Data Governance, Quality, and Observability in Production
Chapter 1: Foundations of Data Governance Code
Defining Governance in Engineering Terms
Data Classification and Tagging Strategies
Role-Based Access Control Models
Policy-as-Code Architectures
Practice: Implementing Access Policies
Chapter 2: Data Quality Dimensions and Testing
Core Dimensions of Data Quality
Anatomy of a Data Assertion
Validating Schemas and Types
Statistical Profiling and Distribution Checks
Practice: Writing Data Validation Suites
Chapter 3: Data Observability Systems
The Pillars of Data Observability
Monitoring Freshness and Latency
Volume and Row Count Anomalies
Schema Drift Detection
Practice: Building a Freshness Monitor
Chapter 4: Data Lineage and Metadata Management
Static vs Dynamic Lineage
The OpenLineage Standard
Dependency Graph Construction
Impact Analysis Techniques
Practice: Extracting Lineage from Logs
Chapter 5: Automated Reliability in CI Pipelines
Pre-commit Hooks for Data Code
Implementing Quality Gates
Circuit Breakers in Pipelines
Alerting and Incident Management
Practice: Configuring a CI Data Test
Static vs Dynamic Lineage
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- OpenLineage Specification, OpenLineage Community, 2023 (LF AI & Data Foundation) - Provides the standard for collecting and exchanging data lineage metadata during job execution, a key aspect of dynamic lineage.
- A Comprehensive Survey of Data Lineage Techniques and Systems, Jingya Chen, Yuanlong Li, Yunjun Gao, Xiaoling Wang, 2021 ACM Computing Surveys, Vol. 54 (Association for Computing Machinery (ACM)) DOI: 10.1145/3474775 - Presents an extensive overview of data lineage methodologies, including in-depth comparisons of static, dynamic, and hybrid approaches, directly supporting the section's comparative analysis.
- Data Governance: A Guide for Effective Data Stewardship, Laura Sebastian-Coleman, 2018 (Technics Publications) - A practical guide to data governance that contextualizes data lineage as a component for managing data assets, offering a broader organizational perspective on its implementation.
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