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[Rdo-list] CPU high load issue RDO Juno controllers



Hi all,

I have 3 Controller deployment in HA using Juno/Centos 7, based on this howto: https://github.com/beekhof/osp-ha-deploy/blob/master/HA-keepalived.md

Usually after some 2/3 weeks I start to have CPU high load issues on my controllers as you can see below. I have to restart all my services to everything get back to normal. 

Some pointers:
1º This can happen in any controller, so I don't think it's a hardware issue.

2º My cloud is not in production yet, so I don't have much usage.

3º I only see high load in related openstack services.

Can anyone provide me some tips to figure out what's wrong here? Thanks.




top - 05:05:38 up 28 days,  4:02,  1 user,  load average: 12.79, 12.18, 12.14
Tasks: 420 total,  10 running, 410 sleeping,   0 stopped,   0 zombie
%Cpu(s): 82.6 us, 16.1 sy,  0.0 ni,  0.0 id,  0.0 wa,  0.0 hi,  1.3 si,  0.0 st
KiB Mem : 32732120 total, 19646776 free,  6891364 used,  6193980 buff/cache
KiB Swap: 16457724 total, 16457724 free,        0 used. 23890352 avail Mem 

  PID USER      PR  NI    VIRT    RES    SHR S  %CPU %MEM     TIME+ COMMAND                                          
22270 root      20   0  161808  20516   4364 R  24.9  0.1   0:08.24 cinder                                           
19234 swift     20   0  246148  15076   1620 R  24.7  0.0   2:25.64 swift-object-au                                  
22268 root      20   0  178528  22904   5000 R  24.2  0.1   0:08.48 keystone                                         
33342 keystone  20   0  468852  69132   4148 R  24.2  0.2 539:01.19 keystone-all                                     
22264 root      20   0  141596  19652   4076 R  22.7  0.1   0:07.56 neutron                                          
22262 root      20   0  170680  21736   4924 R  19.7  0.1   0:08.24 keystone                                         
22537 root      20   0  203540   9884   3656 R  19.7  0.0   0:01.19 neutron-rootwra                                  
22273 root      20   0  141504  19800   4076 R  19.5  0.1   0:07.63 glance                                           
33423 neutron   20   0  453068  73784   2024 S  16.0  0.2  26:53.02 neutron-server                                   
33338 keystone  20   0  468880  69124   4148 S  11.5  0.2 540:48.66 keystone-all                                     
22288 rabbitmq  20   0  640756  17068   2512 S  11.2  0.1   0:04.12 beam.smp                                         
32813 glance    20   0  352124  55292   5928 S   9.2  0.2 661:41.51 glance-api                                       
32863 nova      20   0  385864  74056   7196 S   9.2  0.2 673:00.23 nova-api                               


Regards,
Pedro Sousa

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