8 minute read · August 22, 2025

The Growing Apache Polaris Ecosystem (The Growing Apache Iceberg Catalog Standard)

Alex Merced

Alex Merced · Head of DevRel, Dremio

The data lakehouse ecosystem is evolving rapidly, and Apache Polaris (Incubating) is emerging as one of its most promising pillars. Built on the open-source Apache Iceberg™ REST protocol, Polaris delivers a centralized, secure, and interoperable catalog for managing Iceberg tables across a wide range of query engines. Out of the gate, it inherits the entire Iceberg REST Catalog ecosystem, giving it instant compatibility with a diverse array of tools that already support the standard.

But Polaris’s significance extends beyond being “just another catalog.” Its design enables organizations to unify table management, enforce consistent governance policies, and streamline credentialed access to cloud storage—all while operating across Amazon S3, Azure, and Google Cloud Storage. With support for both internally managed and externally synchronized catalogs, Polaris can serve as the authoritative source for your Iceberg assets or as a bridge between disparate catalog systems.

This foundation positions Apache Polaris for accelerated adoption—not only through the growing list of compatible open-source tools but also through commercial offerings and vendor integrations that are expanding its reach. In many ways, Polaris is on track to become more than the standard for Iceberg catalogs—it’s poised to be a key control plane for managing lakehouse assets of all kinds.

Strong Foundations: Inheriting the Iceberg REST Catalog Ecosystem

One of the greatest advantages Apache Polaris has is that it doesn’t start from zero. By implementing the Apache Iceberg REST protocol, Polaris instantly becomes compatible with every tool, engine, and platform that already supports this open standard. This means that query engines like Apache Spark, Apache Flink, Dremio, and Snowflake can integrate with Polaris without any custom connectors or proprietary APIs.

This compatibility offers immediate benefits for organizations. Instead of waiting for bespoke integrations or managing one-off connections for each engine, teams can point their existing Iceberg-compatible systems to Polaris and start managing tables right away. It reduces adoption friction, accelerates deployment, and ensures that once a table is registered in Polaris, it can be accessed securely and consistently from any compatible environment.

Inheriting this ecosystem also positions Polaris as a future-proof investment. As more vendors and open-source projects implement the REST Catalog specification, Polaris automatically gains compatibility with those tools. This ensures that the ecosystem can grow organically without requiring major rewrites or disruptive changes, a critical advantage in a rapidly evolving data infrastructure landscape.

Current Commercial Offerings

While Polaris is an open-source project, its growth is being accelerated by enterprise-grade implementations that are already available in the market. These offerings not only prove the viability of Polaris in production environments but also showcase how it can be integrated into broader data platforms.

Dremio’s Enterprise Catalog is one of the first commercial Polaris implementations. Fully integrated into the Dremio platform, it provides an end-to-end experience for managing Iceberg tables with built-in governance, performance acceleration, and interoperability. Because it is part of the larger Dremio Lakehouse Platform, organizations can take advantage of autonomous performance management, data reflections for query acceleration, and seamless access to multiple storage systems, all while relying on Polaris as the core catalog.

Snowflake’s Open Catalog represents another major step for Polaris adoption. Offered as a managed Polaris service, it can be provisioned independently from Snowflake’s primary catalog. This means organizations can use Snowflake to work with Iceberg tables registered in Polaris without being locked into a single vendor’s proprietary catalog. By making Polaris available as a service, Snowflake extends its reach to multi-engine, multi-cloud environments while still benefiting from open standards.

These commercial offerings demonstrate that Polaris is not just a concept—it is already powering real-world, production-grade solutions. They also highlight the value of Polaris as both a standalone open-source technology and a foundational component within larger commercial ecosystems.

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The Horizon: Upcoming Vendor Integrations

Polaris’s early adoption story is only the beginning. A growing number of vendors are actively exploring how to incorporate Polaris into their platforms, signaling a wave of new integrations that will expand its role in the lakehouse ecosystem.

Batch and streaming ingestion vendors are expected to play a major role. By hosting Polaris catalogs directly within their services, these platforms can make it easier for customers to land data into Iceberg tables without needing to stand up a separate catalog. This could streamline onboarding for new Iceberg users and lower the operational overhead for established teams managing large-scale data ingestion pipelines.

Data catalog and marketplace providers are also poised to embed Polaris into their offerings. By doing so, they can add native Iceberg lakehouse functionality alongside their existing metadata management and dataset discovery features. This integration would allow organizations to not only find and govern their datasets but also directly register, query, and manage them through a unified interface.

Even storage vendors are looking at Polaris as a way to bring native lakehouse capabilities to their platforms. By pairing Polaris with object storage, these vendors can offer customers a fully integrated environment where the storage layer and the catalog work together seamlessly, enabling query engines to interact with data in-place without additional infrastructure.

As these integrations roll out, the reach of Polaris will extend far beyond query engines. It will become a key component in ingestion pipelines, governance frameworks, storage platforms, and data marketplaces—cementing its place as a central building block of the modern data stack.

From Catalog to Lakehouse Control Plane

While Polaris today is best known as an open, Iceberg-native catalog, its architecture and growing adoption hint at a much broader role in the future. The same foundation that makes it effective for managing Iceberg tables can be extended to orchestrate and govern a wider range of lakehouse assets.

As vendors continue to build on Polaris, it is likely to evolve into a true lakehouse control plane—one that not only stores metadata for tables but also manages related components such as views, models, data products, and governance policies. This expansion could enable organizations to define and enforce consistent standards for security, lineage, and performance optimization across all their lakehouse resources, regardless of the underlying compute engine or storage provider.

Just as the Iceberg REST Catalog standard unified how engines talk to table metadata, Polaris could unify how the broader ecosystem manages and interacts with other data assets. This would reduce fragmentation, simplify multi-engine environments, and give enterprises a single, interoperable layer for controlling their data estate.

In this vision, Polaris would not simply be the standard catalog for Iceberg—it would be the backbone for an open, multi-vendor, multi-format lakehouse, providing the governance and interoperability needed to make complex data architectures work at scale.

Conclusion: The Future of the Polaris Ecosystem

The momentum behind Apache Polaris is building quickly. By starting with the Apache Iceberg REST Catalog standard, it has inherited instant compatibility with a broad set of engines and tools. Commercial offerings from Dremio and Snowflake have already proven its production readiness, while upcoming integrations from ingestion vendors, data catalog platforms, and storage providers will continue to expand its footprint.

What makes Polaris especially exciting is the trajectory it’s on. Today, it is a powerful, open catalog for Iceberg tables. Tomorrow, it could serve as the central control plane for managing a full range of lakehouse assets, unifying governance, access, and interoperability across an increasingly complex data ecosystem.

As more organizations, vendors, and open-source contributors invest in Polaris, its role in the modern data stack will only strengthen. For teams building on Iceberg—or looking for an open, extensible way to manage their lakehouse—Polaris is becoming not just an option, but the standard to watch.

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