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Anyscale

June 22-24 | Virtual & Free

Ray Summit 2021

Scalable machine learning,
Scalable Python, for everyone

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Ray Internals: Object Management with the Ownership Model

June 22, 1:45 PM - 2:15 PM

In this talk, we'll do a deep dive into Ray's distributed object management layer. We'll explain the Ray execution model and the basics behind the Ray distributed object store. Next, we'll describe the challenges with achieving both performance and reliability for object management. We'll present our solution to this problem, which is based on a novel concept called ownership that ensures object metadata consistency with low overhead. Finally, we'll present some exciting upcoming work on how to extend ownership to better support recent use cases.

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Speakers

Stephanie Wang

Stephanie Wang

PhD Student, UC Berkeley | Software Engineer, Anyscale

Yi Cheng

Yi Cheng

Software Engineer, Anyscale