Re: Virtio network: poor network with KVM hypervisor (latest Proxmox)

Hi Alexey, Can’t bring in much light, but here are our settings under QEMU-KVM 2.1.0 (qemu-system-x86_64): kern.ipc.maxsockbuf=4194304 net.inet.tcp.sendbuf_max=4194304 net.inet.tcp.recvbuf_max=4194304 net.inet.tcp.recvspace=262144 net.inet.tcp.sendspace=262144 net.inet.tcp.mssdflt=1460 net.inet.

Virtio network: poor network with KVM hypervisor (latest Proxmox)

Hi all! I am using the latest Proxmox 4.1 with all updates installed. I have several VM's with FreeBSD guests and 1 VM with Ubuntu 14 (all KVM). Host system file download speed: 60 MBps. FreeBSD guest download speed: 2 MBps on virtio network with TSO enabled, 5-9 MBps with TSO disabled; 12 MB