Try different tools like iftop, htop, atop and netstat etc to monitor what's causing it.
I would go with htop first. On 13 Nov 2015 23:57, "mad Engineer" <themadengin...@gmail.com> wrote: > *Infrastructure* > Running juno on ubuntu 14.04 with GRE network using 2 network nodes > without DVR. > There are around 200 dhcp namespaces created on each network > nodes(dhcp_network_agents=2) which has 16 cpu and 32 gb. > > *Issue:* > Network nodes are idle (top shows 99% idle CPU)but load average is > *70-100* for a network traffic of 100-200 Kbps. > I am not able to figure out why the load average is too high for an idle > server with less than 100 Kbps (including my current ssh session) > > there is no impact for the instances but these numbers are worrying. > > > *some observation:* > CPU time spend on user space is 0%, kernel space is 0.1%,io wait is > 0%,swap usage is 0%,and there are a lot of free RAM,No zombie,No process in > un interruptible sleep. > > > any idea why load average is very high? > > > > > > > > _______________________________________________ > Mailing list: > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > Post to : openstack@lists.openstack.org > Unsubscribe : > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > >
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