[B! tc] hirose31ã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

hirose31 id:hirose31

tcã«é–¢ã™ã‚‹hirose31ã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (7)

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tc ã‚³ãƒžãƒ³ãƒ‰ã§ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯é…å»¶ã‚„ãƒ‘ã‚±ãƒƒãƒˆãƒã‚¹ã‚’ç–‘ä¼¼çš„ã«ç™ºç”Ÿã•ã›ã‚‹ãƒ¡ãƒ¢ - ã‚ˆã†ã¸ã„ã®æ—¥ã€…ç²¾é€²XP
ã©ã‚‚ã€åˆè€ä¸¸ã§ã™ã€‚ tl;dr Linux ã«ãŠã„ã¦ tc ã‚³ãƒžãƒ³ãƒ‰ï¼ˆTraffic Controlï¼‰ä½¿ã£ã¦ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯é…å»¶ã‚„ãƒ‘ã‚±ãƒƒãƒˆãƒã‚¹ã‚’ç–‘ä¼¼çš„ã«ç™ºç”Ÿã•ã›ã‚‹ã“ã¨ãŒå‡ºæ¥ã‚‹ã¨ã®ã“ã¨ã€‚ä»Šã¾ã§ tc ã‚³ãƒžãƒ³ãƒ‰ã®å˜åœ¨ã™ã‚‰çŸ¥ã‚‰ãªã‹ã£ãŸãƒšãƒ¼ãƒšãƒ¼ã§æç¸®ã ãŒã€å‚è€ƒã‚µã‚¤ãƒˆã‚’ã¾ãã¦é…å»¶ã‚„ãƒ‘ã‚±ãƒƒãƒˆãƒã‚¹ã‚’ç™ºç”Ÿã•ã›ã¦ã¿ãŸã„ã€‚ ãƒ¡ãƒ¢ å‚è€ƒ http://linux-biyori.sakura.ne.jp/setting/st_net em.php http://labs.gree.jp/blog/2014/10/11266/ man tc ä»¥ä¸‹ã®ç’°å¢ƒã§è©¦ã™ã€‚ $ cat /etc/lsb-release DISTRIB_ID=Ubuntu DISTRIB_RELEASE=14.04 DISTRIB_CODENAME=trusty DISTRIB_DESCRIPTION="Ubuntu 14.04.2 LTS" ã²ã¨ã¾ãš
hirose31 2016/02/16
tc
ãƒªãƒ³ã‚¯
ã‚ˆãã‚ã‹ã‚‹Linuxå¸¯åŸŸåˆ¶é™ | GREE Engineering
çŸ¢å£ã§ã™ã€‚ ã¿ãªã•ã‚“ã¯Linuxã®tcã¨ã„ã†æ©Ÿèƒ½ã‚’ã”å˜çŸ¥ã§ã—ã‚‡ã†ã‹ã€‚é€ä¿¡ã™ã‚‹ãƒ‘ã‚±ãƒƒãƒˆã®å¸¯åŸŸåˆ¶å¾¡ã‚’è¡Œã†ã“ã¨ãŒã§ãã‚‹å¤§å¤‰å¼·åŠ›ãªæ©Ÿèƒ½ã§ã€ã‚°ãƒªãƒ¼ã§ã‚‚ã„ãã¤ã‹ã®ç”¨é€”ã§ä½¿ç”¨ã•ã‚Œã¦ã„ã¾ã™ã€‚ å…·ä½“çš„ãªäº‹ä¾‹ã®ä¸€ã¤ã¯Redisã§ã™ã€‚Redisã§ã¯replicationã‚’æ–°è¦ã«é–‹å§‹ã™ã‚‹éš›ã‚„failoverãŒç™ºç”Ÿã—masterãŒåˆ‡ã‚Šæ›¿ã‚ã£ãŸéš›(ç‰¹ã«2.6ç³»)ã«ã‚¹ãƒˆã‚¢ã•ã‚Œã¦ã„ã‚‹å…¨ãƒ‡ãƒ¼ã‚¿ãŒè»¢é€ã•ã‚Œã¾ã™ã€‚ã—ã‹ã—å¸¯åŸŸåˆ¶é™ã‚’ã‹ã‘ã‚‹æ©Ÿèƒ½ãŒãªã„ãŸã‚ã€ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯å¸¯åŸŸã‚’åœ§è¿«ã—ã¦ã—ã¾ã†å±é™ºæ€§ãŒã‚ã‚Šã¾ã™ã€‚ã¾ãŸé€šå¸¸ã®ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆã¨ã®é€šä¿¡ã§ã‚‚å¤§é‡ã®ã‚¯ã‚¨ãƒªã«ã‚ˆã‚Šäºˆæƒ³ä»¥ä¸Šã®å¸¯åŸŸã‚’ä½¿ç”¨ã—ã¦ã—ã¾ã†å¯èƒ½æ€§ãŒã‚ã‚Šã¾ã™ã€‚ã“ã®ã‚ˆã†ãªå ´åˆã«tcã‚’ç”¨ã„ã‚‹ã“ã¨ã§Redisã®ä½¿ç”¨ã™ã‚‹å¸¯åŸŸã‚’ã‚³ãƒ³ãƒˆãƒãƒ¼ãƒ«ã§ãã¾ã™ã€‚ ã“ã®ã‚ˆã†ã«æœ‰ç”¨ãªtcã§ã™ãŒæ®‹å¿µãªã“ã¨ã«æ—¥æœ¬èªž/è‹±èªžã¨ã‚‚ã«ã‚ã‹ã‚Šã‚„ã™ã„è§£èª¬ã‚„è©³ç´°ãªæƒ…å ±ã¯å¤šãã‚ã‚Šã¾ã›ã‚“ã€‚ ç§ã‚‚ç¤¾å†…ã«ãŠã„ã¦ä½¿ã‚ã‚Œã¦ã„ãŸtcã®è¨å®šã«å•é¡ŒãŒ
hirose31 2014/10/09
tc
ãƒªãƒ³ã‚¯
tcã«ã‚ˆã‚‹å†…å‘ããƒˆãƒ©ãƒ•ã‚£ãƒƒã‚¯ã®åˆ¶å¾¡ - WhiteAnthrax
* outboundãªãƒˆãƒ©ãƒ•ã‚£ãƒƒã‚¯ã®åˆ¶å¾¡ã¯å‰²ã¨ç°¡å˜ã«åˆ¶å¾¡ã§ãã‚‹ã‚“ã ã‘ã©ã€inboundãªãƒˆãƒ©ãƒ•ã‚£ãƒƒã‚¯ã¯ingressã§æ›¸ã„ã¦ã‚„ã£ã¦ã‚‚ãªã‹ãªã‹æ€ã†ã‚ˆã†ãªåˆ¶é™å€¤ã«ãªã£ã¦ãã‚Œã¾ã›ã‚“ã€‚ * ãã“ã§ã€ifb(Intermediate Functional Block device)ã‚’ä½¿ã†ã¨ã‚ˆã„ã‚ˆã†ã§ã™ * eth0ã«å…¥ã£ã¦ãã‚‹ãƒˆãƒ©ãƒ•ã‚£ãƒƒã‚¯ã‚’50Mbpsã«åˆ¶é™ã™ã‚‹ã‚¹ã‚¯ãƒªãƒ—ãƒˆ #!/bin/sh ### traffic shape for inbound eth0 ## Initialize tc qdisc del dev eth0 ingress handle ffff: > /dev/null 2>&1 tc qdisc del dev ifb0 root handle 1: htb > /dev/null 2>&1 ## ifb setup modprobe ifb sleep 2 ip lin
hirose31 2014/06/26
tc
ãƒªãƒ³ã‚¯
networking:netem [Wiki]
net em provides Network Emulation functionality for testing protocols by emulating the properties of wide area networks. For more information see net em man page.
hirose31 2013/05/28
packet loss, duplication

network

tc
ãƒªãƒ³ã‚¯
tc: Linux HTTP Outgoing Traffic Shaping (Port 80 Traffic Shaping) - nixCraft
When traffic is shaped, its rate of transmission is under control, in other words you apply some sort of bandwidth allocation for each port or or so called Linux services. Shaping occurs on egress. You can only apply traffic shaping to outgoing or forwarding traffic i.e. you do not have any control for incoming traffic to server. However, tc can do policing controls for arriving traffic. Policing
hirose31 2012/07/11
tc
ãƒªãƒ³ã‚¯
Linuxã§IPã‚„ãƒãƒ¼ãƒˆå˜ä½ã§ç°¡å˜ã«ãƒˆãƒ©ãƒ•ã‚£ãƒƒã‚¯ã‚’ã‚³ãƒ³ãƒˆãƒãƒ¼ãƒ«ã—ã‚ˆã†
äººé–“ã¨ã‚¦ã‚§ãƒ–ã®æœªæ¥ï¼ˆæ—§ï¼‰ ã€Œã‚¦ã‚§ãƒ–ã®æ´å²ã¯äººé¡žã®æ´å²ã®ç¹°ã‚Šè¿”ã—ã€ã¨ã„ã†è¦³ç‚¹ã‹ã‚‰è‰²ã€…å‹‰å¼·ã—ã¦ã„ã¾ã™ã€‚2014å¹´ã¾ã§ã®äººé–“ã¨ã‚¦ã‚§ãƒ–ã®æœªæ¥ã®æ—§ãƒ–ãƒã‚°ã§ã™ã€‚ ç ”ç©¶ã§cgroupã‚„CFSã‚’èª¿æŸ»ã—ã¦ã„ã‚‹ã‚“ã§ã™ãŒã€ãƒˆãƒ©ãƒ•ã‚£ãƒƒã‚¯ã‚’ã‚³ãƒ³ãƒˆãƒãƒ¼ãƒ«ã™ã‚‹tcã‚³ãƒžãƒ³ãƒ‰ã‚„qoså‘¨ã‚Šã‚’å¾©ç¿’ãŒã¦ã‚‰ã€ãƒ„ãƒ¼ãƒ«ã‚’ä½œã£ã¦ã¿ã¾ã—ãŸã€‚ç°¡å˜ã¨ã„ã†æ‰€ãŒé‡è¦ã§ã™ã€‚ä½•ã‚’ã™ã‚‹ãƒ„ãƒ¼ãƒ«ã‹ã¨ã„ã†ã¨ã€ã€ŒLinuxã‚µãƒ¼ãƒä¸Šã§inboundã¨outboundã®ãƒˆãƒ©ãƒ•ã‚£ãƒƒã‚¯å¸¯åŸŸã‚’IPã‚„ãƒ—ãƒãƒˆã‚³ãƒ«å˜ä½ã§å¥½ããªã‚ˆã†ã«ã‚³ãƒ³ãƒˆãƒãƒ¼ãƒ«ã—ç®¡ç†ã™ã‚‹ã€ãŸã‚ã®ãƒ„ãƒ¼ãƒ«ã§ã™ã€‚ ã“ã‚Œã¾ã§ã®ãƒˆãƒ©ãƒ•ã‚£ãƒƒã‚¯ã‚³ãƒ³ãƒˆãƒãƒ¼ãƒ«ãƒ„ãƒ¼ãƒ«ã‚’æ”¹è‰¯ ã¨ã«ã‹ãè¤‡é›‘ã§ã‚ã‹ã‚Šã«ãã‹ã£ãŸå°è±¡ãŒã‚ã‚Šã¾ã™ã€‚ãã®çµæžœã€ãƒˆãƒ©ãƒ•ã‚£ãƒƒã‚¯ã‚³ãƒ³ãƒˆãƒãƒ¼ãƒ«ã‚’é‹ç”¨ã«æŒã¡è¾¼ã‚“ã§ã‚‚ã€ã†ã¾ãç®¡ç†ã™ã‚‹ã“ã¨ãŒã§ããªã‹ã£ãŸã®ã¯å®¹æ˜“ã«æƒ³åƒã§ãã¾ã™ã€‚æœ€åˆã¯tcã‚³ãƒžãƒ³ãƒ‰ã€æ¬¡ã«cbq.initãŒä½¿ã‚ã‚Œã¦ãã¾ã—ãŸã€‚ tcã‚³ãƒžãƒ³ãƒ‰ã¯ã‚ã‹ã‚Šã«ãã„ã®ã§ tcã‚³
hirose31 2012/04/12
traffic control

tc
ãƒªãƒ³ã‚¯
Linux: traffic controlã€€netem tc
net em ( tcã‚³ãƒžãƒ³ãƒ‰ ) ã®åŸºæœ¬çš„ãªä½¿ã„æ–¹ã€‚ tc ã‚³ãƒžãƒ³ãƒ‰ã§ã€é…å»¶ã€ãƒ‘ã‚±ãƒƒãƒˆãƒã‚¹ã€ãƒ‘ã‚±ãƒƒãƒˆã®é‡è¤‡ã€ãƒ‘ã‚±ãƒƒãƒˆã®åˆ°ç€é †ã‚’å¤‰ãˆã‚‹ã€ãªã©æ¨¡æ“¬ã™ã‚‹ã“ã¨ãŒã§ãã‚‹ã€‚ é…å»¶ã•ã›ã€WAN ã‚’æ¨¡æ“¬ã—ã€ãã®æ™‚ã®ã€ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯æ©Ÿå™¨(ãƒ•ãƒãƒ¼ãƒ†ãƒ¼ãƒ–ãƒ«ã‚’ãŸã‚ãŸã¨ãã®æŒ™å‹•)ã‚„ã€SLA(é…å»¶ãŒ xxç§’ã ã¨ãƒ¦ãƒ¼ã‚¶é€ƒã’ã¡ã‚ƒã†ã ã‚ã†ãª)ãªã©ã®ãƒ†ã‚¹ãƒˆãŒã§ããã†ã€‚ ã‚ã¨ã€ãƒ‘ã‚±ãƒƒãƒˆã®åˆ°ç€é †ã‚’ã‹ãˆãŸã¨ãã«ã€ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µã‚„Firewall ãŒã€å‡¦ç†ã§ãã‚‹ã‹ç¢ºèªã—ã¦ã¿ã‚‹ã¨ã‹ã€‚ ãƒ»delay : outgoing ã«å¯¾ã—ã¦ delay ã‚’è¨å®šã€€ ( WANã‚¨ãƒŸãƒ¥ãƒ¬ãƒ¼ã‚·ãƒ§ãƒ³ ) 100ms ã® delay ã‚’ã‹ã‘ã‚‹ã€‚ [root@hat1-vm ~]# tc qdisc add dev eth0 root net em delay 100ms [root@hat1-vm ~]# tc qdisc show dev eth0 qdisc
hirose31 2012/02/08
ãƒˆãƒ©ãƒ•ã‚£ãƒƒã‚¯ã‚³ãƒ³ãƒˆãƒãƒ¼ãƒ«ã€‚é…å»¶ã‚’ã‹ã‘ãŸã‚Šãƒ‘ã‚±ãƒƒãƒˆãƒã‚¹ã•ã›ãŸã‚Šã€‚

tc

linux

network
ãƒªãƒ³ã‚¯
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