commnad sar -n DEV 2 1 Get a large amount of traffic. Is it a bug? #379
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# OS Version
[root@master3 ~]# cat /etc/redhat-release
CentOS Linux release 7.6.1810 (Core)
sar Version
[root@master3 ~]# sar -V
sysstat version 10.1.5
(C) Sebastien Godard (sysstat orange.fr)
sysstat Installation mode
[root@master3 ~]# yum -y install sysstat
Command output
[root@master3 ~]# sar -n DEV 2 1
Linux 4.17.11-1.el7.elrepo.x86_64 (master3) 12/04/2023 x86_64 (128 CPU)
11:40:03 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s
11:40:05 AM veth85f04f1d 3.50 4.50 0.61 1.00 0.00 0.00 0.00
11:40:05 AM vethd39918a7 46.50 27.00 4.42 3.07 0.00 0.00 0.00
11:40:05 AM veth0a8dc381 7.50 6.00 113.81 0.37 0.00 0.00 0.00
11:40:05 AM vethf39ed639 0.00 1.00 0.00 0.04 0.00 0.00 0.00
11:40:05 AM dummy0 0.00 0.00 0.00 0.00 0.00 0.00 0.00
11:40:05 AM veth0e416023 0.00 1.00 0.00 0.04 0.00 0.00 0.00
11:40:05 AM nodelocaldns 0.00 0.00 0.00 0.00 0.00 0.00 0.00
11:40:05 AM veth24ab6beb 140.00 141.00 13.89 21.56 0.00 0.00 0.00
11:40:05 AM veth3920cf6b 519.50 493.00 78.65 103.64 0.00 0.00 0.00
11:40:05 AM vethec7bd0bc 1225.00 1505.50 1259.45 202.41 0.00 0.00 0.00
11:40:05 AM virbr0 0.00 0.00 0.00 0.00 0.00 0.00 0.00
11:40:05 AM veth61bd3175 32.00 44.50 14.71 12.91 0.00 0.00 0.00
11:40:05 AM vethe70f567d 0.50 1.50 0.02 0.08 0.00 0.00 0.00
11:40:05 AM ens1f0 0.00 0.00 0.00 0.00 0.00 0.00 0.00
11:40:05 AM virbr0-nic 0.00 0.00 0.00 0.00 0.00 0.00 0.00
11:40:05 AM veth1aea1c4d 18065394.50 19780607.50 33018443.75 38145553.32 0.00 0.00 0.00
11:40:05 AM vethe173023d 8239716.50 5736311.50 1201685.15 5404012.04 0.00 0.00 0.00
11:40:05 AM vethc8b24215 19396647.00 19035255.00 6175821.84 5423223.35 0.00 0.00 0.00
11:40:05 AM vethc15a789e 1306613.50 1603405.00 119551.76 1584816.15 0.00 0.00 0.00
11:40:05 AM ens25f0 0.00 0.00 0.00 0.00 0.00 0.00 0.00
11:40:05 AM flannel.1 905932643.50 781157873.00 257871864.44 760288173.62 0.00 0.00 0.00
11:40:05 AM veth1193120b 10804249.00 10490121.00 4372089.62 27221376.92 0.00 0.00 0.00
11:40:05 AM veth91690391 12125763.00 15199919.50 1750923.84 1801715.47 0.00 0.00 0.00
11:40:05 AM vethd78c9d81 13651347.00 13930539.50 1364249.36 2197258.19 0.00 0.00 0.00
11:40:05 AM vethb7ae24e3 1045293.50 986579.00 104094.92 63649.06 0.00 0.00 0.00
11:40:05 AM ens21f0 1152150538.50 1400256884.50 475330870.83 975916415.39 0.00 0.00 57280.50
11:40:05 AM veth7a4d8217 23380153.00 22276374.00 13091078.41 6722045.10 0.00 0.00 0.00
11:40:05 AM veth8618d1ea 79421118.50 87408970.50 12169433.87 23086746.95 0.00 0.00 0.00
11:40:05 AM kube-ipvs0 0.00 0.00 0.00 0.00 0.00 0.00 0.00
11:40:05 AM ens1f1 0.00 0.00 0.00 0.00 0.00 0.00 0.00
11:40:05 AM vethb68b98ee 5653981.00 6963060.50 3231965.58 18472095.04 0.00 0.00 0.00
11:40:05 AM lo 332420122.50 332420122.50 189305593.91 189305593.91 0.00 0.00 0.00
11:40:05 AM cni0 1092193889.00 1222226582.50 812952715.50 354018832.47 0.00 0.00 0.00
11:40:05 AM ens25f1 0.00 0.00 0.00 0.00 0.00 0.00 0.00
11:40:05 AM veth7fe8218c 0.50 1.50 0.02 0.08 0.00 0.00 0.00
11:40:05 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00
11:40:05 AM veth3e1ddd2a 24964656.00 26279842.00 11651939.71 11051221.49 0.00 0.00 0.00
11:40:05 AM bond0 2303923806.50 2800657583.00 950552192.69 1952056685.53 0.00 0.00 114545.00
11:40:05 AM ens21f1 1151773268.00 1400400698.50 475221321.86 976140270.14 0.00 0.00 57295.50
Average: IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s
Average: veth85f04f1d 3.50 4.50 0.61 1.00 0.00 0.00 0.00
Average: vethd39918a7 46.50 27.00 4.42 3.07 0.00 0.00 0.00
Average: veth0a8dc381 7.50 6.00 113.81 0.37 0.00 0.00 0.00
Average: vethf39ed639 0.00 1.00 0.00 0.04 0.00 0.00 0.00
Average: dummy0 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Average: veth0e416023 0.00 1.00 0.00 0.04 0.00 0.00 0.00
Average: nodelocaldns 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Average: veth24ab6beb 140.00 141.00 13.89 21.56 0.00 0.00 0.00
Average: veth3920cf6b 519.50 493.00 78.65 103.64 0.00 0.00 0.00
Average: vethec7bd0bc 1225.00 1505.50 1259.45 202.41 0.00 0.00 0.00
Average: virbr0 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Average: veth61bd3175 32.00 44.50 14.71 12.91 0.00 0.00 0.00
Average: vethe70f567d 0.50 1.50 0.02 0.08 0.00 0.00 0.00
Average: ens1f0 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Average: virbr0-nic 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Average: veth1aea1c4d 18065394.50 19780607.50 33018443.75 38145553.32 0.00 0.00 0.00
Average: vethe173023d 8239716.50 5736311.50 1201685.15 5404012.04 0.00 0.00 0.00
Average: vethc8b24215 19396647.00 19035255.00 6175821.84 5423223.35 0.00 0.00 0.00
Average: vethc15a789e 1306613.50 1603405.00 119551.76 1584816.15 0.00 0.00 0.00
Average: ens25f0 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Average: flannel.1 905932643.50 781157873.00 257871864.44 760288173.62 0.00 0.00 0.00
Average: veth1193120b 10804249.00 10490121.00 4372089.62 27221376.92 0.00 0.00 0.00
Average: veth91690391 12125763.00 15199919.50 1750923.84 1801715.47 0.00 0.00 0.00
Average: vethd78c9d81 13651347.00 13930539.50 1364249.36 2197258.19 0.00 0.00 0.00
Average: vethb7ae24e3 1045293.50 986579.00 104094.92 63649.06 0.00 0.00 0.00
Average: ens21f0 1152150538.50 1400256884.50 475330870.83 975916415.39 0.00 0.00 57280.50
Average: veth7a4d8217 23380153.00 22276374.00 13091078.41 6722045.10 0.00 0.00 0.00
Average: veth8618d1ea 79421118.50 87408970.50 12169433.87 23086746.95 0.00 0.00 0.00
Average: kube-ipvs0 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Average: ens1f1 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Average: vethb68b98ee 5653981.00 6963060.50 3231965.58 18472095.04 0.00 0.00 0.00
Average: lo 332420122.50 332420122.50 189305593.91 189305593.91 0.00 0.00 0.00
Average: cni0 1092193889.00 1222226582.50 812952715.50 354018832.47 0.00 0.00 0.00
Average: ens25f1 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Average: veth7fe8218c 0.50 1.50 0.02 0.08 0.00 0.00 0.00
Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00
Average: veth3e1ddd2a 24964656.00 26279842.00 11651939.71 11051221.49 0.00 0.00 0.00
Average: bond0 2303923806.50 2800657583.00 950552192.69 1952056685.53 0.00 0.00 114545.00
Average: ens21f1 1151773268.00 1400400698.50 475221321.86 976140270.14 0.00 0.00 57295.50
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