Hello Xav, what version of Openstack are you running ?
thank you Saverio 2015-11-23 20:04 GMT+01:00 Xav Paice <[email protected]>: > Hi, > > Over the last few months we've had a few incidents where the process to > create network namespaces (Neutron, OVS) on the network nodes gets 'stuck' > and prevents not only the router it's trying to create from finishing, but > all further namespace operations too. > > This has usually finished up with either us rebooting the node pretty fast > afterwards, or the node rebooting itself. > > It looks very much like we're affected by > https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1403152 but the notes > say it's fixed in the kernel we're running. I've asked the clever person > who checked it to make some extra notes in the bug report. > > It looks very much like when we have a bunch of load on the box the thing is > more likely to trigger - I was wondering if other ops have a max ratio of > routers per network node? I would have thought our current max of 150 > routers per node would be pretty light, but with the dhcp namespaces as well > that's ~450 namespaces on a box and maybe that's an issue? > > Thanks > > _______________________________________________ > OpenStack-operators mailing list > [email protected] > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-operators > _______________________________________________ OpenStack-operators mailing list [email protected] http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-operators
