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                                            Micah

I/O performance in a virtual machine

> You could experiment with the caching/syncing options: > > ``` > attachment, err := vz.NewDiskImageStorageDeviceAttachmentWithCacheAndSync(diskPath, false, vz.DiskImageCachingModeAutomatic, vz.DiskImageSynchronizationModeFsync) > ``` After adjusting parameters related to cache and sync, no...

I/O performance in a virtual machine

> I never looked at IO performance, I only know these options exist. While at it, you could also test `vz.DiskImageCachingModeCached` which is the only one you did not test....

I/O performance in a virtual machine

> [@jingshanccc](https://github.com/jingshanccc) It is a fairly "known" thing within the macOS (Apple Silicon) virtualization scene that (probably due to the NUMA memory layout) the Ultra line doesn't really perform well...