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Integrating Spring with AWS Kinesis 1. Introduction Kinesis is a tool for collecting, processing, and analyzing data streams in real-time, developed at Amazon. One of its main advantages is that it helps with the development of event-driven applications. In this tutorial, we’ll explore a few libraries that enable our Spring… Continue Reading spring-aws-kinesis
Upload on S3 with the jclouds library Cloud AWS There are several good ways to upload content to an S3 bucket in the Java world – in this article we’ll look at what the jclouds library provides for this purpose. To use jclouds – specifically the APIs discussed in this… Continue Reading upload-on-s3-with-jclouds
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Multipart Upload on S3 with jclouds Cloud AWS 1. Goal In the previous article on S3 uploading, we looked at how we can use the generic Blob APIs from jclouds to upload content to S3. In this article we will use the S3 specific asynchronous API from jclouds to upload… Continue Reading multipart-upload-on-s3-with-jclouds
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Guide to Resilience4j 1. Overview In this tutorial, we’ll talk about the Resilience4j library. The library helps with implementing resilient systems by managing fault tolerance for remote communications. The library is inspired by Hystrix but offers a much more convenient API and a number of other features like Rate Limiter (block too… Continue Reading resilience4j
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Intro to Spinnaker 1. Overview In this tutorial, we’re going to look at Spinnaker, an open-source continuous delivery platform built by Netflix. We can use it to deploy our applications across multiple cloud providers. The system is built on top of Spring Boot and supports many cloud providers. We’ll see… Continue Reading spinnaker
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Deploying a Spring Boot Application to Cloud Foundry 1. Overview Deploying a Spring Boot application to Cloud Foundry is a simple exercise. In this tutorial, we’ll show you how to do it. 2. Spring Cloud Dependencies Since this project will require new dependencies for Spring Cloud project, we’ll add the… Continue Reading spring-boot-app-deploy-to-cloud-foundry
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Introduction to Conflict-Free Replicated Data Types Cloud Data 1. Overview In this article, we’ll look at conflict-free replicated data types (CRDT) and how to work with them in Java. For our examples, we’ll use implementations from the wurmloch-crdt library. When we have a cluster of N replica nodes in a… Continue Reading java-conflict-free-replicated-data-types
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Intro to Google Cloud Storage with Java 1. Overview Google Cloud Storage offers online storage tailored to an individual application’s needs based on location, the frequency of access, and cost. Unlike Amazon Web Services, Google Cloud Storage uses a single API for high, medium, and low-frequency access. Like most cloud… Continue Reading java-google-cloud-storage
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Introduction to Hystrix 1. Overview A typical distributed system consists of many services collaborating together. These services are prone to failure or delayed responses. If a service fails it may impact on other services affecting performance and possibly making other parts of application inaccessible or in the worst case bring… Continue Reading introduction-to-hystrix
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Netflix Archaius with Various Database Configurations Cloud Persistence Spring 1. Overview The Netflix Archaius offers libraries and functionality for connecting to many data sources. In this tutorial, we’ll learn how to get configurations: Using the JDBC API to connect to a database From configurations stored in a DynamoDB instance By… Continue Reading netflix-archaius-database-configurations
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