Implementing Raft: Part 0 - Introduction - Eli Bendersky's website
This is the first post in a multi-part series describing the Raft distributed consensus algorithm and its complete implementation in Go. Here is a complete list: Part 0: Introduction (this post) Part 1: Elections Part 2: Commands and log replication Part 3: Persistence and optimizations Raft is a relatively new algorithm (2014), but it's already being used quite a bit in industry. The best known e
Kubernetes High Availability: No Single Point of Failure
Should GET and POST be the only HTTP request methods used by developers?
http://cloudgeekz.com/1176/deployment-considerations-for-etcd-in-production-kubernetes-clusters.html
Tokyoリージョンã«3 AZã»ã—ã„〜H/Aãªetcd on CoreOSクラスタã®ãƒ¡ãƒ³ãƒ†ãƒ³ãƒŠãƒ³ã‚¹ã‚’自動化ã—ãŸã„ - Qiita
Kubernetesクラスタをé‹ç”¨ã™ã‚‹ã¨ã„ã†ã“ã¨ã¯ã€etcdクラスタもé‹ç”¨ã™ã‚‹ã“ã¨ã«ãªã‚Šã¾ã™ã‚ˆã1 ã¨ã“ã‚ãŒã€H/Aãªetcdクラスタを楽ã«é‹ç”¨ã™ã‚‹ãŸã‚ã«ã¯ã©ã†ã—ãŸã‚‰ã„ã„ã®ã‹ã€ã¨ã„ã†ã¾ã¨ã¾ã£ãŸæƒ…å ±ãŒãªã‹ã£ãŸã®ã§ã€ã“ã“ã«æ›¸ã„ã¦ã„ãã¾ã™ã€‚ TL;DR; 色々調ã¹ãŸã‚Šèªã‚“ã ã‚Šã—ãŸçµæžœã€è‹±èªžãŒå¤§ä¸ˆå¤«ãªã‚‰ä»¥ä¸‹ã®ãƒ–ãƒã‚°ã‚’èªã‚€ã®ãŒä¸€ç•ªã‚ˆã„ã¨æ€ã„ã¾ã—ãŸã€‚ Building a Robust etcd cluster in AWS · crewjam.com etcdã«ãŠã‘ã‚‹H/Aã¨ã¯? 最低ã§ã‚‚èªã¿æ›¸ããŒNetwork Parittionã«è€ãˆã‚‰ã‚Œã‚‹ã‚ˆã†ã«1 node * 3リージョンã®æ§‹æˆã§ã€5ã€7ã€9ã®ã‚ˆã†ã«ã©ã†éšœå®³ãŒèµ·ãã¦ã‚‚スプリットブレーンã«ãªã‚‰ãªã„ノード数 メンテナンスã¨ã¯? CoreOSã®è‡ªå‹•ã‚¢ãƒƒãƒ—デート ã‚ãˆã¦ç„¡åŠ¹åŒ–ã—ãªã‘ã‚Œã°ã€è¨å®šã—ãŸã‚¿ã‚¤ãƒŸãƒ³ã‚°ã§è‡ªå‹•ãƒªãƒ–ートã•ã‚Œã‚‹ 自動リブートã®ã¨ãã«ãƒ€ã‚¦
［入門編］etcdã§ã‚¯ãƒ©ã‚¹ã‚¿ã‚’構築ã™ã‚‹ - Qiita
ã¯ã˜ã‚ã« etcdã«ã¯ã€ã‚らã‹ã˜ã‚マシン数ãŒæ±ºã¾ã£ã¦ã„ã‚‹å ´åˆã«é™çš„ã«ã‚¯ãƒ©ã‚¹ã‚¿ã‚’組む方法ã¨Discoveryã¨å‘¼ã°ã‚Œã¦ã„ã‚‹å‹•çš„ã«ã‚¯ãƒ©ã‚¹ã‚¿ã‚’組む方法ã®2パターンãŒã‚ã‚Šã¾ã™ãŒã€ã“ã“ã§ã¯é™çš„ã«ã‚¯ãƒ©ã‚¹ã‚¿ã‚’組む方法を説明ã—ã¾ã™ã€‚ etcdãƒãƒ¼ã‚¸ãƒ§ãƒ³2を使用ã—ã¾ã™ã€‚cloud-config.ymlを使ã£ã¦æ§‹ç¯‰ã—ã¾ã™ã€‚ CoreOSã®å…¬å¼ãƒ‰ã‚ュメントã¯ã“ã¡ã‚‰ã§ã™ã€‚ ãƒãƒ¼ãƒˆã«é–¢ã—㦠etcdã¯ã€åŸºæœ¬çš„ãªé€šä¿¡ã«ãƒãƒ¼ãƒˆ2379番を使ã„ã€ã‚¯ãƒ©ã‚¹ã‚¿ã¨ã—ã¦ã®é€šä¿¡ã«ã¯ãƒãƒ¼ãƒˆ2380番を使ã„ã¾ã™ã€‚å‰ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã§ã¯ãã‚Œãžã‚Œ4001番ã€7001番ãŒä½¿ã‚ã‚Œã¦ã„ã¾ã—ãŸã€‚CoreOSã®å…¬å¼ãƒ‰ã‚ュメントを見るã¨ã€cloud-config.ymlã®èª¬æ˜Žãªã©ã®å ´åˆã«ã€4001, 7001ã®è¨˜è¿°ãŒã‚ã‚Šã¾ã™ãŒã€etcdãƒãƒ¼ã‚¸ãƒ§ãƒ³ï¼’を使用ã™ã‚‹å ´åˆã«ã¯ã€4001, 7001ã®è¨˜è¿°ã¯å¿…è¦ã‚ã‚Šã¾ã›ã‚“。 フラグã«é–¢ã—㦠cloud-config.ym
etcdç·é¸æŒ™ã‚’眺ã‚ã¦ã¿ã‚‹ - Qiita
Deleted articles cannot be recovered. Draft of this article would be also deleted. Are you sure you want to delete this article? ##ã¯ã˜ã‚ã« (2015/09/20追記) åˆå‡ºæ™‚ã¯v0.3.0ãらã„ã ã£ãŸetcdも今ã®æœ€æ–°ã¯2.2.0。起動時ã®ã‚ªãƒ—ションやAPIã‚‚éžäº’æ›ãªå½¢ã§å¤‰ã‚ã£ã¦ã—ã¾ã£ã¦ã„ã‚‹ã®ã§ã€æœ€æ–°ã«åˆã‚ã›ã¦ãŠè©¦ã—部分を少ã—ä¿®æ£ã€‚(@takiuchiã•ã‚“ã€ã”指摘ã‚ã‚ŠãŒã¨ã†ã”ã–ã„ã¾ã™) ##etcdã¨Raft etcdã¯CoreOSã§ä½¿ã‚ã‚Œã¦ã„る軽é‡KVSã§ã€Configurationãªã©ã®æƒ…å ±ã‚’è¤‡æ•°ã®ãƒžã‚·ãƒ³é–“ã§å…±æœ‰ã§ãるよã†ã«ã™ã‚‹ä»•çµ„ã¿ã¿ãŸã„。/etcã«ç½®ã‹ã‚ŒãŸè¨å®šãƒ•ã‚¡ã‚¤ãƒ«ã®ç½®ãæ›ãˆçš„ãªæ„味åˆã„㧠"etc" daemonãªã®ã‹ãªã¨æ€ã£ãŸãŒã€èªžæºã‚’発見ã§ã
CoreOSã«å…¥é–€ã—ãŸ
CoreOS is Linux for Massive Server Deployments · CoreOS CoreOS + Docker Meetup Tokyo #1ã«å‚åŠ ã—ã¦CoreOSã«ã‚ã£ã¡ã‚ƒæ„Ÿå‹•ã—ãŸã®ã§ï¼ŒCoreOSã«å…¥é–€ã—ã¦ã„ã‚ã„ã‚触ã£ã¦ã¿ãŸï¼Ž ã¾ãšï¼ŒCoreOSã®æ¦‚è¦ã¨ãれを支ãˆã‚‹æŠ€è¡“ã«ã¤ã„ã¦èª¬æ˜Žã™ã‚‹ï¼Žæ¬¡ã«å®Ÿéš›ã«DigitalOcenan上ã«Vagrantを使ã£ã¦å®Ÿéš›ã«CoreOSクラスタを立ã¦ã¦ï¼ŒCoreOSã§éŠã¶æ–¹æ³•ã«ã¤ã„ã¦æ›¸ã． CoreOSã¨ã¯ä½•ã‹ CoreOSã¯ï¼ŒGoogleã‚„Facebook，Twitterã¨ã„ã£ãŸä¼æ¥ãŒå®Ÿç¾ã—ã¦ã„る柔軟ã‹ã¤ã‚¹ã‚±ãƒ¼ãƒ©ãƒ–ル，è€éšœå®³æ€§ã®é«˜ã„インフラã®æ§‹ç¯‰ã‚’目的ã¨ã—ãŸLinuxディストリビューションã§ã‚る．軽é‡ã‹ã¤ä½¿ã„æ¨ã¦ã‚’å‰æã«ã—ã¦ãŠã‚Šï¼Œã‚¯ãƒ©ã‚¦ãƒ‰ãªã‚¢ãƒ¼ã‚テクãƒãƒ£ã®ãƒ™ã‚¹ãƒˆãƒ—ラクティスをå–り入れã¦ã„る．CoreOSã®ç‰¹å¾´ã¯å¤§ãã4ã¤æŒ™
CoreOS 入門 - Qiita
Deleted articles cannot be recovered. Draft of this article would be also deleted. Are you sure you want to delete this article? CoreOS 入門 CoreOS 㯠Alex Polvi ãŒè¨ç«‹ã—ãŸä¼šç¤¾ã§ã‚ã‚Šã€OSã€æ–°ã—ã„ Linux Distribution ã§ã‚る。OSS ã§å…¬é–‹ã•ã‚Œã¦ã„る。 Polvi æ°ã¨ã„ãˆã° Rackspace ã« è²·åŽã•ã‚ŒãŸ CloudKick ã‚’ç«‹ã¡ä¸Šã’ã€ãã®å¾Œã‚‚ Rackspace åƒã„ã¦ã„ãŸã‚¯ãƒ©ã‚¦ãƒ‰ã®å°‚門家ã¨ã‚‚言ãˆã‚‹ã ã‚ã†ã€‚ ãã® Polvi æ°ä»¥å¤–ã«ã‚‚ Googler ã‚„ Linux 関連ã®äººæã€ã‚¢ãƒ‰ãƒã‚¤ã‚¶ãƒ¼ã« Linux ã® stable branch ã®ãƒ¡ãƒ³ãƒ†ãƒŠ ã‚’è¿Žãˆã‚‹ãªã©ã€Linux ã«é–¢ã™ã‚‹çŸ¥è˜ãŒã‹ãªã‚Šè±Šå¯Œãªãƒ¡ãƒ³ãƒ
CoreOS ãŒæä¾›ã—ã¦ãれるも㮠- Qiita
CoreOS ã®æä¾›ã—ã¦ãれる etcd 㨠fleet ã‚’å°‘ã—触ã£ã¦è¦‹ãŸã®ã§ã¾ã¨ã‚ã‚‹ã“ã¨ã«ã—ã¾ã™ã€‚ ã‚ã‚“ã¾ã‚Šé ‘å¼µã£ã¦ CoreOS ã®ãƒ‰ã‚ュメントをèªã‚“ã§ã„ãªã„ã®ã§ç†è§£ã«é–“é•ã„ãŒã‚ã‚‹å¯èƒ½æ€§ãŒã‚ã‚‹ã®ã§ã€ç·¨é›†ãƒªã‚¯ã‚¨ã‚¹ãƒˆå¤§æ“è¿Žã§ã™ã€‚ 詳細ãªã‚¨ãƒ³ãƒˆãƒªãƒ¼ @mopemope ãŒæ›¸ã„ã¦ãã‚Œã¦ã„ã¾ã™ã€‚詳細ã«çŸ¥ã‚ŠãŸã„æ–¹ã¯ã‚³ãƒãƒ©ã‚’èªã‚€ã¨è‰¯ã„ã§ã™ã€‚ 入門ã¨æ›¸ã„ã¦ã‚る割ã«ã¾ã£ãŸã入門ã§ã¯ãªã„ã®ã§æ³¨æ„。 CoreOS 入門 - Qiita CoreOS 㯠Docker ã‚’æä¾›ã—ã¦ãれる便利 OS ã¨ã„ã†ã‚¤ãƒ¡ãƒ¼ã‚¸ãŒåºƒã¾ã£ã¦ã¾ã™ãŒã€ãã‚Œã¯ã‚ã¾ã‚Šé©åˆ‡ã§ã¯ã‚ã‚Šã¾ã›ã‚“。 CoreOS ã¯ã‚¯ãƒ©ã‚¹ã‚¿ãƒ¼æ©Ÿèƒ½ã‚’æŒã£ã¦ã„るモダン㪠Linux ã§ã™ã€‚ã‚‚ã¡ã‚ã‚“ Docker ã‚‚å…¥ã£ã¦ã„ã¾ã™ãŒã€ãã‚Œã¯ãƒ™ãƒ¼ã‚¹ã®ä¸€ã¤ã¨ã„ã†ã ã‘ã§ã™ã€‚Docker を使ã†ã ã‘ãªã‚‰ Ubuntu ã« Docker をインストールã—ã¦ä½¿ã†æ–¹ãŒè‰¯ã„ã§ã—ょã†ã€‚ C
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‘
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