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YouTube

LegoOS - A Disseminated, Distributed OS for Hardware Resource Disaggregation

USENIX via YouTube

Overview

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Explore a groundbreaking approach to operating system design in this 26-minute conference talk from USENIX ATC '19. Delve into LegoOS, a disseminated, distributed OS for hardware resource disaggregation that challenges the traditional monolithic server model. Learn how the splitkernel model disseminates OS functionalities into loosely-coupled monitors, each managing a hardware component. Discover how LegoOS separates processor, memory, and storage devices at both hardware and OS levels, offering improved heterogeneity, elasticity, resource utilization, and failure handling in datacenters. Examine the implementation and evaluation results, comparing LegoOS's performance to monolithic Linux servers and exploring its benefits in resource packing and failure rate reduction. Gain insights into the future of datacenter management and the potential of hardware resource disaggregation in this award-winning presentation.

Syllabus

Introduction
Hardware resource aggregation
Applications in data centers
Lowlevel systems
Hardware
Resource Packing
Existing OS
Traditional OS
VNodes
Internal Design
Network Delay
Performance Capacity
Resource Management
Instrumentation Evaluation
Performance Evaluation
Conclusion
Questions

Taught by

USENIX

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