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What are the key differences between Data Mesh and traditional centralized data models on Snowflake?

637 viewsData Lake, Data Mesh, Data Vault
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What are the key differences between Data Mesh and traditional centralized data models on Snowflake?

Daniel Steinhold Answered question July 22, 2023
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1. The key differences between Data Mesh and traditional centralized data models on Snowflake lie in their approaches to data management, data ownership, and collaboration. Here are the main distinctions between the two:
2. **Data Ownership and Domain Focus:**
- Data Mesh: In Data Mesh, data ownership is decentralized, with domain-driven data teams taking responsibility for their data. Each domain team manages its data, including ingestion, storage, and processing.
- Traditional Centralized Data Model: In a traditional centralized data model, a centralized IT team or data engineering team typically manages and controls all aspects of data, including data ingestion, transformation, and storage.
3. **Data Collaboration and Sharing:**
- Data Mesh: Data Mesh emphasizes data collaboration and sharing between domain teams. Data is treated as a product and can be securely shared across the organization through well-defined data sharing protocols.
- Traditional Centralized Data Model: In a centralized data model, data sharing may be limited, and access to data is often controlled by a centralized team, which can lead to data silos.
4. **Data Governance and Autonomy:**
- Data Mesh: In Data Mesh, each domain team has autonomy over their data, including data governance and data quality. Domain teams are responsible for defining access controls and ensuring data compliance within their domains.
- Traditional Centralized Data Model: In a centralized data model, data governance, access controls, and data quality are typically managed by a centralized IT or data governance team.
5. **Self-Service Data Access:**
- Data Mesh: Data Mesh promotes self-service data access for domain experts and data consumers. Domain teams can directly query, analyze, and transform data without heavy reliance on centralized data engineering teams.
- Traditional Centralized Data Model: In a centralized data model, data access and analysis may require data consumers to request data from the centralized team or rely on pre-built reports and dashboards.
6. **Flexibility and Agility:**
- Data Mesh: Data Mesh enables greater flexibility and agility in data management. Domain teams can adopt new data sources, update schemas, and implement changes without significant dependencies on centralized teams.
- Traditional Centralized Data Model: In a centralized data model, changes to data pipelines, schemas, or processes may require coordination with the centralized data engineering team, potentially leading to longer development cycles.
7. **Performance and Scalability:**
- Data Mesh: Each domain team in Data Mesh can scale their data processing independently using Snowflake's virtual warehouses. This ensures that teams can optimize performance and scale based on their specific data workloads.
- Traditional Centralized Data Model: In a centralized data model, data processing scalability may be more challenging to manage since all data processing typically relies on a central data infrastructure.

Overall, Data Mesh on Snowflake embraces a more decentralized and collaborative approach to data management, empowering domain-driven data teams to work autonomously and efficiently with their data. In contrast, traditional centralized data models focus on a centralized team managing data processes and access for the entire organization.

Daniel Steinhold Answered question July 22, 2023
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