Saga Pattern Error Handling in Microservices
Master the Saga pattern for robust error handling in microservices, ensuring data consistency and resilience in distributed transactions.
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Microservices and the Saga Pattern: An Introduction
Unit 1: Understanding Microservices Architecture
Microservices Defined
Challenges in Microservices
Data Consistency Issues
Distributed Transactions
Intro to Saga Pattern
Unit 2: The Saga Pattern: Concepts and Implementations
Saga Pattern Explained
Saga Benefits & Drawbacks
Choreography Saga
Orchestration Saga
Choreo vs Orchestration
Choreography-Based Saga: Decentralized Transaction Management
Unit 1: Understanding Choreography Saga
Intro to Choreography Saga
Event-Driven Architecture
Saga Participants
Local Transactions
Saga Completion
Unit 2: Pros and Cons of Choreography
Advantages of Choreography
Disadvantages of Choreography
Complexity Management
Debugging and Troubleshooting
Best Practices
Unit 3: Implementing Choreography Saga
Setting Up Environment
Service Design
Event Definition
Event Publishing
Compensation Transactions
Orchestration-Based Saga: Centralized Transaction Management
Unit 1: Understanding Orchestration-Based Saga
Intro to Orchestration
The Central Orchestrator
Orchestration Advantages
Orchestration Trade-Offs
Orchestration vs Choreography
Unit 2: Implementing Orchestration-Based Saga
Orchestrator Setup
Defining Saga Steps
Service Communication
Transaction Management
Testing and Monitoring
Error Handling Strategies in Saga Patterns
Unit 1: Understanding Saga Error Scenarios
Intro to Saga Failures
Network Partitioning
Service Unavailability
Data Validation Errors
Concurrency Conflicts
Unit 2: Compensating Transactions
Intro to Compensation
Designing Comp. Trans.
Implementing Compensation
State Management
Compensation Patterns
Unit 3: Retry, Idempotency, and Dead Letter Queues
Retry Mechanisms
Idempotency
Dead Letter Queues
Combining Strategies
Advanced Retry
Unit 4: Monitoring and Alerting
Saga Monitoring
Alerting Systems
Log Analysis
Distributed Tracing
Metrics and KPIs
Advanced Saga Concepts, Testing, and Best Practices
Unit 1: Eventual Consistency and Correlation IDs
Eventual Consistency
Correlation IDs Intro
Correlation ID Impl
Handling Missing IDs
Advanced Usage
Unit 2: Distributed Tracing and Debugging
Intro to Distributed Tracing
Tracing Implementation
Analyzing Traces
Debugging Techniques
Advanced Tracing
Unit 3: Testing Strategies for Saga
Unit Testing Sagas
Integration Testing
End-to-End Testing
Contract Testing
Fault Injection
Unit 4: Performance Considerations
Overhead Analysis
Optimization Techniques
Monitoring Performance
Scaling Strategies
Load Testing
Unit 5: Saga Best Practices
Design Principles
Communication Patterns
Idempotency
Error Handling
Security