흐음.. 로컬로 쐈는데 이정도면.. 성능 엄청 안 좋은건가?
아무튼 893번을 보내고 또 10번을 더 보내서 총 903번의 전송이 발생하는 것으로 보인다.
$ iperf -u -p 16000 -c localhost ------------------------------------------------------------ Client connecting to localhost, UDP port 16000 Sending 1470 byte datagrams, IPG target: 11215.21 us (kalman adjust) UDP buffer size: 208 KByte (default) ------------------------------------------------------------ [ 3] local 127.0.0.1 port 49969 connected with 127.0.0.1 port 16000 [ ID] Interval Transfer Bandwidth [ 3] 0.0-10.0 sec 1.25 MBytes 1.05 Mbits/sec [ 3] Sent 893 datagrams [ 3] WARNING: did not receive ack of last datagram after 10 tries. |
[링크 : https://idchowto.com/iperf-를-이용한-네트워크-성능-측정/]
[링크 : https://chanind.github.io/2020/05/15/network-bandwidth-stress-testing-iperf.html]
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i5-2520m 이고 로컬로 했는데 저조하네..
서버
$ iperf -u -p 16000 -s localhost iperf: ignoring extra argument -- localhost ------------------------------------------------------------ Server listening on UDP port 16000 Receiving 1470 byte datagrams UDP buffer size: 208 KByte (default) ------------------------------------------------------------ [ 3] local 127.0.0.1 port 16000 connected with 127.0.0.1 port 59209 [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 0.0-10.0 sec 1.25 MBytes 1.05 Mbits/sec 0.003 ms 0/ 893 (0%) |
클라이언트
$ iperf -u -p 16000 -c localhost ------------------------------------------------------------ Client connecting to localhost, UDP port 16000 Sending 1470 byte datagrams, IPG target: 11215.21 us (kalman adjust) UDP buffer size: 208 KByte (default) ------------------------------------------------------------ [ 3] local 127.0.0.1 port 59209 connected with 127.0.0.1 port 16000 [ ID] Interval Transfer Bandwidth [ 3] 0.0-10.0 sec 1.25 MBytes 1.05 Mbits/sec [ 3] Sent 893 datagrams [ 3] Server Report: [ 3] 0.0-10.0 sec 1.25 MBytes 1.05 Mbits/sec 0.000 ms 0/ 893 (0%) |
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i7-10510U 라고 해도 별다를 건 없어 보이네?
서버
$ iperf -u -p 16000 -s localhost iperf: ignoring extra argument -- localhost ------------------------------------------------------------ Server listening on UDP port 16000 Receiving 1470 byte datagrams UDP buffer size: 208 KByte (default) ------------------------------------------------------------ [ 3] local 127.0.0.1 port 16000 connected with 127.0.0.1 port 44436 [ ID] Interval Transfer Bandwidth Jitter Lost/Total Datagrams [ 3] 0.0-10.0 sec 1.25 MBytes 1.05 Mbits/sec 0.011 ms 0/ 893 (0%) |
클라이언트
$ iperf -u -p 16000 -c localhost ------------------------------------------------------------ Client connecting to localhost, UDP port 16000 Sending 1470 byte datagrams, IPG target: 11215.21 us (kalman adjust) UDP buffer size: 208 KByte (default) ------------------------------------------------------------ [ 3] local 127.0.0.1 port 44436 connected with 127.0.0.1 port 16000 [ ID] Interval Transfer Bandwidth [ 3] 0.0-10.0 sec 1.25 MBytes 1.05 Mbits/sec [ 3] Sent 893 datagrams [ 3] Server Report: [ 3] 0.0-10.0 sec 1.25 MBytes 1.05 Mbits/sec 0.000 ms 0/ 893 (0%) |
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-b 옵션을 통해 대역폭을 늘리니 cpu 사용율이 폭증한다.