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Spring Boot and Database initialization

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Spring boot is hands down a great framework, saving the developer a lot of time and energy when developing a spring application. One of its great features is database initialization. You can use spring boot in order to initialize your sql database. We will start with the gradle file group 'com.gkatzioura' version '1.0-SNAPSHOT' apply plugin: 'java' sourceCompatibility = 1.5 buildscript { repositories ...

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Async systems with sync clients

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As the Reactive Manifesto says Reactive systems are: Responsive, Resilient, Elastic and Message Driven. The last principle often goes together with non-blocking async protocols. This style of communication “allows recipients to only consume resources while active, leading to less system overhead”. This fits perfectly with new demands of efficiency derived from the elastic model of cloud providers. However not every ...

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Limitations of a Monolithic application and need for adapting Micro services Architecture

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If you get hold of any earlier software architectures, you will see that they have always been built in a Monolithic way.                 1. So what is this Monolithic architecture all about? According to Wikipedia, Monolithic definition goes as below: In software engineering, a monolithic application describes a single-tiered software application in which the user interface and data access code ...

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CLDB Monitoring Using JMX as a Modern Alternative to Ganglia

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There are many options for monitoring the performance and health of a MapR cluster. In this post, I will present the lesser-known method for monitoring the CLDB using the Java Management Extensions (JMX). According to one of the most highly regarded MapR Data Engineers, Akihiko Kusanagi, using JMX to get CLDB metrics can be seen as a more modern and ...

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The Top 10 Advanced Java Talks You Should See to Stay Relevant

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One of the main resources for learning about new things in software development, is online talks and videos. You can find Java experts sharing their experience with you, without getting off the couch. In the following post we’ve gathered 10 of our favorite speakers and topics that we believe every Java developer should watch. Get the popcorn, sit back and ...

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What you missed at OpenStack Summit 2016

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This year I attended OpenStack Summit in Austin, Texas from Apr 25th – 29th for the first time. As it wraps up today and I am heading home, I wanted to look back and share what you missed from my perspective. As an application developer focused technology evangelist is has been a lot of fun shifting into the infrastructure, container, ...

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Agile Economics: Delusions of Grandeur

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Everyone is talking about scaling agile. Certifications for SAFe, LeSS and others seem to be the order of the day. But it?s not all about certifications, right? Let?s explore where the need to scale come from, and the problems we have at scaling. No certification needed. Why Scale? Where is the need to scale comes from? It comes from big ...

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Setup Docker on Windows Server 2016

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This multi-part blog series will show how to configure, build, and run Docker containers on Windows. The first part showed how to setup Windows Server 2016 on Virtual Box for Docker Containers. This part will install the operating system images and configure Docker. Instructions are available at  msdn.microsoft.com/virtualization/windowscontainers/deployment/deployment. Install Windows Server 2016 Container Feature Start PowerShell: Install the container feature: ...

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Laziness at extreme: developing JAX-RS services with Spring Boot

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I think it would be fair to state that we, as software developers, are always looking for the ways to write less code which does more stuff, automagically or not. With this regards, Spring Boot project, proud member of the Spring portfolio, disrupted the traditional approaches, dramatically speeding up and simplifying Spring-based applications development. There is a lot to be ...

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