Microservices

5.

Data Management in Microservices

5.1.

Database-per-Service Pattern

5.1.1.

Isolated Data Stores

5.1.2.

Benefits and Drawbacks

5.2.

Challenges of Decentralized Data

5.2.1.

Data Consistency Issues

5.2.2.

Cross-Service Queries

5.3.

Managing Transactions

5.3.1.

Two-Phase Commit

5.3.1.1.

Process Overview

5.3.1.2.

Limitations in Distributed Systems

5.3.2.

5.3.2.1.

Choreography-Based Saga

5.3.2.2.

Orchestration-Based Saga

5.4.

Data Consistency Models

5.4.1.

Strong Consistency

5.4.1.1.

5.4.1.2.

Implementation Challenges

5.4.2.

Eventual Consistency

5.4.2.1.

5.4.2.2.

Implementation Patterns

5.5.

Querying Across Services

5.5.1.

API Composition Pattern

5.5.2.

Command Query Responsibility Segregation

5.5.3.

API Gateway Aggregation

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6. Deployment and Operations