URSA: The Lakehouse-Native Data Streaming Engine for Apache Kafka
Stream, store, and scale with effortless compatibility and unstoppable cost-efficiency—10x cheaper than Kafka, with zero-copy streaming to your Lakehouse.
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Ursa Engine
What's new

Pulsar Virtual Summit EMEA

Join our annual Pulsar Virtual Summit EMEA on May 14th 2024 featuring new product announcements as well as Pulsar Observability, Lakehouse Tiered Storage, Generative AI in Real-time, and more!

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Introducing Ursa Engine

Learn about our latest innovation, Ursa! It is Kafka compatible engine built on Lakehouse storage.

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Webinar: Deep Dive into Streaming Data Platform Gigaom Radar 2024

StreamNative secured a leader position at Gigaom Radar for Streaming Data Platform. Learn about latest Data Streaming trends from Gigaom analyst Andrew Brust and StreamNative CEO Sijie Guo.

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Accelerate Your Streaming Data and AI with StreamNative Ursa

Ursa unifies streaming and lakehouse capabilities to deliver unmatched cost savings, massive scalability, and rock-solid reliability for your real-time streaming and AI workloads—without rewriting a single line of code.
100% Kafka Compatible
Seamlessly supports Kafka, Pulsar, MQTT, and more. No code changes for producers or consumers
Cheaper Than Kafka
Minimize costs with leaderless architecture and efficient resource usage.
Lakehouse-Native Streaming
Efficiently store data in open table formats like Apache Iceberg and Delta Lake.
Focus on Using Data, Not Managing Infrastructure
Skip the hassle of traditional data streaming and let Ursa do the heavy lifting. Here are 5 big "NO" items you avoid with Ursa:
No Inter-AZ Data Transfer
No Disks to Manage
No Overprovisioning
No Connectors
No Data Duplication

Discover the benefits of URSA, a Kafka API-compatible data streaming engine built on the lakehouse. Get insights on optimizing your data streaming with URSA!

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What Ursa Means for Your Business
Confidently modernize your streaming data infrastructure:
Explore how Ursa can reduce your total cost of ownership while boosting performance.
Additional Resources
Dive deeper into Ursa with helpful guides and success stories:
June 26, 2025
6 min read

StreamNative Ursa Is Now Available for Public Preview on Microsoft Azure

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10x
Lower cloud spend
What People Say About Ursa
“As a longtime StreamNative customer running its classic Apache Pulsar™ engine for ultra-low-latency workloads, I couldn't be more excited about the new Ursa Engine GA. It opens up entirely new possibilities for data-intensive, latency-relaxed workloads—all while simplifying our enterprise data architecture. You don't have to worry about cost anymore—just pump all your streaming data into Ursa.
Christos A.
Enterprise Architect at a Fortune 500 Automotive Company
Upgrade Your Kafka to StreamNative Ursa

A Truly Lakehouse-Native Engine
Cut infrastructure costs, reduce operational overhead, and unify streaming with your Lakehouse. Experience the next evolution in data streaming.

Deploy in minutes. Pay as you go. Available on AWS, Azure, and Google Cloud.