XenServer 6.0 is currently running 1.0.99 OpenVswitch.
We see excessive CPU consumption by ovs-vswitchd when running vlan traffic:
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
6814 root 10 -10 16692 11m 1044 R 89.2 0.4 3339:02 ovs-vswitchd
1617 root 20 0 0 0 0 S 39.0 0.0 1074:23 netback/3
1615 root 20 0 0 0 0 S 24.1 0.0 1118:15 netback/1
1614 root 20 0 0 0 0 R 10.2 0.0 995:14.82 netback/0
1616 root 20 0 0 0 0 S 10.2 0.0 621:26.15 netback/2
We also suspect vswitchd as responsible for dropping packets.
39: RX packets:494125 errors:0 dropped:0 overruns:0 frame:0
40: TX packets:519707 errors:0 dropped:8357 overruns:0 carrier:0
46: RX packets:455837 errors:0 dropped:0 overruns:0 frame:0
47: TX packets:485736 errors:0 dropped:10118 overruns:0 carrier:0
53: RX packets:455547 errors:0 dropped:0 overruns:0 frame:0
54: TX packets:484577 errors:0 dropped:5718 overruns:0 carrier:0
60: RX packets:455611 errors:0 dropped:0 overruns:0 frame:0
61: TX packets:481385 errors:0 dropped:10404 overruns:0 carrier:0
67: RX packets:455162 errors:0 dropped:0 overruns:0 frame:0
The question is whether anyone in this list knows if and when Citrix will pick
up newer versions of open-vswitch? If not does anyone recognize this symptoms
as a fix that went into perhaps 1.2?
Juan Tellez
Chief Architect
Embrane
"I have made this letter longer than usual, only because I have not had time to
make it shorter."
-- 17th-century French philosopher and mathematician, Blaise Pascal (1623-62)
H: 510-654-7104
C: 510-468-9260
Skype: juan.m.tellez
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