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Bug 1746196

Summary: Provide the option to configure probe interval for openflow connection
Product: Red Hat Enterprise Linux Fast Datapath Reporter: Flavio Leitner <fleitner>
Component: openvswitchAssignee: Numan Siddique <nusiddiq>
openvswitch sub component: daemons and tools QA Contact: haidong li <haili>
Status: CLOSED ERRATA Docs Contact:
Severity: unspecified    
Priority: unspecified CC: atragler, ctrautma, fleitner, haili, jhsiao, jishi, kfida, nusiddiq, qding
Version: FDP 19.F   
Target Milestone: ---   
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard:
Fixed In Version: openvswitch-2.9.0-117.el7fdp Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: 1744962 Environment:
Last Closed: 2019-10-01 07:22:39 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 1744962    
Bug Blocks: 1744964, 1745481, 1745482, 1753876    

Comment 2 haidong li 2019-09-06 03:08:31 UTC 
This bug is verified on the latest version.With heavy load,the cpu usage of ovn-controller is low:
[root@dell-per730-19 ~]# rpm -qa | grep openvswitch
kernel-kernel-networking-openvswitch-ovn-1.0-138.noarch
openvswitch-ovn-central-2.9.0-117.el7fdp.x86_64
openvswitch-selinux-extra-policy-1.0-13.el7fdp.noarch
openvswitch-ovn-common-2.9.0-117.el7fdp.x86_64
openvswitch-ovn-host-2.9.0-117.el7fdp.x86_64
openvswitch-2.9.0-117.el7fdp.x86_64
[root@dell-per730-19 ~]# 
[root@dell-per730-19 ~]#  ovs-vsctl get open . external_ids:ovn-openflow-probe-interval
"30"
[root@dell-per730-19 ~]#
[root@dell-per730-19 ~]# top

top - 23:07:28 up 1 day, 9 min,  3 users,  load average: 1.70, 1.80, 1.62
Tasks: 461 total,   5 running, 456 sleeping,   0 stopped,   0 zombie
%Cpu(s):  6.9 us,  1.1 sy,  0.0 ni, 92.0 id,  0.0 wa,  0.0 hi,  0.0 si,  0.0 st
KiB Mem : 65708808 total, 61095176 free,  2363852 used,  2249780 buff/cache
KiB Swap: 29241340 total, 29241340 free,        0 used. 62866708 avail Mem 

  PID USER      PR  NI    VIRT    RES    SHR S  %CPU %MEM     TIME+ COMMAND                                               
32745 openvsw+  10 -10 2373636 176504  13748 R 122.2  0.3  37:10.05 ovs-vswitchd                                          
  347 root      10 -10  611800 412244   1600 R  47.4  0.6  26:25.78 ovn-controller                                        
  321 root      10 -10   95804  42848    968 R  31.5  0.1   8:14.82 ovn-northd                                            
  307 root      20   0   62096  10468   1680 S  13.2  0.0   2:59.52 ovsdb-server                                          
  315 root      20   0   94396  42408   1712 S   6.6  0.1   2:36.14 ovsdb-server                                          
 7362 root      20   0  601180  63812   6780 S   4.0  0.1   0:59.51 NetworkManager                                        
19013 root      20   0   68648  16796   2300 S   4.0  0.0   0:00.12 ovs-vsctl                                             
32695 openvsw+  10 -10   80348  25348   1664 R   3.6  0.0   1:56.06 ovsdb-server
Comment 3 Karrar Fida 2019-09-30 13:55:47 UTC 
Comment in order to synch with JIRA
Comment 5 errata-xmlrpc 2019-10-01 07:22:39 UTC 
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHBA-2019:2942