Mastering Spring Reactive Programming for High Performance Web Apps Revolutionize Your Asynchronous Application Development in Spring with Reactive Programming Principles Spring WebFlux and Reactor 1st Edition by Shubham Srivastava ISBN 9348107720 9789348107725 by Shubham Srivastava instant download after payment.

Mastering Spring Reactive Programming for High Performance Web Apps Revolutionize Your Asynchronous Application Development in Spring with Reactive Programming Principles Spring WebFlux and Reactor 1st Edition by Shubham Srivastava - Ebook PDF Instant Download/Delivery: 9348107720, 9789348107725
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ISBN 10: 9348107720 
ISBN 13: 9789348107725
Author: Shubham Srivastava

Master Reactive Programming: Build Solutions with Reactive Spring Key Features ● Step-by-step approach to mastering Reactor and Spring WebFlux. ● Practical projects to apply and reinforce reactive programming skills. ● Real-world solutions for building scalable and efficient reactive systems. Book Description Mastering Spring Reactive Programming for High Performance Web Apps is a comprehensive guide designed for developers looking to master reactive programming with Spring WebFlux and Reactor. Whether you're a beginner seeking to understand the fundamentals or an experienced developer aiming to enhance your asynchronous programming skills, this book delivers a clear, step-by-step approach to take you from basic concepts to advanced real-world applications. Focused on practical, real-world implementations, the book teaches you how to build, optimize, and maintain efficient reactive systems. It guides you through creating scalable, event-driven applications, handling complex asynchronous tasks, and managing distributed systems using WebFlux libraries and the Reactor framework. By addressing real-world challenges, this book equips readers to improve system performance and resource management, ensuring applications are built for high scalability and resilience. Beyond technical knowledge, the book imparts industry-best practices, offering expert tips to help you avoid common pitfalls and apply reactive programming principles effectively. By the end of this journey, you’ll not only understand the power of reactive architectures but also be ready to apply these skills to build scalable, resilient solutions that solve real-world problems, making you a valuable asset in the competitive software development landscape. What you will learn ● Understand the core principles of reactive programming with Spring. ● Master the Reactor framework for building reactive applications. ● Utilize Spring WebFlux for asynchronous programming and enhanced performance. ● Develop reactive web applications with WebClient and reactive repositories. ● Implement messaging systems with reactive streams for real-time communication. ● Apply testing, debugging, and monitoring techniques for reactive applications in production. Table of Contents 1. Introduction to Spring Framework 2. Fundamentals of Reactor Framework 3. Reactive Streams and Implementations 4. Asynchronous Programming Using Spring WebFlux 5. Developing Reactive Web Applications Using WebClient 6. Reactive Repositories 7. Messaging Using Reactive Streams 8. Spring Cloud and Reactive Framework 9. Testing and Debugging 10. Release and Monitoring 11. Hands-On Exercises 12. Interview Questions Index About the Author Shubham Srivastava holds a Bachelor of Technology (B.Tech.) in Electronics and Communication Engineering from M.M.M. Engineering College, where he also served as Vice-President of the Electronics and Communication Engineering Society. With over 10 years of experience in software development and architecture, Shubham has deep expertise in AWS, Spring Boot, and Java, including advanced use of Streams, Reactive Streams (Spring WebFlux), and NoSQL databases like MongoDB and Couchbase. Shubham has worked across multiple business domains, including retail, automotive, education, travel, and fintech, contributing his skills in building microservices architectures, CQRS, Event Sourcing, and implementing full-text search and auto-complete features. He has hands-on experience with Kafka, JWT authentication, Redis caching, and test automation using Selenium and Cucumber.

Mastering Spring Reactive Programming for High Performance Web Apps Revolutionize Your Asynchronous Application Development in Spring with Reactive Programming Principles Spring WebFlux and Reactor 1st Table of contents:

1. Introduction to Spring Framework
Introduction
Structure
Introduction to Spring Framework
Spring Beans
Inversion of Control (IoC) in Spring
Dependency Injection
Modules in Spring Framework
Core Container
Data Access/Integration
Web
AOP and Instrumentation
Test
Spring Boot
Features and Comparison Between Spring Framework and Spring Boot
Features of Spring Framework 6
Upgraded Baseline Java Version to Java 17
Changed the Namespace from Java EE to Jakarta EE
AOT (Ahead-Of-Time): Build-time pre-processing of bean definitions
GraalVM Native Executables
Changes in Core Container
Web Applications
Data Access and Transactions
Servlet Mocks Require Servlet 6.0 now
Spring Boot 3.0
Sample Project in Spring 6
Reactive Spring
Introducing Reactive Programming
Reactive in Java
Benefits of Reactive Programming
Introduction to Spring Webflux
Features of Spring WebFlux
Router Functions
WebClient
Reactive Steam API
Servers
Concurrency Model
Spring WebFlux Security
Hello World Example in Spring Webflux
Comparison Points Between Spring WebFlux and Spring MVC
Conclusion
Referenced Articles
Questions
2. Fundamentals of Reactor Framework
Introduction
Structure
Introduction to RxJava
Reactor Framework
RxJava vs. Reactor
Versions of Project Reactor
Components in Reactor Core
Overview of Reactive Streams Specification
Reactive Reference Implementation
Components in Reactor Test
Components in Reactor Netty
Components in Reactor Kafka
Highlights of Reactor Kafka
BackPressure in Project Reactor
Backpressure Example Using Flux
Request Only n Elements
Cancel the Subscription After n Elements
Advanced Features and Concepts in Project Reactor
Mutualizing Operator Usage
Hot vs. Cold
Conclusion
Points to Remember
Questions
3. Reactive Streams and Implementations
Introduction
Structure
Introduction to Reactive Streams
Implementing Reactive Streams in Java
Example Implementation
Key Concepts of Reactive Streams
Understanding Mono and Flux
Mono
Flux
Lazy and Eager Loading
Lazy Loading
Eager Loading
Operations on Streams
Common Operations
Examples of Operations
Operations in Detail
Subscription and Backpressure
Subscription Lifecycle
Backpressure
Examples of Backpressure
Conclusion
Points to Remember
Questions
4. Asynchronous Programming Using Spring WebFlux
Introduction
Structure
Introduction to Asynchronous Programming
Pros and Cons of Asynchronous Programming
Use cases of asynchronous programming
Web Development
Real-Time Systems
File I/O Operations
Database Operations
Parallel Processing
Network Communication
Event-Driven Programming
Concurrency in Multithreaded Environments
Conclusion
Points to Remember
Questions
5. Developing Reactive Web Applications Using WebClient
Introduction
Structure
WebFlux versus MVC
Spring MVC
Key Characteristics
Spring WebFlux
Key Characteristics
WebClient versus RestTemplate
RestTemplate
WebClient
Parallel and Sequential Network Calls
Sequential Network Calls
Parallel Network Calls
Combining Sequential and Parallel Calls
Using Spring Cloud for Distributed Systems
Error Handling in Parallel and Sequential Calls
Techniques to Apply Manual Latency for Testing
Simulating Network Latency for Testing
Using Thread.sleep in Mock Servers
Using Artificial Delay with Mono.delay
Introducing Artificial Latency in WebClient
Using Resilience4j for Timeout and Retry Policies
Improving Latency in Network Calls
Connection Pooling
DNS Caching
Load Balancing
Asynchronous Processing
Caching Responses
Optimizing Request Payloads
Using HTTP/2
Applications of WebFlux in Microservices Architecture
Reactive Microservices
API Gateway
Event-Driven Architectures
High Throughput and Low Latency
Scalability and Resilience
Stream Processing
Conclusion
Points to Remember
Questions
6. Reactive Repositories
Introduction
Structure
Introduction to Reactive Repositories
Implementation of Reactive Repositories
Examples of Reactive Repositories
Examples for R2DBC Operations, Reactive MongoDB, and Couchbase
Reactive Repositories with R2DBC Operations (Database: MySQL, PostgreSQL, and others)
Reactive Repositories with Reactive MongoDB
Behind-the-Scenes Concepts
Explanation: ReactiveMongoTemplate Interaction
Observable Interface in Reactive Repository
The CAP Theorem
Applying CAP Theorem in Reactive Repositories
Concurrency Control in Reactive Repositories
Optimistic Locking
Pessimistic Locking
Conclusion
Points to Remember
Questions
7. Messaging Using Reactive Streams
Introduction
Structure
Introduction to Messaging Using Streams
Pub-Sub Model
Messaging Channels
Examples of Messaging Channels
Point-to-Point Channel
Publish-Subscribe Channel
Introduction to Kafka
Kafka Implementation
Kafka Consumer Service
WebFlux Controller
Pros and Cons of Asynchronous Messaging
Transaction Management in Distributed Systems
Example Using Two-Phase Commit (2PC)
Challenges in Transaction Management Using Asynchronous Messaging
Lack of Atomicity
Ensuring Consistency
Handling Compensations
Message Delivery Guarantees
Debugging and Monitoring
Data Consistency Problem
Example Using Eventual Consistency
Saga Pattern
Retry Pattern
Request-Reply Pattern
Few Other Architectural Patterns
Circuit Breaker Pattern
Bulkhead Pattern
Conclusion
Points to Remember
Questions
8. Spring Cloud and Reactive Framework
Introduction
Structure
Introduction to Spring Cloud
Key Libraries of Spring Cloud
Spring Cloud Config
Spring Cloud Netflix
Spring Cloud Gateway
Spring Cloud Stream
Spring Cloud Gateway
Example of Spring Cloud Gateway Implementation
Custom Filters in Spring Cloud Gateway
Creating a Custom Filter
Advanced Rate Limiting Strategies in Spring Cloud Gateway
Implementing a Custom Rate Limiter
Handling Errors and Fallback Mechanisms in Cloud Gateway
Custom Error Handling
Spring Cloud Contracts
Use Cases of Spring Cloud Contracts
Ensuring Compatibility Between Services
Test-Driven Development (TDD)
Integration Testing
Documentation and Collaboration
Stub Generation
Producer-Driven Contracts in Spring WebFlux
Consumer-Driven Contracts
Producer and Consumer Testing
Spring Cloud Stream in Spring WebFlux
Conclusion
Points to Remember
Questions
9. Testing and Debugging
Introduction
Structure
Problems in Reactive Implementations
Development Challenges
Complex Error Handling
Understanding Backpressure
Steep Learning Curve
Debugging Challenges
Non-Blocking Nature
Scattered Execution Context
Limited Stack Traces
Strategies to Mitigate Development and Debugging Challenges
Enhanced Logging
Using `checkpoint` Operator
Leveraging IDE Debugging Tools
StepVerifier for Testing
Debugging in IDE
Breakpoints
Reactive Streams Support
Inspection Tools
JUnit Testing Using StepVerifier
Profiling the Reactive Application
Checking Memory Leaks in Reactive Code
Steps to Detect Memory Leaks
Setup VisualVM
Using Eclipse MAT
Performance Testing of Reactive Applications
Key Steps in Performance Testing
Load Testing of a Microservice
Key Steps in Load Testing
Examples Using JMeter and Gatling
Performance Tuning of Reactive Applications
Thread Pool Configuration
Optimizing Operators
Backpressure Handling
Tools and Utilities for Reactive Applications
Reactor Debug Agent
BlockHound
Reactive Extensions for Java (RxJava)
Best Practices to Follow
Understand and Manage Backpressure
Use Scheduler Appropriately
Handle Errors Gracefully
Avoid Blocking Calls
Optimize the Pipeline
Use `StepVerifier` for Testing
Use `checkpoint` for Debugging
Ensure Resource Management
Avoid Context Switches
Documentation and Readability
Conclusion
Points to Remember
Questions
10. Release and Monitoring
Introduction
Structure
Reactive Applications
Packaging a Reactive Application
Releasing the Reactive Application: Old Way
Releasing the Reactive Application on Cloud
Example of a Cloud Deployment Configuration
Release Checklist for Reactive Applications
Monitoring the Reactive Application
Grafana Dashboard
Actuators API
Micrometer Library
Monitoring Using Grafana Metrics
Other Tools and Utilities
Elastic Stack (ELK)
Zipkin
New Relic
Conclusion
Points to Remember
Questions
11. Hands-On Exercises
Introduction
Structure
Creating a Skeleton Reactor Project
Step-by-Step Guide
E2E CRUD Operations in Spring WebFlux
Step-by-Step Guide
Reactive Scheduler
Immediate Scheduler
Single Scheduler
Elastic Scheduler
Parallel Scheduler
Bounded Elastic Scheduler
Message Streams Processing
Setting Up the Project
Reactive Batch Processing
Setting Up the Project
Lock Implementation in Reactive Couchbase
Optimistic Locking
Pessimistic Locking
Reactive File Processing and Search Engine
Project Setup
Running and Testing the Application
Cross-Cutting Concerns in a Reactive Application
Logging with Reactor Context
Logging Configuration
Reactor Context Logging Example
Security with Spring Security Reactive
Metrics with Micrometer and Prometheus
Global Exception Handling
Project Suggestions
Reactive RESTful API for Cryptocurrency Trading
Reactive Chat Application with WebSockets
Reactive Microservices for an E-commerce Platform
Reactive IoT Data Processing Platform
Reactive Social Media Platform
Reactive Workflow Automation Platform
Conclusion
12. Interview Questions
Introduction
Structure
Spring WebFlux Basics
Coding Questions
Messaging in WebFlux
Reactive Repositories and Locks
Testing Reactive Applications
Debugging Reactive Applications
Release and Monitoring of Reactive Applications
Best Practices and Advanced Topics
Scenario-Based Questions
Conclusion
Index

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Tags: Shubham Srivastava, Mastering, Programming