SWIM: Scalable Weakly-consistent Infection-style Process Group Membership Protocol Abhinandan Das, Indranil Gupta, Ashish Motivala  Dept. of Computer Science, Cornell University Ithaca NY 14853 USA¡ asdas,gupta,ashish¢ @cs.cornell.edu Abstract Severa
SWIM: Scalable Weakly-consistent Infection-style Process Group Membership Protocol Abhinandan Das, Indranil Gupta, Ashish Motivala  Dept. of Computer Science, Cornell University Ithaca NY 14853 USA¡ asdas,gupta,ashish¢ @cs.cornell.edu Abstract Several distributed peer-to-peer applications require weakly-consistent knowledge of process group membership information at all participating processes.
serf-muninã§munin-nodeã®ç›£è¦–è‡ªå‹•è¿½åŠ /削除 | Pocketstudio.jp log3
https://github.com/zembutsu/serf-munin Github 上ã«ã€ã‚ªãƒ¼ã‚±ã‚¹ãƒˆãƒ¬ãƒ¼ã‚·ãƒ§ãƒ³ãƒ„ール Serf ã®ã€ã‚¤ãƒ™ãƒ³ãƒˆãƒãƒ³ãƒ‰ãƒ©ç”¨ã‚¹ã‚¯ãƒªãƒ—トを公開ã—ã¾ã—ãŸã€‚機能ã¯ã€serf ã®ãƒ¡ãƒ³ãƒã«å˜åœ¨ã™ã‚‹ã¨ã(join時)ã€munin-node ã®ç›£è¦–è¨å®šãƒ•ã‚¡ã‚¤ãƒ«ã‚’自動è¨ç½®ã—ã¾ã™ã€‚メンãƒã‹ã‚‰å¤–ã‚ŒãŸæ™‚（leave/failed時）ã¯è‡ªå‹•çš„ã«è¨å®šãƒ•ã‚¡ã‚¤ãƒ«ã‚’削除ã—ã¾ã™ã€‚ â– è¨ç½®æ–¹æ³• Munin マスタ（監視元）ã®ã‚µãƒ¼ãƒã«ã€ã“ã®ãƒ•ã‚¡ã‚¤ãƒ«ã‚’è¨ç½®ã—ã¾ã™ã€‚ $ wget https://raw.github.com/zembutsu/serf-munin/master/serf-munin.sh # mkdir /opt/serf-munin-node/ # mv ./serf-munin.sh /opt/serf-munin-node/ # chmod 755 /opt/serf-mu
第1回　Serf入門：動的ã«å¤‰åŒ–ã™ã‚‹ç’°å¢ƒã‚’ç°¡å˜ã«ç®¡ç† | gihyo.jp
Serfã¨ã¯ï¼Ÿ Serfã¯ã€HashiCorp社ãŒã‚ªãƒ¼ãƒ—ンソースã¨ã—ã¦é–‹ç™ºãƒ»å…¬é–‹ã—ã¦ã„るクラスタ管ç†ç”¨ã®ãƒ„ールã§ã™ã€‚軽é‡ãªã‚¨ãƒ¼ã‚¸ã‚§ãƒ³ãƒˆã‚’èµ·å‹•ã™ã‚‹ã ã‘ã§æ‰‹è»½ã«ã‚¯ãƒ©ã‚¹ã‚¿ã‚’構æˆã§ãã€è¤‡æ•°å°ã®ã‚µãƒ¼ãƒã«ã¾ãŸãŒã‚‹ä½œæ¥ã®è‡ªå‹•åŒ–ã«å½¹ç«‹ã¡ã¾ã™ã€‚2013年後åŠã‹ã‚‰é–‹ç™ºãŒã‚¹ã‚¿ãƒ¼ãƒˆã—ã€ç¾åœ¨ã‚‚GitHubã‚„IRC上ã§é–‹ç™ºãŒè¡Œã‚ã‚Œã¦ã„ã¾ã™ã€‚ ç™»å ´èƒŒæ™¯ã¨åˆ©ç”¨ã‚·ãƒ¼ãƒ³ クラウドコンピューティングを使ã£ãŸã‚·ã‚¹ãƒ†ãƒ ã®æ™®åŠã¨ã€ç¶™ç¶šçš„ãªé–‹ç™ºãƒ»é‹ç”¨ã‚¹ã‚¿ã‚¤ãƒ«ã®æ™®åŠã«ã‚ˆã‚Šã€ã‚¤ãƒ³ãƒ•ãƒ©ç’°å¢ƒãŒå¢—ãˆãŸã‚Šæ¸›ã£ãŸã‚Šã™ã‚‹ã‚·ãƒ¼ãƒ³ãŒå¢—ãˆã¤ã¤ã‚ã‚Šã¾ã™ã€‚クラウドを活用ã—ã€OSã®é ˜åŸŸã¾ã§ã¯çŸæ™‚é–“ã§æº–å‚™ã§ãるよã†ã«ãªã‚Šã¾ã—ãŸã€‚ミドルウェアやアプリケーションã®è¨å®šã‚‚ã€Chefã‚„Ansibleç‰ã®æ§‹æˆç®¡ç†ãƒ„ールを使ã†æ‰‹æ³•ãŒåºƒã¾ã‚Šã€ä½œæ¥æ™‚é–“ã®çŸç¸®ã‚„æ£ç¢ºæ€§ã®å‘上ãŒå®Ÿç¾ã—ã¦ã„ã¾ã™ã€‚ ã“ã®ã‚ˆã†ã«ã‚¤ãƒ³ãƒ•ãƒ©éƒ¨åˆ†ãŒå‹•çš„ã«å¤‰ã‚ã‚‹ã“ã¨ãŒå½“ãŸã‚Šå‰ã«ãªã‚Šã¤ã¤ã‚る一方ã€é‹ç”¨è¦–点ã§æ–°ã—ã„課題
Consul + Capistrano ã§ã‚ªãƒ¼ã‚±ã‚¹ãƒˆãƒ¬ãƒ¼ã‚·ãƒ§ãƒ³ã•ã›ã¦ã¿ãŸ - log.fstn
ã¯ã˜ã‚ã« Serfã«ç¶šã„ã¦HashiCorpã‹ã‚‰ConsulãŒç™ºè¡¨ã•ã‚Œã¦ã€2ヶ月少々経ã¡ã¾ã—ãŸã€‚ å…¬å¼ã§ã¯ Serf: service discovery and orchestration Consul: service discovery and configuration ã¨è¨€ã£ã¦ã„ã¾ã™ãŒ(http://www.serfdom.io/intro/vs-consul.html)ã€Consulも使ã„æ–¹ã«ã‚ˆã£ã¦ã¯ã‚ªãƒ¼ã‚±ã‚¹ãƒˆãƒ¬ãƒ¼ã‚·ãƒ§ãƒ³ã§ãã‚‹ã‹ãªã¨æ€ã£ã¦ã€è©¦ã—ã¦ã¿ã¾ã—ãŸã€‚ ã¡ãªã¿ã« Serf ã‚„ Consul ã®æœ€è¿‘ã®å‹•å‘ã«ã¤ã„ã¦ã¯ @zembutsu ã•ã‚“ã®è¨˜äº‹ãŒã‚ã‹ã‚Šã‚„ã™ã„ã§ã™ ã”注文ã¯ç›£è¦–自動化ã§ã™ã‹ï¼Ÿ Serfã¨Consulã®è¨˜äº‹ã¾ã¨ã‚ ãã‚‚ãもオーケストレーションã¨ã¯ webサーãƒã‚’proxyã‹ã‚‰è¿½åŠ ã—ãŸã‚ŠæŠœã„ãŸã‚Š webサーãƒã«ãƒ‡ãƒ—ãƒã‚¤ã—ãŸã‚Š 障害ãŒç™ºç”Ÿã—ãŸã‚µãƒ¼ãƒã‚’撤去ã—ãŸã‚Š db
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『ã”注文ã¯ç›£è¦–自動化ã§ã™ã‹ï¼Ÿã€ Serf 㨠Consul を使ã£ã¦é‹ç”¨ã‚’楽ã—ãã™ã‚‹è©± Serf ã¨ã‹ Consul ã¨ã‹èžãã‘ã©ã€ã‚¤ãƒžã‚¤ãƒã‚ã‹ã‚‰ã‚“ï¼ã¨ã„ã†ç–‘å•ã¯ã‚ã‚Šã¾ã›ã‚“ã‹ã€‚ ã©ã®ã‚ˆã†ãªåƒãã‚’ã™ã‚‹ã®ã‹ã‚„ã€ä½¿ã„ã©ã“ã‚ã‚’ã€çš†ã•ã‚“ã¨å…±æœ‰ã—ãŸã„ãªã¨æ€ã£ã¦ã„ã¾ã™ã€‚ 1. ã¯ã˜ã‚ã« 2. 基本編 ・ Serf ・ Consul ・ envconsul 3. 実践編 ・ API é€£æº 4. ã¾ã¨ã‚ July Tech Festa 2014 June 22, 2014, @ AITT Shinagawa, Tokyo, Japan #techfesta #jtf2014 Read less
最近ã®ä»®æƒ³åŒ–界隈を知る：VMWareã‹ã‚‰CoreOSã¾ã§ | å°„æ’ƒã—ã¤ã¤å‰è»¢
仮想化ã®åˆ†é‡Žã¯ã©ã‚“ã©ã‚“ã¨æ–°ã—ã„ã‚‚ã®ãŒå‡ºã¦ãる。全部を実際ã«è©¦ã™ã“ã¨ã¯å‡ºæ¥ãªãã¦ã‚‚ã€ç‹ãŒè‰¯ã•ãã†ãªã‚‚ã®ã«ã¤ã„ã¦ã¯ã€ã©ã†ã„ã†ã‚‚ã®ãªã®ã‹ã‚る程度把æ¡ã—ã¦ãŠããŸã„。最近ã¯ã¡ã‚‡ã£ã¨å¿™ã—ãã¦ã‚ã¾ã‚Šæƒ…å ±åŽé›†ãŒã§ãã¦ãªã‹ã£ãŸã®ã§ã€è¿½ã„ã¤ã“ã†ã¨æ€ã£ã¦ã¡ã‚‡ã£ã¨èª¿ã¹ã¦ã¿ãŸã€‚ ãƒã‚¤ãƒ‘ーãƒã‚¤ã‚¶åž‹ä»®æƒ³åŒ–ã¨ã‚³ãƒ³ãƒ†ãƒŠåž‹ä»®æƒ³åŒ–　仮想マシンã®æ´å²ã‚’ãŸã©ã‚‹ã¨ã€ãƒ¡ã‚¤ãƒ³ãƒ•ãƒ¬ãƒ¼ãƒ ã®æ–¹ã§ã¯éšåˆ†ã¨æ˜”ã‹ã‚‰ä½¿ã‚ã‚Œã¦ã„る技術ã§ã‚ã‚‹ã€ã¨å‡ºã¦ãる。一方ã§ã€x86ã®ä¸–ç•Œã§ã¯ãã‚Œã»ã©æ´å²ã¯é•·ããªãã€1999å¹´ã«ãƒªãƒªãƒ¼ã‚¹ã•ã‚ŒãŸVMwareãŒãŠãらã実用的ãªåˆã®ä»®æƒ³ãƒžã‚·ãƒ³æŠ€è¡“ã ã‚ã†ã€‚ VMWareã¯ãƒã‚¤ãƒ‘ーãƒã‚¤ã‚¶åž‹ä»®æƒ³åŒ–ã¨å‘¼ã°ã‚Œã‚‹æŠ€è¡“ã§ã€ä¸Šã«ä¹—ã‚‹OS（ゲストã¨å‘¼ã°ã‚Œã‚‹ï¼‰ã«å¯¾ã—ã¦ä»®æƒ³çš„ãªãƒãƒ¼ãƒ‰ã‚¦ã‚§ã‚¢ã‚’æä¾›ã™ã‚‹ã€‚ãƒã‚¤ãƒ‘ーãƒã‚¤ã‚¶åž‹ã‚‚ã€ã©ã®ãƒ¬ã‚¤ãƒ¤ã§ä»®æƒ³çš„ãªãƒãƒ¼ãƒ‰ã‚¦ã‚§ã‚¢ã‚’æä¾›ã™ã‚‹ã‹ã§æ›´ã«ç´°åˆ†åŒ–ã•ã‚Œã‚‹ã‚‰ã—ã„ãŒã€ã‚ˆã知らãªã„ã®ã§ã€ã“ã“ã§ã¯ãã“ã¾ã§ã¯è¸ã¿å…¥ã‚‰ãªã„。ãƒã‚¤ãƒ‘
serf-muninã‚’å°Žå…¥ã—ã¦munin-nodeã®ç›£è¦–è¿½åŠ ã€å‰Šé™¤ã‚’自動化ã—㟠- Glide Note
å‰å›žã®ç¶šãã§Serfを触ã£ã¦ã‚‹ã€‚å‰å›žã®ã‚¨ãƒ³ãƒˆãƒªã‚’見ã¦ã€@zembutsuã•ã‚“ãŒä½œã£ã¦ãã‚ŒãŸserf-muninãŒç´ 晴らã—ã‹ã£ãŸã®ã§ã€å¼Šç¤¾ä»•æ§˜ã«è‹¥å¹²ä¿®æ£ã—ã¦å°Žå…¥ã—ãŸã€‚ serf-muninã§munin-nodeã®ç›£è¦–è‡ªå‹•è¿½åŠ /削除 | Pocketstudio.jp log3 Serf-muninãŒè‡ªå‹•ç”Ÿæˆã€å‰Šé™¤ã™ã‚‹ãƒ•ã‚¡ã‚¤ãƒ«ã¯/etc/munin/conf.d/é…下ã§ã€ æ—¢å˜ã®munin環境(/etc/munin/munin.confã¨ã‹)を壊ã™ã“ã¨ãŒãªã„ã¨æ€ã†ã®ã§ã€ã™ãã«è©¦ã™ã“ã¨ãŒå‡ºæ¥ã‚‹ã¨æ€ã†ã€‚ 導入環境㯠CentOS 6.4 Serf 0.2.0 munin-2.0.17 ã§ã€Serfã®èµ·å‹•ã‚³ãƒžãƒ³ãƒ‰ã‚„生æˆã•ã‚Œã‚‹muninã®confã®é–¢ä¿‚上ã€Serf 0.2.0ã¨munin 2.0以上ã¯å¿…é ˆæ¡ä»¶ã«ãªã‚Šã¾ã™ã€‚ serf-muninã®ä»•çµ„ã¿ã®èª¬æ˜Ž 1. web server1ãŒmuninサー
メッセージングツールSerfã‚’EC2ã§ä½¿ã£ã¦ã¿ã‚‹ | DevelopersIO
ã“ã‚“ã«ã¡ã¯ã€æœ›æœˆã§ã™ã€‚ 今日ã¯Serfã¨ã„ã†ãƒ—ãƒãƒ€ã‚¯ãƒˆã‚’触ã£ã¦ã¿ãŸã®ã§ã€å¦ã‚“ã 内容をã¾ã¨ã‚ãŸã„ã¨æ€ã„ã¾ã™ã€‚ Serfã¨ã¯ï¼Ÿ Serfã¯ã‚´ã‚·ãƒƒãƒ—プãƒãƒˆã‚³ãƒ«ã‚’利用ã—ãŸã‚µãƒ¼ãƒé–“ã®ãƒ¡ãƒƒã‚»ãƒ¼ã‚¸ãƒ³ã‚°ãƒ„ールã§ã™ã€‚固定ã®ãƒžã‚¹ã‚¿ãƒ¼ã‚’æŒãŸãšã€ã‚¯ãƒ©ã‚¹ã‚¿ã«å‚åŠ ã—ã¦ã„るノード間ã§é€šä¿¡ã—ã¦æƒ…å ±ã‚’ã‚„ã‚Šã¨ã‚Šã™ã‚‹ã®ãŒç‰¹å¾´ã§ã™ã€‚ Serfã®ç‰¹å¾´ã¨ã—ã¦ã€å…¬å¼ãƒšãƒ¼ã‚¸ã«ã¯ï¼“ã¤ã®ç‰¹å¾´ãŒæŒ™ã’られã¦ã„ã¾ã™ã€‚ メンãƒãƒ¼ã‚·ãƒƒãƒ— : 複数ã®ã‚µãƒ¼ãƒã§ã‚¯ãƒ©ã‚¹ã‚¿ã‚’組ã¿ã€ãƒŽãƒ¼ãƒ‰ãŒè¿½åŠ ã•ã‚ŒãŸã‚Šæ¸›å°‘ã—ãŸã‚Šã—ãŸéš›ã«ã‚¤ãƒ™ãƒ³ãƒˆã‚’発行ã™ã‚‹ã“ã¨ãŒã§ãã‚‹ ä¸å…·åˆæ¤œçŸ¥ã¨ä¿®å¾© : クラスタ内ã®ãƒŽãƒ¼ãƒ‰ã®ç”Ÿæ»ã‚’自動ã§åˆ¤æ–ã—ã€ä¸èª¿ã®ã‚¤ãƒ³ã‚¹ã‚¿ãƒ³ã‚¹ãŒå˜åœ¨ã™ã‚‹ã“ã¨ã‚’知らã›ã‚‹ã‚¤ãƒ™ãƒ³ãƒˆã‚’発行ã™ã‚‹ã“ã¨ãŒã§ãã‚‹ カスタムイベントã®é€šçŸ¥ : ユーザ独自ã®ã‚¤ãƒ™ãƒ³ãƒˆã‚’発行ã—ã€ä»»æ„ã®å‡¦ç†ã‚’è¡Œã‚ã›ã‚‹ã“ã¨ãŒã§ãã‚‹ ã¨ã‚Šã‚ãˆãšå‹•ã‹ã—ã¦ã¿ã‚‹ Amazon Linuxを使ã£ã¦ã€ã¾ãšã¯ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã¨å‹•ä½œç¢ºèªã‚’
Serf+HAProxyã§ä½œã‚‹Automatic Load Balancer - Glide Note
hashicorp/serf Serf Serf使ã£ã¦ã¾ã™ã‹ï¼ã‚µãƒ¼ãƒ•ï¼ 諸事情ã¨ã„ã†ã‹å¤§äººã®äº‹æƒ…ã§æ€¥é½è‡ªå‰ã§ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µã‚’用æ„ã—ãªã„ã¨ã„ã‘ãªãã¦ã€ãれをissueã«æ›¸ã„ã¦ãŸã‚‰ã€ ã‚ã‚“ã¡ã½ã•ã‚“ãŒSerf+HAProxy使ã£ãŸã‚‰ã„ã„ã®ã§ã¯ã€ ã¨IRCã§åŠ©è¨€ã‚’ãã‚Œã¦ã€åŒæ—¥ã®mizzyã•ã‚“ã®ãƒ–ãƒã‚°ã§ã‚‚Serfã«è¨€åŠã—ã¦ã„ãŸã®ã§ã€ ã¡ã‚‡ã£ã¨Serfã®æ¦‚è¦ã‚’知るãŸã‚ã¨ã€Serf+HAProxyãŒå®Ÿéš›ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µã¨ã—ã¦ã©ã‚“ãªæ„Ÿã˜ã«ä½¿ãˆã‚‹ã®ã‹æ¤œè¨¼ã—ã¦ã¿ãŸã€‚ I told @glidenote about a combination of Serf and HAProxy this morning, and he has already implemented the arch. and done investigation… — kentaro (@kentaro) October 29, 2013
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