Jul 19Guide to KafkaManual ack, Heartbeat, Batch process — How to send messages as batches? When you click “eachBatch” -> “eachBatchHandler”->Kafka3 min read
Jul 19MicroserviceBest Practices — It helps the developers to create good and secure system. Design should be domain driven design Make service independent. Better go with new design. Hard coded values Most of developers use hardcoding (Host name or IP address) when one service(A) invoke another service(B). Now A knows where B is. if…Best Practices2 min read
Jul 19MicroserviceDesign Patterns for Microservices Aggregator pattern Three ways of implementation are there. Parallel (Scatter gather pattern) Chain Pattern Branch Pattern Consider this example, For a company It need to create a system based on microservice. 1. Service to get person’s information. ( employee) 2. Service to get leave information. 3…Design Patterns4 min read
Jul 19MicroserviceWeb application to microservice People think for new architectural view for web applications like Microservices. Let’s see about Web application into microservices. Monolithic applications It has single executable file for your entire application. …Monolithic Applications2 min read
Jul 19MicroserviceDevelop Container-less Application — Micro service architecture, container-less applications are main parts in the industry. As usual create application and deploy in container. But this is different. Create web application and deploy that application on a web server or application-server. In web development web applications use web server and application server. Web server …Containerless1 min read
Jul 19MicroserviceIntroduction to Docker and Container based development — On the first generation we used only the physical hardware servers. they are Application server , Database server , Web server. From the usage of physical hardware servers, we can say some disadvantages.(need …Introduction3 min read
Jul 19KafkaEverything about Kafka with Demo — Usecase 01 Here one consumer maintaing three partitons. If we add one more consumer to make it easy, Here one consumer maintain one partition and another one maintain 2 partitions. Usecase 02Kafka4 min read
Jul 19Distributed ComputingRemote deployment with RMI — Method calls are always between two objects on the same heap. In most applications, when one object calls a method on another, both objects are on the same heap. In other words, both are running within the same JVM. JVM can know about references on only its own heap. a…Rmi4 min read
Jul 19Release Your Codepackage, jars and deployment — Let’s see the local deployments, including Executable Jars and the part-local/part-remote technology called Java Web Start. Local — The entire application runs as a stand-alone on the end-user computer, probably GUI program deployed as an executable JAR. Combination of local and remote — The application is distributed with a client…Package4 min read
Jul 18Data structurescollections and generics — Sort the songs in alphabetical order is the challenge. We mostly know about ArrayList but is not the only collection. TreeSet — Keeps the elements sorted and prevents duplicates. HashMap — Lets you store and access elements as name/value pairs. LinkedList — Makes it easy to create structures like stacks…Collection4 min read
