Hi ,thank you for your prompt reply.
[@sh5_44.1 ~]# ovs-dpctl show system@ovs-system: lookups: hit:1543483249 missed:63722785 lost:0 flows: 56469 masks: hit:6624457650 total:5 hit/pkt:4.12 port 0: ovs-system (internal) port 1: em1 port 2: br0 (internal) port 3: veth_44_124 port 4: veth_44_14 port 5: veth_44_182 port 6: veth_44_189 port 7: veth_44_19 port 8: veth_44_190 port 9: veth_44_192 port 10: veth_44_197 port 11: veth_44_198 port 12: veth_44_199 port 13: veth_44_20 port 14: veth_44_200 port 15: veth_44_201 port 16: veth_44_207 port 17: veth_44_205 port 18: veth_44_208 port 19: veth_44_209 port 20: veth_44_21 port 21: veth_44_210 port 22: veth_44_211 port 23: veth_44_212 port 24: veth_44_213 port 25: veth_44_214 port 26: veth_44_216 port 27: veth_44_217 port 28: veth_44_218 port 29: veth_44_219 port 30: veth_44_22 port 31: veth_44_220 port 32: veth_44_221 port 33: veth_44_222 [@sh5_44.1 ~]# ovs-ofctl dump-flows br0|grep '10.121.44.223' cookie=0xa000007ef27f08, duration=13556.095s, table=0, n_packets=0, n_bytes=0, idle_age=13556, priority=18000,ip,nw_src=10.121.44.223 actions=enqueue:2:447 cookie=0xa000004bdc6568, duration=13550.057s, table=0, n_packets=0, n_bytes=0, idle_age=13550, priority=28000,ip,nw_src=10.121.44.223,nw_dst=192.168.10.33 actions=enqueue:2:447 cookie=0xa000004bdc63c1, duration=13556.095s, table=0, n_packets=0, n_bytes=0, idle_age=13556, priority=28000,ip,nw_src=10.121.44.223,nw_dst=192.168.10.12 actions=enqueue:2:447 cookie=0xa000004bdc663c, duration=13553.072s, table=0, n_packets=0, n_bytes=0, idle_age=13553, priority=28000,ip,nw_src=10.121.44.223,nw_dst=192.168.10.44 actions=enqueue:2:447 cookie=0xa0000049f775a6, duration=13553.074s, table=0, n_packets=0, n_bytes=0, idle_age=13553, priority=28000,ip,nw_src=10.121.44.223,nw_dst=10.121.35.65 actions=enqueue:2:447 cookie=0xffffffffc144fcda, duration=13556.095s, table=0, n_packets=0, n_bytes=0, idle_age=13556, priority=28000,ip,nw_src=10.121.44.223,nw_dst=192.168.10.6 actions=enqueue:2:447 cookie=0xa000004bdc6497, duration=13550.058s, table=0, n_packets=0, n_bytes=0, idle_age=13550, priority=28000,ip,nw_src=10.121.44.223,nw_dst=192.168.10.25 actions=enqueue:2:447 cookie=0xa0000049f77400, duration=13550.058s, table=0, n_packets=0, n_bytes=0, idle_age=13550, priority=28000,ip,nw_src=10.121.44.223,nw_dst=10.121.35.45 actions=enqueue:2:447 cookie=0xa000004bdc6640, duration=13553.074s, table=0, n_packets=0, n_bytes=0, idle_age=13553, priority=28000,ip,nw_src=10.121.44.223,nw_dst=192.168.10.48 actions=enqueue:2:447 ...... ...... total: 53 flow for VM (10.121.44.223) At 2014-12-16 01:40:08, "Justin Pettit" <jpet...@nicira.com> wrote: >There's not enough information to understand the problem. In your "ovs-ofctl >dump-flows" command, you have 7309 flows, but you've only shown us six. Also, >those six flows are a little confusing, since the last one overlaps with all >the other IP-related flows. It doesn't really matter, since they all have the >same action, but if you change the actions, the behavior is undefined. > >What's the output of "ovs-dpctl show"? It would be interesting to know if >lots of flows are missing in the datapath and being sent to userspace. Also, >you may want to try 2.3.1, which is the latest version of OVS and is still >maintained, unlike 2.1.x. > >--Justin > > >> On Dec 14, 2014, at 9:02 PM, 李伟 <leek2...@163.com> wrote: >> >> Hello : >> There 10 VMs in openvswitch . these VMs access Internet through NAT >> host.therefore There are a lot of internet ipaddr through OVS. >> and add flows Following: >> ovs-ofctl add-flow br0 "dl_type=0x0800,nw_proto=1 priority=900 >> idle_timeout=0,actions=normal" >> ovs-ofctl add-flow br0 "dl_type=0x0806 priority=900 >> idle_timeout=0,actions=normal" >> ovs-ofctl add-flow br0 "dl_type=0x8035 priority=900 >> idle_timeout=0,actions=normal" >> ovs-ofctl add-flow br0 "dl_type=0x0800,nw_proto=17 priority=900 >> idle_timeout=0,actions=normal" >> ovs-ofctl add-flow br0 "dl_type=0x0800,nw_proto=6 priority=900 >> idle_timeout=0,actions=normal" >> ovs-ofctl add-flow br0 "dl_type=0x0800 priority=900 >> idle_timeout=0,actions=normal" >> >> but OVS high load still. How to reduce the OVS load ? thanks. >> >> >> >> ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- >> PID USER PR NI VIRT RES SHR S %CPU MEM TIME+ COMMAND >> >> >> 3145 root 20 0 1083m 29m 1608 S 565.7 0.0 21813:37 >> /opt/apps/openvswitch/sbin/ovs-vswitchd --pidfile --detach >> >> [@sh5_44.1 ~]# ovs-dpctl dump-flows |wc -l >> 53651 >> >> [@sh5_44.1 ~]# ovs-ofctl dump-flows br0|wc -l >> 7309 >> >> [@sh5_44.1 ~]# ovs-vsctl get bridge br0 >> other-config:flow-eviction-threshold >> "4000" >> >> >> [@sh5_44.1 ~]# ovs-vsctl --version >> ovs-vsctl (Open vSwitch) 2.1.3 >> Compiled Nov 3 2014 16:47:48 >> >> [@sh5_44.1 ~]# uptime >> 12:15:04 up 2 days, 19:39, 1 user, load average: 702.12, 711.86, 711.05 >> >> >> >> >> >> >> _______________________________________________ >> discuss mailing list >> discuss@openvswitch.org >> http://openvswitch.org/mailman/listinfo/discuss >
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