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Bug 1744986 - OVN: do not discard mac_bindings under heavy load
Summary: OVN: do not discard mac_bindings under heavy load
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux Fast Datapath
Classification: Red Hat
Component: openvswitch
Version: FDP 19.E
Hardware: Unspecified
OS: Unspecified
unspecified
unspecified
Target Milestone: ---
: ---
Assignee: Timothy Redaelli
QA Contact: haidong li
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2019-08-23 12:32 UTC by lorenzo bianconi
Modified: 2020-01-14 20:40 UTC (History)
7 users (show)

Fixed In Version: openvswitch-2.9.0-116.el7fdn
Doc Type: If docs needed, set a value
Doc Text:
Clone Of:
Environment:
Last Closed: 2019-10-01 07:22:39 UTC
Target Upstream Version:
Embargoed:


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System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHBA-2019:2942 0 None None None 2019-10-01 07:22:50 UTC

Description lorenzo bianconi 2019-08-23 12:32:20 UTC
Description of problem:


Version-Release number of selected component (if applicable):


How reproducible:


Steps to Reproduce:
1.
2.
3.

Actual results:


Expected results:


Additional info:

Comment 2 haidong li 2019-08-26 02:04:26 UTC
Hi Lorenzo,can you please help describe how to reproduce this bug?Thanks!

Comment 4 haidong li 2019-09-12 03:25:59 UTC
verified on the latest version:
[root@dell-per730-19 ovn]# rpm -qa | grep openvswitch
openvswitch-ovn-central-2.9.0-117.el7fdp.x86_64
kernel-kernel-networking-openvswitch-ovn-1.0-138.noarch
openvswitch-ovn-common-2.9.0-117.el7fdp.x86_64
openvswitch-ovn-host-2.9.0-117.el7fdp.x86_64
openvswitch-selinux-extra-policy-1.0-13.el7fdp.noarch
openvswitch-2.9.0-117.el7fdp.x86_64
^[[A[root@dell-per730-19 ovn]# rpm -qa | grep ovn
openvswitch-ovn-central-2.9.0-117.el7fdp.x86_64
kernel-kernel-networking-openvswitch-ovn-1.0-138.noarch
openvswitch-ovn-common-2.9.0-117.el7fdp.x86_64
openvswitch-ovn-host-2.9.0-117.el7fdp.x86_64
[root@dell-per730-19 ovn]# 

[root@dell-per730-19 ovn]# top

top - 23:23:26 up 7 days, 25 min,  3 users,  load average: 2.73, 1.54, 0.68
Tasks: 462 total,   4 running, 458 sleeping,   0 stopped,   0 zombie
%Cpu(s):  8.6 us,  1.5 sy,  0.0 ni, 89.8 id,  0.0 wa,  0.0 hi,  0.1 si,  0.0 st
KiB Mem : 65708808 total, 61119796 free,  2122448 used,  2466564 buff/cache
KiB Swap: 29241340 total, 29241340 free,        0 used. 62983208 avail Mem 

  PID USER      PR  NI    VIRT    RES    SHR S  %CPU %MEM     TIME+ COMMAND                                               
21441 openvsw+  10 -10 2341128 129512  13748 R 113.2  0.2   6:02.10 ovs-vswitchd                                          
21512 root      10 -10  385820 186088   1564 R  99.7  0.3   4:43.24 ovn-controller                                        
21486 root      10 -10   72836  20172    968 R  43.4  0.0   1:53.88 ovn-northd                                            
21472 root      20   0   58060   6212   1680 S  14.9  0.0   0:38.57 ovsdb-server                                          
21480 root      20   0   72016  20248   1712 S   9.6  0.0   0:29.96 ovsdb-server                                          
21389 openvsw+  10 -10   66024  11996   1660 S   7.0  0.0   0:23.88 ovsdb-server                                          
 7362 root      20   0  694216 157216   6780 S   5.0  0.2  15:06.42 NetworkManager                                        
20505 root      20   0  117984   6588   1536 S   1.3  0.0   0:04.79 runtest.sh                                            
  888 root      20   0  146700  91404  90976 S   1.0  0.1   1:15.73 systemd-journal                                       
16671 root      20   0       0      0      0 S   1.0  0.0   0:03.34 kworker/19:2                                          
28759 root      20   0  162316   2652   1580 R   0.7  0.0   0:00.11 top                                                   
    9 root      20   0       0      0      0 S   0.3  0.0   7:33.57 rcu_sched                                             
 1450 dbus      20   0   66616   2852   1904 S   0.3  0.0   1:20.27 dbus-daemon                                           
 1933 root      20   0  371820  62528  58516 S   0.3  0.1   0:57.07 rsyslogd                                              
20998 root      20   0 1534616  25052  12896 S   0.3  0.0   0:01.92 libvirtd                                              
28868 root      20   0   57076   5652   2260 S   0.3  0.0   0:00.01 ovs-vsctl                                             
    1 root      20   0  202004  15148   4224 S   0.0  0.0   0:38.02 systemd                                               
    2 root      20   0       0      0      0 S   0.0  0.0   0:00.27 kthreadd                                              
    4 root       0 -20       0      0      0 S   0.0  0.0   0:00.00 kworker/0:0H                                          
    6 root      20   0       0      0      0 S   0.0  0.0   0:02.50 ksoftirqd/0                                           
    7 root      rt   0       0      0      0 S   0.0  0.0   0:01.66 migration/0               

[root@dell-per730-19 ovn]# ping 172.16.103.11
PING 172.16.103.11 (172.16.103.11) 56(84) bytes of data.
64 bytes from 172.16.103.11: icmp_seq=1 ttl=63 time=1.28 ms
64 bytes from 172.16.103.11: icmp_seq=2 ttl=63 time=0.233 ms
^C
--- 172.16.103.11 ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 1001ms
rtt min/avg/max/mdev = 0.233/0.759/1.286/0.527 ms
[root@dell-per730-19 ovn]# ovn-sbctl list mac_binding
_uuid               : cb6f8fd4-7948-44a4-bee6-a827909dc531
datapath            : c1d892a2-88a9-4e04-ad83-c1e014f2a18f
ip                  : "172.16.103.11"
logical_port        : "r1_sB"
mac                 : "00:de:ad:00:00:01"

_uuid               : 51d3e2d1-abe2-41d5-922b-76364c2e821d
datapath            : c1d892a2-88a9-4e04-ad83-c1e014f2a18f
ip                  : "172.16.102.11"
logical_port        : "r1_sA"
mac                 : "00:de:ad:01:00:01"

Comment 6 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


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