cni bandwidth for cilium
OS: Ubuntu 18.04 Kernel: 5.4.0
Pod A and Pod B install tc and iperf3.
Pod A annotations add:
annotations:
kubernetes.io/ingress-bandwidth: 10M
kubernetes.io/egress-bandwidth: 10MPod ingress bandwidth limit test：
Pod A:
# iperf3 -s
Pod B:
# iperf3 -c 10.0.0.51 -b 15M
Pod A receiver result：
-----------------------------------------------------------
Server listening on 5201
-----------------------------------------------------------
Accepted connection from 10.0.0.208, port 58454
[ 5] local 10.0.0.51 port 5201 connected to 10.0.0.208 port 58456
[ ID] Interval Transfer Bitrate
[ 5] 0.00-1.00 sec 1.14 MBytes 9.59 Mbits/sec
[ 5] 1.00-2.00 sec 1.14 MBytes 9.52 Mbits/sec
[ 5] 2.00-3.00 sec 1.14 MBytes 9.57 Mbits/sec
[ 5] 3.00-4.00 sec 1.14 MBytes 9.56 Mbits/sec
[ 5] 4.00-5.00 sec 1.14 MBytes 9.58 Mbits/sec
[ 5] 5.00-6.00 sec 1.14 MBytes 9.57 Mbits/sec
[ 5] 6.00-7.00 sec 1.14 MBytes 9.56 Mbits/sec
[ 5] 7.00-8.00 sec 1.14 MBytes 9.57 Mbits/sec
[ 5] 8.00-9.00 sec 1.14 MBytes 9.55 Mbits/sec
[ 5] 9.00-10.00 sec 1.14 MBytes 9.57 Mbits/sec
[ 5] 10.00-10.01 sec 5.66 KBytes 7.70 Mbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bitrate
[ 5] 0.00-10.01 sec 11.4 MBytes 9.56 Mbits/sec receiver
Pod egress bandwidth limit test：
Pod A:
# iperf3 -s
Pod B:
# iperf3 -c 10.0.0.51 -R -b 15M
Pod B receiver result：
Connecting to host 10.0.0.51, port 5201
Reverse mode, remote host 10.0.0.51 is sending
[ 4] local 10.0.0.208 port 59376 connected to 10.0.0.51 port 5201
[ ID] Interval Transfer Bandwidth
[ 4] 0.00-1.00 sec 1.14 MBytes 9.58 Mbits/sec
[ 4] 1.00-2.00 sec 1.14 MBytes 9.55 Mbits/sec
[ 4] 2.00-3.00 sec 1.14 MBytes 9.55 Mbits/sec
[ 4] 3.00-4.00 sec 1.14 MBytes 9.57 Mbits/sec
[ 4] 4.00-5.00 sec 1.14 MBytes 9.55 Mbits/sec
[ 4] 5.00-6.00 sec 1.14 MBytes 9.58 Mbits/sec
[ 4] 6.00-7.00 sec 1.14 MBytes 9.57 Mbits/sec
[ 4] 7.00-8.00 sec 1.14 MBytes 9.54 Mbits/sec
[ 4] 8.00-9.00 sec 1.14 MBytes 9.59 Mbits/sec
[ 4] 9.00-10.00 sec 1.14 MBytes 9.56 Mbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bandwidth Retr
[ 4] 0.00-10.00 sec 12.2 MBytes 10.3 Mbits/sec 0 sender
[ 4] 0.00-10.00 sec 11.5 MBytes 9.67 Mbits/sec receiver
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