requires a Java Runtime Environment (JRE) to run. A JRE provides just the runtime platform: it doesn’t include the ...

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Service Discovery with Java and Database application in DC/OS

java-interview-questions-answers

This blog will show how a simple Java application can talk to a database using service discovery in DC/OS. Why Service Discovery? An application typically consist of multiple components such as an application server, a database, a web server, caching and messaging server. Typically, multiple replicas of each component would run based upon the needs of your application. Deploying this application using a container orchestration framework means that each replica would run as ...

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Stateful Containers using Portworx and Couchbase

Containers are meant to be ephemeral and so scale pretty well for stateless applications. Stateful containers, such as Couchbase, need to be treated differently. Managing Persistence for Docker Containers provide a great overview of how to manage persistence for stateful containers. This blog will explain how to use Docker Volume Plugins and Portworx to create a stateful container. Why Portworx? Portworx is an easy-to-deploy ...

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The ANTLR mega tutorial

Parsers are powerful tools, and using ANTLR you could write all sort of parsers usable from many different languages. In this complete tutorial we are going to: explain the basis: what a parser is, what it can be used for see how to setup ANTLR to be used from Javascript, Python, Java and C# discuss how to test your parser ...

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Pipeline as code with a Spring Boot application

spring-interview-questions-answers

This is the last in a serie of posts about continuous delivery based on my local Docker compose stack (see the first and second post here). In this post I use a simple Spring Boot project to show how to make use of the ‘pipeline as code‘ concept. Please note that this is only an example and much, much more ...

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