With Linux 4.12, Clouds/VMs Backed By NVMe Storage Should Be Much Faster

Written by Michael Larabel in Virtualization on 17 June 2017 at 08:50 AM EDT. 3 Comments
With the Linux 4.12 kernel when running in emulated environments like VMs/clouds atop NVMe (NVM Express) solid-state storage you should be able to obtain much greater performance.

Last year we wrote about a performance improvement for virtual NVMe drives and that work has culminated in the NVMe v1.3 specification with the "Doorbell Buffer Config command" and is supported with the Linux 4.12 kernel code. NVM Express 1.3 was ratified last month.

More details on the functionality and performance impact can be found via this Collabora blog post.
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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter, LinkedIn, or contacted via MichaelLarabel.com.

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