ovn scale test, 3 clustered sb, 10 sb relay server, 1000 sandbox。
sb relay sever will be segment fault accidentally
[root@node-4 ~]# kubectl logs -n openstack ovn-ovsdb-sb-relay-79d5dd7ff4-tqbbd
--tail 10 -p 22021-08-01T03:09:44Z|15758|poll_loop|INFO|wakeup due to [POLLOUT]
on fd 101 (10.232.2.213:6642<->10.232.7.147:39998) at lib/stream-fd.c:153 (66%
CPU usage) 32021-08-01T03:09:52Z|15759|timeval|WARN|Unreasonably long 5223ms
poll interval (2209ms user, 126ms system)
42021-08-01T03:09:52Z|15760|timeval|WARN|faults: 19955 minor, 0 major
52021-08-01T03:09:52Z|15761|timeval|WARN|context switches: 0 voluntary, 5818
involuntary 62021-08-01T03:09:55Z|15762|timeval|WARN|Unreasonably long 3550ms
poll interval (2277ms user, 71ms system)
72021-08-01T03:09:55Z|15763|timeval|WARN|faults: 3652 minor, 0 major
82021-08-01T03:09:55Z|15764|timeval|WARN|context switches: 0 voluntary, 1438
involuntary 92021-08-01T03:09:55Z|15765|poll_loop|INFO|Dropped 43 log messages
in last 11 seconds (most recently, 10 seconds ago) due to excessive rate
102021-08-01T03:09:55Z|15766|poll_loop|INFO|wakeup due to [POLLOUT] on fd 95
(10.232.2.213:6642<->10.232.7.132:53042) at lib/stream-fd.c:153 (67% CPU usage)
11/tmp/start_sb_relay.sh: line 5: 9 Segmentation fault ovsdb-server
--remote=db:OVN_Southbound,SB_Global,connections
relay:OVN_Southbound:tcp:${SERVICE_NAME}.${NAMESPACE}.svc.cluster.local:6642
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