The Lakestream Catalog: Turning Streams into Governed, Real-Time Context for Agents
Sijie Guo, StreamNativeKundan Vyas, StreamNative
Wed, Nov 4, 2:00–2:45 PMRoom 2012
An agent is only as good as its context — and most context today is stale. Documents, vector indexes, and lakehouse tables all describe the world as it was when they were last written. The freshest, highest-value context in an enterprise is in motion: it lives in the streams. But raw Kafka topics aren't usable as agent context — there's no governance, no schema contract, no identity or audit, and no way to discover or query a topic as a dataset.
The Lakestream Catalog changes that. It makes streams first-class, governed catalog objects — discoverable, schema-contracted, access-controlled, and auditable — explicitly linked to the Iceberg/Delta tables they materialize into, and federated with the catalogs you already run (i.e Unity Catalog, Iceberg REST). We'll cover the core model and the streaming semantics that table catalogs don't capture, then show how the catalog becomes the governance plane that lets agents reach live data through one secure interface. The payoff: governed real-time context for agents, on the streams you already have.
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Speakers
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Sijie Guo
Co-founder and CEO, StreamNative
Sijie’s journey with Apache Pulsar began at Yahoo! where he was part of the team working to develop a global messaging platform for the company. He then went to Twitter, where he led the messaging infrastructure group and co-created DistributedLog and Twitter EventBus. In 2017, he co-founded Streamlio, which was acquired by Splunk, and in 2019 he founded StreamNative. He is one of the original creators of Apache Pulsar and Apache BookKeeper, and remains VP of Apache BookKeeper and PMC Member of Apache Pulsar. Sijie lives in the San Francisco Bay Area of California.
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Kundan Vyas
Staff Product Manager, StreamNative
Kundan Vyas is a Staff Product Manager and Partner Strategy Lead at StreamNative, specializing in data streaming platforms, stream processing, and cloud-native data architectures. He works closely with customers and partners to translate complex streaming concepts into practical, production-ready Kafka-based solutions and regularly speaks at industry events.