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[Launchpad Bug Tracker <1987377@xxxxxxxxxxxxxxxxxx>]

[Expired for neutron because there has been no activity for 60 days.]

** Changed in: neutron
       Status: Incomplete => Expired

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https://bugs.launchpad.net/bugs/1987377

Title:
  neutron-metadata-agent the memory usage is increasing

Status in neutron:
  Expired

Bug description:
  env: 
  branch: stable/victoria

  The memory footprint becomes smaller after restarting the metadata-
  agent, but as it runs longer, the memory footprint becomes larger and
  larger until it is killed by oom

  
  kubectl top pod neutron-metadata-agent-default-6nz79  -nopenstack
  NAME                                   CPU(cores)   MEMORY(bytes)
  neutron-metadata-agent-default-6nz79   4m           7121Mi

  kubectl top pod -nopenstack neutron-metadata-agent-default-7znzp
  NAME                                   CPU(cores)   MEMORY(bytes)
  neutron-metadata-agent-default-7znzp   3m           24321Mi

  
  Tasks:  12 total,   1 running,  11 sleeping,   0 stopped,   0 zombie
  %Cpu(s):  3.5 us,  1.3 sy,  0.0 ni, 94.2 id,  0.0 wa,  0.0 hi,  0.3 si,  0.7 st
  KiB Mem : 32885820 total,  3087452 free, 28965316 used,   833052 buff/cache
  KiB Swap:        0 total,        0 free,        0 used.  3446688 avail Mem

      PID USER      PR  NI    VIRT    RES    SHR S  %CPU %MEM     TIME+ COMMAND
        1 neutron   20   0    1020      4      0 S   0.0  0.0   0:00.07 pause
   314636 neutron   20   0  193348  83160   4328 S   0.0  0.3  14:47.42 neutron-metadat
   314649 neutron   20   0 3246420 2.988g    972 S   0.0  9.5   8:37.78 neutron-metadat
   314650 neutron   20   0 3225648 2.970g   3184 S   0.0  9.5   8:36.11 neutron-metadat
   314651 neutron   20   0 3228576 2.970g      0 S   0.0  9.5   8:37.24 neutron-metadat
   314652 neutron   20   0 3223508 2.966g   1316 S   0.0  9.5   8:35.71 neutron-metadat
   314653 neutron   20   0 3216512 2.959g    844 S   0.0  9.4   8:37.38 neutron-metadat
   314654 neutron   20   0 3265104 3.006g    976 S   0.0  9.6   8:40.20 neutron-metadat
   314655 neutron   20   0 3180172 2.924g    280 S   0.0  9.3   8:33.43 neutron-metadat
   377345 neutron   20   0  193348  83388   4556 S   0.0  0.3   0:00.01 neutron-metadat

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