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Accelerating NVMe IOs in VMs via SPDK vhost

Accelerating NVMe IOs in VMs via SPDK vhost

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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).
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