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qm: emulated devices: make recommendation for virtio devices more visible

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Signed-off-by: Fiona Ebner <f.ebner@proxmox.com>
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Fiona Ebner 2023-02-17 17:08:36 +01:00 committed by Thomas Lamprecht
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commit e3d91783eb
1 changed files with 5 additions and 5 deletions
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@ -79,11 +79,11 @@ paravirtualized virtio devices, which includes a paravirtualized generic disk
controller, a paravirtualized network card, a paravirtualized serial port,
a paravirtualized SCSI controller, etc ...
It is highly recommended to use the virtio devices whenever you can, as they
provide a big performance improvement and are generally better maintained. Using
the virtio generic disk controller versus an emulated IDE controller will double
the sequential write throughput, as measured with `bonnie++(8)`. Using the
virtio network interface can deliver up to three times the throughput of an
TIP: It is *highly recommended* to use the virtio devices whenever you can, as
they provide a big performance improvement and are generally better maintained.
Using the virtio generic disk controller versus an emulated IDE controller will
double the sequential write throughput, as measured with `bonnie++(8)`. Using
the virtio network interface can deliver up to three times the throughput of an
emulated Intel E1000 network card, as measured with `iperf(1)`. footnote:[See
this benchmark on the KVM wiki https://www.linux-kvm.org/page/Using_VirtIO_NIC]