After upgrading Open vSwitch to the
-71 minor version for testing, one can notice a significant increase in startup time when executing
systemctl restart openvswitch.
[root@overcloud-compute-dpdk-1 ovs]# time systemctl restart openvswitch real 1m19.464s user 0m0.009s sys 0m0.026s
[root@overcloud-compute-dpdk-1 ovs]# time systemctl restart openvswitch A dependency job for openvswitch.service failed. See 'journalctl -xe' for details. real 4m2.941s user 0m0.018s sys 0m0.057s
After testing with Red Hat provided test builds, minor versions
-71, the culprit was identified as a patch that was introduced with
Open vSwitch 2.9.0-63 and beyond
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