vrouter-agent continously hogs CPU with flow_cache_timeout of 1200
Affects | Status | Importance | Assigned to | Milestone | ||
---|---|---|---|---|---|---|
Juniper Openstack | Status tracked in Trunk | |||||
R2.20 |
Fix Committed
|
Medium
|
Ashok Singh | |||
Trunk |
Fix Committed
|
Medium
|
Ashok Singh |
Bug Description
Set flow_cache_timeout of 1200 for some flow related testing and restarted vrouter-agent
It is seen that contrail-
If i reduce it to 600, then things are fine
root@nodek1:
top - 03:40:15 up 19:45, 5 users, load average: 25.58, 25.45, 24.48
Tasks: 411 total, 2 running, 409 sleeping, 0 stopped, 0 zombie
%Cpu(s): 9.8 us, 2.2 sy, 0.0 ni, 87.9 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st
KiB Mem: 13166488+total, 2983164 used, 12868172+free, 146820 buffers
KiB Swap: 13410713+total, 0 used, 13410713+free. 714340 cached Mem
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
25944 root 20 0 2497396 76840 37964 R 2721 0.1 345:58.34 contrail-vroute
124 root 20 0 0 0 0 S 6.3 0.0 0:27.13 ksoftirqd/10
174 root 20 0 0 0 0 S 6.3 0.0 0:26.93 ksoftirqd/20
27638 root 20 0 23940 3140 2452 R 6.3 0.0 0:00.01 top
1 root 20 0 33644 4112 2616 S 0.0 0.0 0:08.99 init
2 root 20 0 0 0 0 S 0.0 0.0 0:00.01 kthreadd
3 root 20 0 0 0 0 S 0.0 0.0 0:26.23 ksoftirqd/0
Review in progress for https:/ /review. opencontrail. org/14408
Submitter: Ashok Singh (<email address hidden>)