> <disk type='block' device='disk'>
> <driver name='qemu' type='raw' cache='none'/>
> <source dev='/dev/mapper/local-vrici_root'/>
> <target dev='vda' bus='virtio'/>
> <address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/>
> </disk>
wow, disabling the cache really helped in the performance dept.
KVM native disk write throughput:
- with cache = 45 MB/sec
- without cache = 110 MB / sec
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