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Bug 1761405

Summary: [RFE] [RHEL 8] Add the option in ovn-northd to pause/resume logical flow calculation
Product: Red Hat Enterprise Linux Fast Datapath Reporter: Numan Siddique <nusiddiq>
Component: ovn2.11Assignee: Open vSwitch development team <ovs-team>
Status: CLOSED ERRATA QA Contact: Jianlin Shi <jishi>
Severity: unspecified Docs Contact:
Priority: unspecified    
Version: FDP 19.GCC: ctrautma, dcbw, fleitner, jishi, ovs-qe, ovs-team, qding
Target Milestone: ---   
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard:
Fixed In Version: ovn2.11.1-8 Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: 1720728 Environment:
Last Closed: 2021-05-18 20:24:33 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: 1720728    
Bug Blocks:    

Comment 1 Jianlin Shi 2019-10-21 03:32:01 UTC 
Verified on ovn2.11.1-8:

[root@ibm-x3650m5-03 bz1761405]# rpm -qa | grep ovn                                                   
ovn2.11-2.11.1-8.el8fdp.x86_64
ovn2.11-central-2.11.1-8.el8fdp.x86_64
ovn2.11-host-2.11.1-8.el8fdp.x86_64

[root@ibm-x3650m5-03 bz1761405]# bash -x rep.sh                                                       
+ ovn-nbctl ls-add ls2
+ ovn-sbctl lflow-list ls2                                                                            
+ echo 0                                                                                              
0
+ ovn-nbctl ls-del ls2                                                                                
+ ovn-sbctl lflow-list ls2
ovn-sbctl: ls2 is not a UUID or the beginning of a UUID                                               
+ echo 1                                                                                              
1
+ ovs-appctl -t ovn-northd is-paused                                                                  
false
+ ovs-appctl -t ovn-northd pause  

<==== set paused
                                                                    
+ ovs-appctl -t ovn-northd is-paused                                                                  
true
+ ovn-nbctl ls-add ls2
+ ovn-sbctl lflow-list ls2                                                                            
ovn-sbctl: ls2 is not a UUID or the beginning of a UUID                                               
+ echo 1                                                                                              
1                                       

<==== changes on DB is not processed by northd
                                                              
+ ovs-appctl -t ovn-northd resume   
 
<=== resumed
                                                                 
+ ovs-appctl -t ovn-northd is-paused                                                                  
false
+ ovn-sbctl lflow-list ls2
+ echo 0
0

<==== DB is processed by ovn-northd

+ ovn-nbctl ls-del ls2