Hi,
Recently, I'v done some test with ovs-vswitchd, and the version were 2.5.2 and
2.9.2.
The test result shows that ovs-vswitchd consume high memory and didn't free it
after test done.
Here is the test method and result.
TEST:
Just send arp broadcast with mac address increase 1, 1000 packets for each
one seconds.
Result:
1) datapath flow was stablished at 10K+.
$ovs-dpctl show
system@ovs-system:
lookups: hit:7669 missed:53682 lost:0
flows: 10194
masks: hit:465184 total:9 hit/pkt:7.58
2) RSS of ovs-vswitchd goes to about 20M imediately and be stable.
$cat /proc/5586/status
Name: ovs-vswitchd
State: S (sleeping)
Tgid: 5586
Ngid: 0
Pid: 5586
PPid: 1
TracerPid: 0
Uid: 0 0 0 0
Gid: 0 0 0 0
FDSize: 256
Groups:
VmPeak: 31380 kB
VmSize: 31380 kB
VmLck: 0 kB
VmPin: 0 kB
VmHWM: 19844 kB
VmRSS: 19844 kB
VmData: 29260 kB
VmStk: 184 kB
VmExe: 1224 kB
VmLib: 508 kB
VmPTE: 34 kB
VmSwap: 0 kB
After stopping to send packet for half an hour, and all of the datapath flows
was almost expired,
ovs-vswitchd still occupy about 20M memory. Curiously, based on this, I send
packets
again, the memory of ovs-vswitchd didn't grow up obviously and the datapath
flow was still 10K+.
Can anyone konw what happened to ovs-vswitchd. Any feedback would be appreciate.
Thanks.
2018-10-09
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Best Regards.
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