The Dremio Blog

The Apache Polaris roadmap lays out an ambitious vision for the project, balancing core functionality, governance, security, and interoperability while staying true to its open-source roots. As Polaris evolves, its flexibility, community-driven approach, and commitment to quality will ensure it meets the growing demands of modern data ecosystems.

Helm is an essential tool for Kubernetes administrators and DevOps teams looking to optimize deployment workflows. Whether you are deploying simple microservices or complex cloud-native applications, Helm provides the flexibility, automation, and reliability needed to scale efficiently.

By leveraging modern tools like dbt, Great Expectations, and Dremio, organizations can implement robust governance frameworks that ensure data is accurate, secure, and accessible. These tools empower teams to enforce quality checks, manage sensitive data in compliance with regulations, secure decentralized data at multiple layers, and provide a centralized semantic layer for consistent access. At the heart of governance is transparency and trust, achieved through data lineage, metadata management, and accountability, enabling stakeholders to confidently rely on their data.

A hybrid lakehouse strategy offers the best of both worlds—leveraging the scalability of the cloud and the control of on-premises infrastructures. By addressing the limitations of cloud-only solutions, hybrid lakehouses enable organizations to optimize costs, enhance performance, and ensure robust governance.

Modern organizations face a common challenge: efficiently analyzing massive datasets stored in data lakes while maintaining performance, cost-effectiveness, and ease of use. The Dremio Architecture Guide provides a comprehensive look at how Dremio's innovative approach solves these challenges through its unified lakehouse platform. Let's explore the key architectural components that make Dremio a transformative solution for modern data analytics.

For enterprises seeking a smarter approach to data management, the Dremio Hybrid Iceberg Lakehouse provides the tools and architecture needed to succeed—offering both cost savings and faster time to insight in today’s rapidly changing business landscape.

By following this guide, you now have a local setup that allows you to experiment with Iceberg tables in a flexible and scalable way. Whether you're looking to build a data lakehouse, manage large analytics datasets, or explore the inner workings of Iceberg, this environment provides a solid foundation for further experimentation.

Catalog versioning with Nessie and code versioning with dbt both serve distinct but complementary purposes. While catalog versioning ensures the integrity and traceability of your data, code versioning ensures the collaborative, flexible development of the SQL code that transforms your data into actionable insights. Using both techniques in tandem provides a robust framework for managing data operations and handling inevitable changes in your data landscape.

Incorporating the Polaris Data Catalog into your Data Lakehouse architecture offers a powerful way to enhance data management, improve performance, and streamline data governance. The combination of Polaris's robust metadata management and Iceberg's scalable, efficient table format makes it an ideal solution for organizations looking to optimize their data lakehouse environments.

The hybrid data lakehouse represents a significant evolution in data architecture. It combines the strengths of cloud and on-premises environments to deliver a versatile, scalable, and efficient solution for modern data management. Throughout this article, we've explored the key features, benefits, and best practices for implementing a hybrid data lakehouse, highlighting Dremio's role as a central component of this architecture.

We'll see that because of Iceberg's metadata, we can efficiently derive table changes, and due to its efficient transaction and tool support, we can process those changes effectively. Although, there are different CDC scenarios so let's cover them.

With the introduction of REST catalog , managing and interacting with Apache Iceberg catalogs has been greatly simplified. This shift from client-side configurations to server-side management offers many benefits, including better security, easier maintenance, and improved scalability.

By embracing both data unification and decentralization, organizations can achieve a harmonious balance that leverages the strengths of each approach. Centralized access ensures consistency, security, and ease of governance, while decentralized management allows for agility, domain-specific optimization, and innovation.

We'll delve into how querying Iceberg metadata tables in Dremio can provide invaluable insights for table auditing, ensuring data integrity and facilitating compliance.

By leveraging Dremio's unified analytics capabilities and Streamlit's simplicity in app development, we can overcome the challenges of data unification.