* [Qemu-devel] [Bug 899664] [NEW] Bad internet performance for Host to Guest or Guest to Host
@ 2011-12-03 17:45 max
2017-05-08 11:46 ` [Qemu-devel] [Bug 899664] " Thomas Huth
2017-07-08 4:21 ` Launchpad Bug Tracker
0 siblings, 2 replies; 3+ messages in thread
From: max @ 2011-12-03 17:45 UTC (permalink / raw)
To: qemu-devel
Public bug reported:
Hi,
Internet performance for Host to Quest is low.
The speed Guest to same Guest is 11.3 Gbits/sec
The speed Host to same Host is similar (9.8-11 Gbits/sec)
But the speed from Guest to Host is slow and around 1Gbit/sec.
In the reality traffic never leave a Host. I expected that in this case speed should be close to Host to Host.
It is important for virtual infrastructure when you have several Guests on a same Host. Guest to Guest on a same host has speed around 1 Gbits/sec too.
Below you can find testes and additional information:
=========================================================================
biouml@biouml-db:~$ iperf -c 192.168.2.31 -t 30 #Guest to Guest
------------------------------------------------------------
Client connecting to 192.168.2.31, TCP port 5001
TCP window size: 49.7 KByte (default)
------------------------------------------------------------
[ 3] local 192.168.2.31 port 52170 connected with 192.168.2.31 port 5001
[ ID] Interval Transfer Bandwidth
[ 3] 0.0-30.0 sec 39.6 GBytes 11.3 Gbits/sec
============================================================================
biouml@biouml-db:~$ iperf -c 192.168.2.11 -t 30 # Guest to Host
------------------------------------------------------------
Client connecting to 192.168.2.11, TCP port 5001
TCP window size: 43.4 KByte (default)
------------------------------------------------------------
[ 3] local 192.168.2.31 port 47148 connected with 192.168.2.11 port 5001
[ ID] Interval Transfer Bandwidth
[ 3] 0.0-30.0 sec 3.69 GBytes 1.06 Gbits/sec
biouml@biouml-db:~$
============================================================================
root@s2-8core:~# iperf -c 192.168.2.30 -t 30 #host to guest
------------------------------------------------------------
Client connecting to 192.168.2.30, TCP port 5001
TCP window size: 16.0 KByte (default)
------------------------------------------------------------
[ 3] local 192.168.2.11 port 57403 connected with 192.168.2.30 port 5001
[ ID] Interval Transfer Bandwidth
[ 3] 0.0-30.0 sec 5.47 GBytes 1.57 Gbits/sec
==========================================================================
root@s2-8core:~# iperf -c 192.168.2.11 -t 30 #host to host
------------------------------------------------------------
Client connecting to 192.168.2.11, TCP port 5001
TCP window size: 49.7 KByte (default)
------------------------------------------------------------
[ 3] local 192.168.2.11 port 38313 connected with 192.168.2.11 port 5001
[ ID] Interval Transfer Bandwidth
[ 3] 0.0-30.0 sec 34.5 GBytes 9.87 Gbits/sec
root@s2-8core:~#
========================================================================
I am using virtio drivers and virtual machine was started with following
parameters:
/usr/bin/kvm -S -M pc-1.0 -enable-kvm -m 4096 -smp 4,sockets=4,cores=1,threads=1 -name one-25 -uuid d1e125ee-d692-4598-3a75-441cd79a513a -nodefconfig -nodefaults -chardev socket,id=charmonitor,path=/var/lib/libvirt/qemu/one-25.monitor,server,nowait -mon chardev=charmonitor,id=monitor,mode=control -rtc base=utc -no-shutdown -drive file=/var/lib/one/OpenNebula/var//25/images/disk.0,if=none,id=drive-virtio-disk0,format=raw,cache=none -device virtio-blk-pci,bus=pci.0,addr=0x4,drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1 -drive file=/var/lib/one/OpenNebula/var//25/images/disk.1,if=none,id=drive-virtio-disk3,format=raw -device virtio-blk-pci,bus=pci.0,addr=0x5,drive=drive-virtio-disk3,id=virtio-disk3 -netdev tap,fd=19,id=hostnet0 -device virtio-net-pci,netdev=hostnet0,id=net0,mac=02:00:c0:a8:02:02,bus=pci.0,addr=0x3 -usb -device usb-mouse,id=input0 -vnc 0.0.0.0:98 -vga cirrus -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x6
=============================================================================
Qemu version:
root@s2-8core:~# /usr/bin/kvm --version
QEMU emulator version 0.15.92, Copyright (c) 2003-2008 Fabrice Bellard
root@s2-8core:~# ls -la /usr/bin/kvm
lrwxrwxrwx 1 root root 27 2011-11-07 17:34 /usr/bin/kvm -> /usr/bin/qemu-system-x86_64
==========================================================================
Bridge configuration:
root@s2-8core:~# cat /etc/network/interfaces
auto lo
iface lo inet loopback
auto eth0
iface eth0 inet manual
auto eth1
iface eth1 inet manual
auto br0
iface br0 inet static
address 192.168.2.11
network 192.168.2.0
netmask 255.255.255.0
broadcast 192.168.2.255
gateway 192.168.2.1
bridge_ports eth0
bridge_stp on
bridge_fd 0
bridge_maxwait 0
root@s2-8core:~#
root@s2-8core:~# brctl show
bridge name bridge id STP enabled interfaces
br0 8000.001e8cec6113 yes eth0
vnet0
virbr0 8000.000000000000 yes
root@s2-8core:~# brctl --version
bridge-utils, 1.5
===============================================================
root@s2-8core:~# uname -a
Linux s2-8core 3.0.0-13-server #22-Ubuntu SMP Wed Nov 2 15:09:08 UTC 2011 x86_64 x86_64 x86_64 GNU/Linux
** Affects: qemu
Importance: Undecided
Status: New
--
You received this bug notification because you are a member of qemu-
devel-ml, which is subscribed to QEMU.
https://bugs.launchpad.net/bugs/899664
Title:
Bad internet performance for Host to Guest or Guest to Host
Status in QEMU:
New
Bug description:
Hi,
Internet performance for Host to Quest is low.
The speed Guest to same Guest is 11.3 Gbits/sec
The speed Host to same Host is similar (9.8-11 Gbits/sec)
But the speed from Guest to Host is slow and around 1Gbit/sec.
In the reality traffic never leave a Host. I expected that in this case speed should be close to Host to Host.
It is important for virtual infrastructure when you have several Guests on a same Host. Guest to Guest on a same host has speed around 1 Gbits/sec too.
Below you can find testes and additional information:
=========================================================================
biouml@biouml-db:~$ iperf -c 192.168.2.31 -t 30 #Guest to Guest
------------------------------------------------------------
Client connecting to 192.168.2.31, TCP port 5001
TCP window size: 49.7 KByte (default)
------------------------------------------------------------
[ 3] local 192.168.2.31 port 52170 connected with 192.168.2.31 port 5001
[ ID] Interval Transfer Bandwidth
[ 3] 0.0-30.0 sec 39.6 GBytes 11.3 Gbits/sec
============================================================================
biouml@biouml-db:~$ iperf -c 192.168.2.11 -t 30 # Guest to Host
------------------------------------------------------------
Client connecting to 192.168.2.11, TCP port 5001
TCP window size: 43.4 KByte (default)
------------------------------------------------------------
[ 3] local 192.168.2.31 port 47148 connected with 192.168.2.11 port 5001
[ ID] Interval Transfer Bandwidth
[ 3] 0.0-30.0 sec 3.69 GBytes 1.06 Gbits/sec
biouml@biouml-db:~$
============================================================================
root@s2-8core:~# iperf -c 192.168.2.30 -t 30 #host to guest
------------------------------------------------------------
Client connecting to 192.168.2.30, TCP port 5001
TCP window size: 16.0 KByte (default)
------------------------------------------------------------
[ 3] local 192.168.2.11 port 57403 connected with 192.168.2.30 port 5001
[ ID] Interval Transfer Bandwidth
[ 3] 0.0-30.0 sec 5.47 GBytes 1.57 Gbits/sec
==========================================================================
root@s2-8core:~# iperf -c 192.168.2.11 -t 30 #host to host
------------------------------------------------------------
Client connecting to 192.168.2.11, TCP port 5001
TCP window size: 49.7 KByte (default)
------------------------------------------------------------
[ 3] local 192.168.2.11 port 38313 connected with 192.168.2.11 port 5001
[ ID] Interval Transfer Bandwidth
[ 3] 0.0-30.0 sec 34.5 GBytes 9.87 Gbits/sec
root@s2-8core:~#
========================================================================
I am using virtio drivers and virtual machine was started with
following parameters:
/usr/bin/kvm -S -M pc-1.0 -enable-kvm -m 4096 -smp 4,sockets=4,cores=1,threads=1 -name one-25 -uuid d1e125ee-d692-4598-3a75-441cd79a513a -nodefconfig -nodefaults -chardev socket,id=charmonitor,path=/var/lib/libvirt/qemu/one-25.monitor,server,nowait -mon chardev=charmonitor,id=monitor,mode=control -rtc base=utc -no-shutdown -drive file=/var/lib/one/OpenNebula/var//25/images/disk.0,if=none,id=drive-virtio-disk0,format=raw,cache=none -device virtio-blk-pci,bus=pci.0,addr=0x4,drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1 -drive file=/var/lib/one/OpenNebula/var//25/images/disk.1,if=none,id=drive-virtio-disk3,format=raw -device virtio-blk-pci,bus=pci.0,addr=0x5,drive=drive-virtio-disk3,id=virtio-disk3 -netdev tap,fd=19,id=hostnet0 -device virtio-net-pci,netdev=hostnet0,id=net0,mac=02:00:c0:a8:02:02,bus=pci.0,addr=0x3 -usb -device usb-mouse,id=input0 -vnc 0.0.0.0:98 -vga cirrus -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x6
=============================================================================
Qemu version:
root@s2-8core:~# /usr/bin/kvm --version
QEMU emulator version 0.15.92, Copyright (c) 2003-2008 Fabrice Bellard
root@s2-8core:~# ls -la /usr/bin/kvm
lrwxrwxrwx 1 root root 27 2011-11-07 17:34 /usr/bin/kvm -> /usr/bin/qemu-system-x86_64
==========================================================================
Bridge configuration:
root@s2-8core:~# cat /etc/network/interfaces
auto lo
iface lo inet loopback
auto eth0
iface eth0 inet manual
auto eth1
iface eth1 inet manual
auto br0
iface br0 inet static
address 192.168.2.11
network 192.168.2.0
netmask 255.255.255.0
broadcast 192.168.2.255
gateway 192.168.2.1
bridge_ports eth0
bridge_stp on
bridge_fd 0
bridge_maxwait 0
root@s2-8core:~#
root@s2-8core:~# brctl show
bridge name bridge id STP enabled interfaces
br0 8000.001e8cec6113 yes eth0
vnet0
virbr0 8000.000000000000 yes
root@s2-8core:~# brctl --version
bridge-utils, 1.5
===============================================================
root@s2-8core:~# uname -a
Linux s2-8core 3.0.0-13-server #22-Ubuntu SMP Wed Nov 2 15:09:08 UTC 2011 x86_64 x86_64 x86_64 GNU/Linux
To manage notifications about this bug go to:
https://bugs.launchpad.net/qemu/+bug/899664/+subscriptions
^ permalink raw reply [flat|nested] 3+ messages in thread
* [Qemu-devel] [Bug 899664] Re: Bad internet performance for Host to Guest or Guest to Host
2011-12-03 17:45 [Qemu-devel] [Bug 899664] [NEW] Bad internet performance for Host to Guest or Guest to Host max
@ 2017-05-08 11:46 ` Thomas Huth
2017-07-08 4:21 ` Launchpad Bug Tracker
1 sibling, 0 replies; 3+ messages in thread
From: Thomas Huth @ 2017-05-08 11:46 UTC (permalink / raw)
To: qemu-devel
Triaging old bug tickets ... can you still reproduce this problem with
the latest version of QEMU (currently v2.9.0)?
** Changed in: qemu
Status: New => Incomplete
--
You received this bug notification because you are a member of qemu-
devel-ml, which is subscribed to QEMU.
https://bugs.launchpad.net/bugs/899664
Title:
Bad internet performance for Host to Guest or Guest to Host
Status in QEMU:
Incomplete
Bug description:
Hi,
Internet performance for Host to Quest is low.
The speed Guest to same Guest is 11.3 Gbits/sec
The speed Host to same Host is similar (9.8-11 Gbits/sec)
But the speed from Guest to Host is slow and around 1Gbit/sec.
In the reality traffic never leave a Host. I expected that in this case speed should be close to Host to Host.
It is important for virtual infrastructure when you have several Guests on a same Host. Guest to Guest on a same host has speed around 1 Gbits/sec too.
Below you can find testes and additional information:
=========================================================================
biouml@biouml-db:~$ iperf -c 192.168.2.31 -t 30 #Guest to Guest
------------------------------------------------------------
Client connecting to 192.168.2.31, TCP port 5001
TCP window size: 49.7 KByte (default)
------------------------------------------------------------
[ 3] local 192.168.2.31 port 52170 connected with 192.168.2.31 port 5001
[ ID] Interval Transfer Bandwidth
[ 3] 0.0-30.0 sec 39.6 GBytes 11.3 Gbits/sec
============================================================================
biouml@biouml-db:~$ iperf -c 192.168.2.11 -t 30 # Guest to Host
------------------------------------------------------------
Client connecting to 192.168.2.11, TCP port 5001
TCP window size: 43.4 KByte (default)
------------------------------------------------------------
[ 3] local 192.168.2.31 port 47148 connected with 192.168.2.11 port 5001
[ ID] Interval Transfer Bandwidth
[ 3] 0.0-30.0 sec 3.69 GBytes 1.06 Gbits/sec
biouml@biouml-db:~$
============================================================================
root@s2-8core:~# iperf -c 192.168.2.30 -t 30 #host to guest
------------------------------------------------------------
Client connecting to 192.168.2.30, TCP port 5001
TCP window size: 16.0 KByte (default)
------------------------------------------------------------
[ 3] local 192.168.2.11 port 57403 connected with 192.168.2.30 port 5001
[ ID] Interval Transfer Bandwidth
[ 3] 0.0-30.0 sec 5.47 GBytes 1.57 Gbits/sec
==========================================================================
root@s2-8core:~# iperf -c 192.168.2.11 -t 30 #host to host
------------------------------------------------------------
Client connecting to 192.168.2.11, TCP port 5001
TCP window size: 49.7 KByte (default)
------------------------------------------------------------
[ 3] local 192.168.2.11 port 38313 connected with 192.168.2.11 port 5001
[ ID] Interval Transfer Bandwidth
[ 3] 0.0-30.0 sec 34.5 GBytes 9.87 Gbits/sec
root@s2-8core:~#
========================================================================
I am using virtio drivers and virtual machine was started with
following parameters:
/usr/bin/kvm -S -M pc-1.0 -enable-kvm -m 4096 -smp 4,sockets=4,cores=1,threads=1 -name one-25 -uuid d1e125ee-d692-4598-3a75-441cd79a513a -nodefconfig -nodefaults -chardev socket,id=charmonitor,path=/var/lib/libvirt/qemu/one-25.monitor,server,nowait -mon chardev=charmonitor,id=monitor,mode=control -rtc base=utc -no-shutdown -drive file=/var/lib/one/OpenNebula/var//25/images/disk.0,if=none,id=drive-virtio-disk0,format=raw,cache=none -device virtio-blk-pci,bus=pci.0,addr=0x4,drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1 -drive file=/var/lib/one/OpenNebula/var//25/images/disk.1,if=none,id=drive-virtio-disk3,format=raw -device virtio-blk-pci,bus=pci.0,addr=0x5,drive=drive-virtio-disk3,id=virtio-disk3 -netdev tap,fd=19,id=hostnet0 -device virtio-net-pci,netdev=hostnet0,id=net0,mac=02:00:c0:a8:02:02,bus=pci.0,addr=0x3 -usb -device usb-mouse,id=input0 -vnc 0.0.0.0:98 -vga cirrus -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x6
=============================================================================
Qemu version:
root@s2-8core:~# /usr/bin/kvm --version
QEMU emulator version 0.15.92, Copyright (c) 2003-2008 Fabrice Bellard
root@s2-8core:~# ls -la /usr/bin/kvm
lrwxrwxrwx 1 root root 27 2011-11-07 17:34 /usr/bin/kvm -> /usr/bin/qemu-system-x86_64
==========================================================================
Bridge configuration:
root@s2-8core:~# cat /etc/network/interfaces
auto lo
iface lo inet loopback
auto eth0
iface eth0 inet manual
auto eth1
iface eth1 inet manual
auto br0
iface br0 inet static
address 192.168.2.11
network 192.168.2.0
netmask 255.255.255.0
broadcast 192.168.2.255
gateway 192.168.2.1
bridge_ports eth0
bridge_stp on
bridge_fd 0
bridge_maxwait 0
root@s2-8core:~#
root@s2-8core:~# brctl show
bridge name bridge id STP enabled interfaces
br0 8000.001e8cec6113 yes eth0
vnet0
virbr0 8000.000000000000 yes
root@s2-8core:~# brctl --version
bridge-utils, 1.5
===============================================================
root@s2-8core:~# uname -a
Linux s2-8core 3.0.0-13-server #22-Ubuntu SMP Wed Nov 2 15:09:08 UTC 2011 x86_64 x86_64 x86_64 GNU/Linux
To manage notifications about this bug go to:
https://bugs.launchpad.net/qemu/+bug/899664/+subscriptions
^ permalink raw reply [flat|nested] 3+ messages in thread
* [Qemu-devel] [Bug 899664] Re: Bad internet performance for Host to Guest or Guest to Host
2011-12-03 17:45 [Qemu-devel] [Bug 899664] [NEW] Bad internet performance for Host to Guest or Guest to Host max
2017-05-08 11:46 ` [Qemu-devel] [Bug 899664] " Thomas Huth
@ 2017-07-08 4:21 ` Launchpad Bug Tracker
1 sibling, 0 replies; 3+ messages in thread
From: Launchpad Bug Tracker @ 2017-07-08 4:21 UTC (permalink / raw)
To: qemu-devel
[Expired for QEMU because there has been no activity for 60 days.]
** Changed in: qemu
Status: Incomplete => Expired
--
You received this bug notification because you are a member of qemu-
devel-ml, which is subscribed to QEMU.
https://bugs.launchpad.net/bugs/899664
Title:
Bad internet performance for Host to Guest or Guest to Host
Status in QEMU:
Expired
Bug description:
Hi,
Internet performance for Host to Quest is low.
The speed Guest to same Guest is 11.3 Gbits/sec
The speed Host to same Host is similar (9.8-11 Gbits/sec)
But the speed from Guest to Host is slow and around 1Gbit/sec.
In the reality traffic never leave a Host. I expected that in this case speed should be close to Host to Host.
It is important for virtual infrastructure when you have several Guests on a same Host. Guest to Guest on a same host has speed around 1 Gbits/sec too.
Below you can find testes and additional information:
=========================================================================
biouml@biouml-db:~$ iperf -c 192.168.2.31 -t 30 #Guest to Guest
------------------------------------------------------------
Client connecting to 192.168.2.31, TCP port 5001
TCP window size: 49.7 KByte (default)
------------------------------------------------------------
[ 3] local 192.168.2.31 port 52170 connected with 192.168.2.31 port 5001
[ ID] Interval Transfer Bandwidth
[ 3] 0.0-30.0 sec 39.6 GBytes 11.3 Gbits/sec
============================================================================
biouml@biouml-db:~$ iperf -c 192.168.2.11 -t 30 # Guest to Host
------------------------------------------------------------
Client connecting to 192.168.2.11, TCP port 5001
TCP window size: 43.4 KByte (default)
------------------------------------------------------------
[ 3] local 192.168.2.31 port 47148 connected with 192.168.2.11 port 5001
[ ID] Interval Transfer Bandwidth
[ 3] 0.0-30.0 sec 3.69 GBytes 1.06 Gbits/sec
biouml@biouml-db:~$
============================================================================
root@s2-8core:~# iperf -c 192.168.2.30 -t 30 #host to guest
------------------------------------------------------------
Client connecting to 192.168.2.30, TCP port 5001
TCP window size: 16.0 KByte (default)
------------------------------------------------------------
[ 3] local 192.168.2.11 port 57403 connected with 192.168.2.30 port 5001
[ ID] Interval Transfer Bandwidth
[ 3] 0.0-30.0 sec 5.47 GBytes 1.57 Gbits/sec
==========================================================================
root@s2-8core:~# iperf -c 192.168.2.11 -t 30 #host to host
------------------------------------------------------------
Client connecting to 192.168.2.11, TCP port 5001
TCP window size: 49.7 KByte (default)
------------------------------------------------------------
[ 3] local 192.168.2.11 port 38313 connected with 192.168.2.11 port 5001
[ ID] Interval Transfer Bandwidth
[ 3] 0.0-30.0 sec 34.5 GBytes 9.87 Gbits/sec
root@s2-8core:~#
========================================================================
I am using virtio drivers and virtual machine was started with
following parameters:
/usr/bin/kvm -S -M pc-1.0 -enable-kvm -m 4096 -smp 4,sockets=4,cores=1,threads=1 -name one-25 -uuid d1e125ee-d692-4598-3a75-441cd79a513a -nodefconfig -nodefaults -chardev socket,id=charmonitor,path=/var/lib/libvirt/qemu/one-25.monitor,server,nowait -mon chardev=charmonitor,id=monitor,mode=control -rtc base=utc -no-shutdown -drive file=/var/lib/one/OpenNebula/var//25/images/disk.0,if=none,id=drive-virtio-disk0,format=raw,cache=none -device virtio-blk-pci,bus=pci.0,addr=0x4,drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1 -drive file=/var/lib/one/OpenNebula/var//25/images/disk.1,if=none,id=drive-virtio-disk3,format=raw -device virtio-blk-pci,bus=pci.0,addr=0x5,drive=drive-virtio-disk3,id=virtio-disk3 -netdev tap,fd=19,id=hostnet0 -device virtio-net-pci,netdev=hostnet0,id=net0,mac=02:00:c0:a8:02:02,bus=pci.0,addr=0x3 -usb -device usb-mouse,id=input0 -vnc 0.0.0.0:98 -vga cirrus -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x6
=============================================================================
Qemu version:
root@s2-8core:~# /usr/bin/kvm --version
QEMU emulator version 0.15.92, Copyright (c) 2003-2008 Fabrice Bellard
root@s2-8core:~# ls -la /usr/bin/kvm
lrwxrwxrwx 1 root root 27 2011-11-07 17:34 /usr/bin/kvm -> /usr/bin/qemu-system-x86_64
==========================================================================
Bridge configuration:
root@s2-8core:~# cat /etc/network/interfaces
auto lo
iface lo inet loopback
auto eth0
iface eth0 inet manual
auto eth1
iface eth1 inet manual
auto br0
iface br0 inet static
address 192.168.2.11
network 192.168.2.0
netmask 255.255.255.0
broadcast 192.168.2.255
gateway 192.168.2.1
bridge_ports eth0
bridge_stp on
bridge_fd 0
bridge_maxwait 0
root@s2-8core:~#
root@s2-8core:~# brctl show
bridge name bridge id STP enabled interfaces
br0 8000.001e8cec6113 yes eth0
vnet0
virbr0 8000.000000000000 yes
root@s2-8core:~# brctl --version
bridge-utils, 1.5
===============================================================
root@s2-8core:~# uname -a
Linux s2-8core 3.0.0-13-server #22-Ubuntu SMP Wed Nov 2 15:09:08 UTC 2011 x86_64 x86_64 x86_64 GNU/Linux
To manage notifications about this bug go to:
https://bugs.launchpad.net/qemu/+bug/899664/+subscriptions
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2017-07-08 4:40 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2011-12-03 17:45 [Qemu-devel] [Bug 899664] [NEW] Bad internet performance for Host to Guest or Guest to Host max
2017-05-08 11:46 ` [Qemu-devel] [Bug 899664] " Thomas Huth
2017-07-08 4:21 ` Launchpad Bug Tracker
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