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Highload осень 2012 лекция 2
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Highload осень 2012 лекция 2
1.
2.
3.
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CPU0 CPU1 CPU2
CPU3 CPU4 CPU5 CPU6 CPU7 CPU8 CPU9 CPU10 CPU11 CPU12 CPU13 CPU14 CPU15 eth0 58: 1434978947 0 0 0 0 0 0 0 0 0 0 0 0 0 0 449492 PCI-MSI-edge eth0-TxRx-0 59: 1950517087 0 0 0 0 0 0 0 0 0 0 0 0 0 590577 0 PCI-MSI-edge eth0-TxRx-1 60: 1823482036 0 0 0 0 0 0 0 0 0 0 0 0 497334 0 0 PCI-MSI-edge eth0-TxRx-2 61: 2251074311 0 0 0 0 0 0 0 0 0 0 0 738795 0 0 0 PCI-MSI-edge eth0-TxRx-3 62: 765575858 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 PCI-MSI-edge eth0-TxRx-4 63: 329477757 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 PCI-MSI-edge eth0-TxRx-5 64: 1517450037 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 PCI-MSI-edge eth0-TxRx-6 65: 938808932 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 PCI-MSI-edge eth0-TxRx-7 66: 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 PCI-MSI-edge eth1 67: 1645802435 0 0 0 0 0 0 0 0 0 0 482782 0 0 0 0 PCI-MSI-edge eth1-TxRx-0 68: 1688597500 0 0 0 0 0 0 0 0 0 524149 0 0 0 0 0 PCI-MSI-edge eth1-TxRx-1 69: 1805458972 0 0 0 0 0 0 0 0 557581 0 0 0 0 0 0 PCI-MSI-edge eth1-TxRx-2 70: 2068996833 0 0 0 0 0 0 0 621037 0 0 0 0 0 0 0 PCI-MSI-edge eth1-TxRx-3 71: 550403216 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 PCI-MSI-edge eth1-TxRx-4 72: 559352604 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 PCI-MSI-edge eth1-TxRx-5 73: 1553486445 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 PCI-MSI-edge eth1-TxRx-6 74: 1060127510 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 PCI-MSI-edge eth1-TxRx-7 75: 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 PCI-MSI-edge eth2 76: 1632663556 0 0 0 0 0 0 587664 0 0 0 0 0 0 0 0 PCI-MSI-edge eth2-TxRx-0 77: 1932803994 0 0 0 0 0 598329 0 0 0 0 0 0 0 0 0 PCI-MSI-edge eth2-TxRx-1 78: 1890863328 0 0 0 0 559295 0 0 0 0 0 0 0 0 0 0 PCI-MSI-edge eth2-TxRx-2 79: 2135731441 0 0 0 630233 0 0 0 0 0 0 0 0 0 0 0 PCI-MSI-edge eth2-TxRx-3 80: 564846310 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 PCI-MSI-edge eth2-TxRx-4 81: 586755774 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 PCI-MSI-edge eth2-TxRx-5 82: 1608909743 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 PCI-MSI-edge eth2-TxRx-6 83: 831009992 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 PCI-MSI-edge eth2-TxRx-7 84: 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 PCI-MSI-edge
5.
Проект Трафик РБ (Реклама)
8 Гбит/с Одноклассники 32 Гбит/с Вконтакте (Видео) 160 Гбит/с
6.
7.
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9.
# host cas.sv.us.criteo.com cas.sv.us.criteo.com
has address 74.119.117.72 # whois 74.119.117.72 NetRange: 74.119.116.0 - 74.119.119.255 CIDR: 74.119.116.0/22 OriginAS: NetName: CRITEO-USA NetHandle: NET-74-119-116-0-1 Parent: NET-74-0-0-0-0 NetType: Direct Assignment RegDate: 2009-11-05 Updated: 2012-03-02 Ref: http://whois.arin.net/rest/net/NET-74-119-116-0-1 OrgName: Criteo Corp. OrgId: CRITE-6 Address: 411 High Street City: Palo Alto StateProv: CA PostalCode: 94301 Country: US RegDate: 2009-10-05 Updated: 2010-07-20 Ref: http://whois.arin.net/rest/org/CRITE-6
10.
# ping cas.sv.us.criteo.com PING
cas.sv.us.criteo.com (74.119.117.72) 56(84) bytes of data. 64 bytes from 74.119.117.72: icmp_seq=1 ttl=246 time=196 ms 64 bytes from 74.119.117.72: icmp_seq=2 ttl=246 time=196 ms 64 bytes from 74.119.117.72: icmp_seq=3 ttl=246 time=196 ms 64 bytes from 74.119.117.72: icmp_seq=4 ttl=246 time=196 ms 64 bytes from 74.119.117.72: icmp_seq=5 ttl=246 time=196 ms 64 bytes from 74.119.117.72: icmp_seq=6 ttl=246 time=196 ms --- cas.sv.us.criteo.com ping statistics --- 7 packets transmitted, 6 received, 14% packet loss, time 6069ms rtt min/avg/max/mdev = 196.745/196.769/196.806/0.256 ms
11.
# traceroute cas.sv.us.criteo.com
-q 1 traceroute to cas.sv.us.criteo.com (74.119.117.72), 30 hops max, 60 byte packets 1 94.100.178.2 (94.100.178.2) 0.408 ms 2 188.254.103.197 (188.254.103.197) 8.875 ms 3 46.61.141.133 (46.61.141.133) 51.420 ms 4 ethernet10-3.ar4.fra4.gblx.net (64.211.193.169) 45.973 ms 5 ae8.scr4.FRA4.gblx.net (67.16.145.241) 51.687 ms 6 po3-20G.ar2.SNV2.gblx.net (67.16.139.98) 195.523 ms 7 CRITEO-CORP.GigabitEthernet4-18.ar2.SNV2.gblx.net (206.41.25.26) 202.311 ms 8 * 9 * 10 * 11 * 12 * 13 * 14 * 15 *
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Каталоги: http://www.traceroute.net.ru/ http://www.lookinglass.org/ http://www.bgp4.as/looking-glasses http://www.bgp4.net/lg Примеры: http://lg.vk.com/ http://lg.megafon.ru/ http://lg.transtk.ru/ http://lg.retn.net/ http://lg.he.net/ http://www.msk-ix.ru/network/lookingglass.html http://www.ris.ripe.net/cgi-bin/lg/index.cgi
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Начальный адрес Конечный
адрес Маска 10.0.0.0 10.255.255.255 10.0.0.0/8 172.16.0.0 172.31.255.255 172.16.0.0/12 192.168.0.0 192.168.255.255 192.168.0.0/16
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UDP Header
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/usr/src/linux/Documentation/networking/ip-sysctl.txt
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/usr/src/linux/Documentation/networking/ip-sysctl.txt
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Notes de l'éditeur
Чем эффективнее будет написан тем больше будет оценка на экзаменеСледующим заданием будет нагрузочное тестирование
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