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 Terms that are most commonly used in any microservices architecture Don't worry after watching so many new terms as below : Saga Pattern Bounded context Eventual consistency Event Command Execution  Event broker CDC (change data capture) event managment Domain driven design Event driven design CQRS (Command query responsibility segregation) Rollback operation  Asynchronous Callback operation Fault tolerance :Bulk Head & Circuit breaker Open API configurations Centralized logging ELK Stats aggregation Aggregates in Domain Driven Design FAT Domain VS Anemic Domain Ubiquitous Language  Event sourcing Event replay Scatter-Gather Pattern Saga Pattern:      A pattern which is the heart soul of any microservice architecture ,it is used to manage data consistency across multiple microservices in distributed transaction .It performs a sequence of local transactions which perform updation operation in services & publish a message or trigger the event. There are below three type of t

What is this Orchestration : Orchestration is the traditional way of handling interactions between different services in Service-Oriented Architecture (SOA). With orchestration process, there is typically one controller that acts as the “orchestrator” of the overall service interactions. This typically follows a request/response type pattern. For example, if three services needed to be called in a particular order, the orchestrator makes a call to each one, waiting for a response before calling the next. 

To implement Singleton pattern, we have different approaches : 1.Eager initialization: In this method the instance of clss is created at loading time .As whenever in java there is a requirement of species at loading time we first remember of Static keyword. package com.questprogram.singleton; public class EagerInitializedSingleton { private static final EagerInitializedSingleton instance = new EagerInitializedSingleton(); //private constructor to avoid client applications to use constructor private EagerInitializedSingleton(){} public static EagerInitializedSingleton getInstance(){ return instance; } } 2. Static block initialization Static Block initialization implementation is similar to eager initialization, except that instance of class is created in the static block that provides option for exception handling. package com.questprogram.singleton; public class StaticBlockSingleton { private static StaticBlockSingleton in