Problem with NVME speed write and read

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hello, I'm having problems with vms, it seems that they can't use all the speed of my nvme and when they start recording data with a download for example my disk has been at 100%, when installing windows i used the virtIO iso with the amd64 / w10 drive (Red Hat VirtIO SCSI Disk Device) , is there anything i can do to improve?

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If you haven't yet you can try beta25 and re-partition the NVMe device, it now aligns the partitions for non rotational devices on the 1Mib boundary, and that can make a lot of difference for some SSDs, e.g. Samsung is one the known affected brands.

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