[ovirt-users] Loopback interface has huge network transctions
Martin Pavlík
mpavlik at redhat.com
Mon Jan 26 13:25:23 UTC 2015
Hi Punit,
it is ok since ovirt-engine is using loopback for its purposes, e.g. postgress databas access. Try to check netstat -putna | grep 127.0.0 to see how many things are attached to it.
If you are interested in checking what is going on a bit more have a look @ this great how-to http://www.slashroot.in/find-network-traffic-and-bandwidth-usage-process-linux <http://www.slashroot.in/find-network-traffic-and-bandwidth-usage-process-linux>
HTH
Martin Pavlik
RHEV QE
> On 26 Jan 2015, at 02:24, Punit Dambiwal <hypunit at gmail.com> wrote:
>
> Hi,
>
> I have noticed that the loop back interface has huge network packets sent and received...is it common or need to some tweaks....
>
> 1. Ovirt 3.5.1
> 2. Before ovirt engine installation...loop back address doesn't has that huge amount of packets sent/receive....
> 3. After Ovirt engine install it's keep increasing.....and in just 48 hours it reach to 35 GB...
>
> [root at ccr01 ~]# ifconfig
> eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
> inet 43.252.x.x netmask 255.255.255.0 broadcast 43.252.x.x
> ether 60:eb:69:82:0b:4c txqueuelen 1000 (Ethernet)
> RX packets 6605350 bytes 6551029484 (6.1 GiB)
> RX errors 0 dropped 120622 overruns 0 frame 0
> TX packets 2155524 bytes 431348174 (411.3 MiB)
> TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
> device memory 0xdf6e0000-df700000
>
> eth1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
> inet 10.10.0.2 netmask 255.255.255.0 broadcast 10.10.0.255
> ether 60:eb:69:82:0b:4d txqueuelen 1000 (Ethernet)
> RX packets 788160 bytes 133915292 (127.7 MiB)
> RX errors 0 dropped 0 overruns 0 frame 0
> TX packets 546352 bytes 131672255 (125.5 MiB)
> TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
> device memory 0xdf660000-df680000
>
> lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
> inet 127.0.0.1 netmask 255.0.0.0
> loop txqueuelen 0 (Local Loopback)
> RX packets 84747311 bytes 40376482560 (37.6 GiB)
> RX errors 0 dropped 0 overruns 0 frame 0
> TX packets 84747311 bytes 40376482560 (37.6 GiB)
> TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
>
> [root at ccr01 ~]# w
> 09:23:07 up 2 days, 11:43, 1 user, load average: 0.27, 0.30, 0.31
> USER TTY LOGIN@ IDLE JCPU PCPU WHAT
> root pts/0 09:16 3.00s 0.01s 0.00s w
> [root at ccr01 ~]#
>
> Thanks,
> Punit
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