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June 25 - 27 - Beijing, China
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Tuesday, June 26 • 14:20 - 15:00
Accelerating NVMe I/Os in Virtual Machine via SPDK vhost - Ziye Yang & Changpeng Liu, Intel (slides attached)

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SPDK (storage performance development kit, http://spdk.io) is an open source library used to accelerate the storage service (e.g., file, block) especially those service built on PCIe SSDs (e.g., 3D XPoint SSDs).

In this presentation, we would like to introduce SPDK user space vhost* solution (i.e., vhost-scsi/blk/NVMe), which can be used together with QEMU/KVM to accelerate virtio-scsi, virtio-blk and even emulated NVMe controller inside Guest OS for VMs. Relying on SPDK vhost* solution, the performance of I/Os inside VMs can be greatly improved compared (e.g., I/O IOPS increasing, I/O latency decreasing ) with an existing solution (e.g., original QEMU emulation solution, kernel vhost* solution). Moreover, SPDK vhost* solution is adopted by many cloud service providers (e.g., Alibaba).

avatar for Changpeng Liu

Changpeng Liu

Cloud Software Engineer, Intel
Changpeng Liu is software engineer in Intel and core maintainer of SPDK (Storage Performance Development Kit) open source project. His working areas include NVMe, storage virtualization and storage accelerators.
avatar for Ziye Yang

Ziye Yang

Senior software engineer, Intel
Ziye Yang is a senior software engineer at Intel and involved in SPDK (storage performance development kit) development work. Before that, Ziye worked at EMC for 4.5 years. Ziye is interested in system virtualization, file system and storage related research and development work... Read More →

Tuesday June 26, 2018 14:20 - 15:00 CST