[GitHub] [cloudstack] GabrielBrascher edited a comment on pull request #5012: KVM NFS disk IO driver supporting IO_URING

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GabrielBrascher edited a comment on pull request #5012:
URL: https://github.com/apache/cloudstack/pull/5012#issuecomment-877593769


   @DaanHoogland @rhtyd I've executed some manual tests on hardware that has the required Qemu & Libvirt versions to support IO_URING.
   
   The VM has the IO_URING added as expected in its XML when the versions match the requirements.
   Executed some simple IO tests on the same VM and host before and after the IO driver being applied (same hardware, VM, and OS/Kernel).
   
   ```
   data in/out  1GB   2GB   4GB   5GB   10GB
   default      104   101   102    92    102 MB/s
   io-uring      92    95    96    96    100 MB/s
   ```
   
   @DaanHoogland Do you mean integration tests that would validate the domain XML according to the host qemu/libvirt version?.


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