Exploring the Longhorn Data Plane: An Overview and Enhancements
summary
Covers Longhorn, a CNCF-incubating distributed block storage system for Kubernetes, focusing on its architecture and data path. Describes integrating a data engine with SPDK to speed I/O (improving latency and throughput) and introducing the userspace block device driver ublk as a frontend to boost performance and lower latency, especially for edge devices using legacy data engines.
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