nova-api cause cpu high

asked 2018-07-19 23:40:11 -0500

Anyone know why the nova-api cause the controller node cpu high?

Tasks: 157 total, 5 running, 152 sleeping, 0 stopped, 0 zombie %Cpu(s): 88.0 us, 11.8 sy, 0.0 ni, 0.0 id, 0.0 wa, 0.2 hi, 0.0 si, 0.0 st KiB Mem: 8045260 total, 7243336 used, 801924 free, 218308 buffers KiB Swap: 3903484 total, 201360 used, 3702124 free. 4178520 cached Mem

PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 16908 nova 20 0 300304 103944 3908 R 64.5 1.3 1196:52 nova-api 16895 nova 20 0 309992 115456 4816 R 63.1 1.4 1051:36 nova-api 16893 nova 20 0 315340 120900 4764 R 62.5 1.5 1091:12 nova-api 16849 cinder 20 0 158076 18760 4564 S 4.0 0.2 2903:29 cinder-api 16891 nova 20 0 278064 86784 4660 S 1.3 1.1 6245:11 nova-conductor 16783 nova 20 0 136032 17156 4464 S 0.7 0.2 2796:36 nova-conductor 16892 nova 20 0 279480 88656 4660 S 0.7 1.1 6248:50 nova-conductor 7 root 20 0 0 0 0 R 0.3 0.0 937:33.11 rcu_sched 16911 cinder 20 0 277628 73936 4700 S 0.3 0.9 490:06.56 cinder-api 26661 cloudop+ 20 0 109796 2016 1004 S 0.3 0.0 0:00.21 sshd 1 root 20 0 33756 2520 1264 S 0.0 0.0 816:58.72 init 2 root 20 0 0 0 0 S 0.0 0.0 0:03.94 kthreadd 3 root 20 0 0 0 0 S 0.0 0.0 72:50.77 ksoftirqd/0

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