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Node.js Performance æ”¹å–„ã‚¬ã‚¤ãƒ‰ - from scratch
Node.js Performance æ”¹å–„ã‚¬ã‚¤ãƒ‰ Memory ã®å ´åˆ ãƒ¡ãƒ¢ãƒªãƒªãƒ¼ã‚¯ã‹ã©ã†ã‹ã‚’ç‰¹å®šã™ã‚‹ ãƒ¡ãƒ¢ãƒªãƒªãƒ¼ã‚¯ã§ã¯ãªã„å ´åˆ CPU ã®å ´åˆ ã©ã“ã®å‡¦ç†ã«æ™‚é–“ãŒã‹ã‹ã£ã¦ã„ã‚‹ã®ã‹ã‚’ç¢ºèªã™ã‚‹ v8 simple profiler flame graph ã‚’å–å¾—ã™ã‚‹ File ã®å ´åˆ å¤§ããªã‚µã‚¤ã‚ºã®ãƒ•ã‚¡ã‚¤ãƒ«ã‚’ã©ã†ã—ã¦ã‚‚æ‰±ã†æ™‚ Network ã®å ´åˆ keepalive ã‚’ on ã«ã™ã‚‹ ãã®ä»–: å…¨ä½“çš„ã«ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ã‚’æ”¹å–„ã™ã‚‹ãŸã‚ã«ã‚„ã‚‹ã“ã¨ JIT ãŒåŠ¹ã„ã¦ã„ã‚‹ã‹ã‚’ç¢ºèªã™ã‚‹ clusterãŒä½¿ãˆãªã„ã‹æ¤œè¨Žã™ã‚‹ C++ addons vs JavaScript libraries ã¾ã¨ã‚ å‚è€ƒè³‡æ–™ Node.js Performance æ”¹å–„ã‚¬ã‚¤ãƒ‰ ã“ã®è¨˜äº‹ã¯ Node.js 2 Advent Calender ã® 5æ—¥ç›®ã®è¨˜äº‹ã§ã™ã€‚ qiita.com Node.js ã®ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ã«
SWIMATH2 2018/01/18
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performance

infra
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Container Structure Tests: Unit Tests for Docker Images
The latest news from Google on open source releases, major projects, events, and student outreach programs. Usage of containers in software applications is on the rise, and with their increasing usage in production comes a need for robust testing and validation. Containers provide great testing environments, but actually validating the structure of the containers themselves can be tricky. The Dock
SWIMATH2 2018/01/11
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Docker

infra

test
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SWIMATH2 2017/12/10
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SaaS

infra

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SWIMATH2 2017/12/09
infra
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AWSã®æ–°ã‚µãƒ¼ãƒ“ã‚¹ç¾¤ã«å¯¾ã™ã‚‹ä¸€è¡Œæ‰€æ„Ÿ - ãƒ—ãƒã‚°ãƒ©ãƒžã§ã‚ã‚ŠãŸã„
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SWIMATH2 2017/11/30
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AWS

infra
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Paging indices vs Continuation tokens - Joannes Vermorel's blog
SWIMATH2 2017/11/10
cloud ã§ã®ãƒšãƒ¼ã‚¸ãƒ³ã‚°ã§ã¯ã€ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆã‹ã‚‰é€ã‚‰ã‚Œã‚‹ãƒšãƒ¼ã‚¸ç•ªå·ã«ã‚ˆã‚‹ã‚‚ã®ã‚ˆã‚Šã‚‚ã‚µãƒ¼ãƒãƒ¼å´ã§è¿”ã™continuation tokenã«ã‚ˆã£ã¦åˆ¶å¾¡ã™ã‚‹ã»ã†ãŒã„ã„ã‚‰ã—ã„

infra
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ä»Šã•ã‚‰èžã‘ãªã„ Immutable Infrastructure - æ˜¼ãƒ¡ã‚·ç‰©èªž
Immutable ï¼ˆä¸å¤‰ãªï¼‰ Infrastructure ã¯ã€ã‚µãƒ¼ãƒã‚’ä¸€åº¦ã‚»ãƒƒãƒˆã‚¢ãƒƒãƒ—ã—ãŸã‚‰äºŒåº¦ã¨å¤‰æ›´ã‚’åŠ ãˆãªã„ã¨ã„ã†é‹ç”¨ã‚¹ã‚¿ã‚¤ãƒ«ã®ã“ã¨ã‚’æŒ‡ã—ã¾ã™ã€‚ ã‚¯ãƒ©ã‚¦ãƒ‰ç’°å¢ƒã§ã¯ã€å¿…è¦ã«å¿œã˜ã¦ã™ãã«ã‚µãƒ¼ãƒã‚’ç”¨æ„ã—ã€ä¸è¦ã«ãªã£ãŸã‚‰ç°¡å˜ã«ç ´æ£„ã™ã‚‹ã“ã¨ãŒã§ãã¾ã™ã€‚Immutable Infrastructure ã¯ã€ã“ã®ã‚ˆã†ãªã‚¯ãƒ©ã‚¦ãƒ‰ã®ç‰¹æ€§ã‚’æ´»ã‹ã™é‹ç”¨ã‚¹ã‚¿ã‚¤ãƒ«ã¨ã—ã¦ã€æ³¨ç›®ã•ã‚Œã¤ã¤ã‚ã‚Šã¾ã™ã€‚ èƒŒæ™¯ Immutable Infrastructure ãŒæå”±ã•ã‚ŒãŸèƒŒæ™¯ã«ã‚ã‚‹æŠ€è¡“ã¨ã—ã¦ã€ Auto Scaling ã‚„ Blue-Green Deployment*1 ãªã©ãŒã‚ã‚Šã¾ã™ã€‚ Auto Scaling Auto Scaling ã¯ã€è² è·ã«å¿œã˜ã¦è‡ªå‹•çš„ã«ã‚µãƒ¼ãƒå°æ•°ã‚’å¢—æ¸›ã•ã›ã‚‹æŠ€è¡“ã§ã€ AWS ã§ã¯æ¨™æº–ã§æä¾›ã•ã‚Œã¦ã„ã¾ã™ã€‚å¸¸ã«å¿…è¦ãªå°æ•°ã ã‘èµ·å‹•ã—ã¦ã„ã‚Œã°ã„ã„ã®ã§ã€ã‚³ã‚¹ãƒˆå‰Šæ¸›ã«ãªã‚‹ã¨ã„ã†ã‚‚ã®ã§ã™ã€‚ Auto S
SWIMATH2 2017/09/04
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SWIMATH2 2017/09/04
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SWIMATH2 2017/09/04
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ã“ã“ã‹ã‚‰ã€Devã¨OpsãŒå”åŠ›ã™ã‚Œã°ã‚ˆã‚ŠåŠ¹çŽ‡çš„ã«ãªã‚‹ï¼DevOpsã€ã¨ã„ã†è¨€è‘‰ãŒç”Ÿã¾ã‚Œã¾ã—ãŸã€‚ å½“æ™‚ã¯å¤§ä¼æ¥ã«ãŠã„ã¦ã¯Devã¨OpsãŒåˆ†ã‹ã‚Œã¦ã„ã‚‹ã“ã¨ãŒå½“ãŸã‚Šå‰ã ã£ãŸã®ã§ã™ã€‚ãã—ã¦ã€å¤§ä¼æ¥ã«ãŠã‘ã‚‹å½“ãŸã‚Šå‰ãŒã€å½“ãŸã‚Šå‰ã§ã¯ãªã„ã“ã¨ã«æ°—ä»˜ãå§‹ã‚ã€DevOpsã‚’å®Ÿç¾ã™ã‚‹ãŸã‚ã®ãƒ„ãƒ¼ãƒ«ãŒã§ãå§‹ã‚ãŸã“ã‚ã§ã‚‚ã‚ã‚Šã¾ã™ã€‚ ã§ã¯ãªãœã€å¤§ä¼æ¥ã§ã¯Devã¨OpsãŒåˆ†ã‹ã‚Œã¦ã„ã‚‹ã®ãŒå½“ãŸã‚Šå‰ã ã£ãŸã®ã§ã—ã‚‡ã†ã‹ï¼Ÿ ãƒãƒ¼ãƒ‰ã‚¦ã‚§ã‚¢ã®æ™‚ä»£ãã®æ˜”ã€ç”£æ¥ã®ä¸»å½¹ã¯ãƒãƒ¼ãƒ‰ã‚¦ã‚§ã‚¢ã§ã—ãŸã€‚ ãã®ãŸã‚ã€å¤šãã®ä¼æ¥ã¯ãƒãƒ¼ãƒ‰ã‚¦ã‚§ã‚¢ã‚’ä½œã‚‹ã“ã¨ã«å¯¾ã—ã¦æœ€é©åŒ–ãŒè¡Œã‚ã‚Œã¾ã—ãŸã€‚ ãƒãƒ¼ãƒ‰ã‚¦ã‚§ã‚¢ã«ã¯ç ”ç©¶é–‹ç™ºã€è£½é€ ã€é‹ç”¨ã‚µãƒãƒ¼ãƒˆã¨ã„ã£ãŸå¤§ããªåŒºåˆ†ã‘ãŒå˜åœ¨ã—ã¾ã™ã€‚ãã—ã¦ã€ãã‚Œãžã‚Œã®ä»•äº‹ã«ãŠã„ã¦è¦æ±‚ã™ã‚‹äººæãƒ¬ãƒ™ãƒ«ã¯ç•°ãªã‚Šã¾ã™ã€‚ åŠ ãˆã¦ã€å¤§é‡ç”Ÿç”£ã•ã‚ŒãŸè£½å“ã®é‹ç”¨ã‚µãƒãƒ¼ãƒˆï¼ˆè¨ç½®ä½œæ¥å“¡ã€ã‚µãƒãƒ¼ãƒˆã‚»ãƒ³ã‚¿ï¼‰ã«ã¯ã€å¤§é‡ã®äººå“¡ãŒå¿…è¦ã«ãªã£ã¦ãã¾ã™ã€‚ ã—ãŸãŒã£ã¦ã€çµ„ç¹”ã‚’ç ”ç©¶
SWIMATH2 2017/09/04
DevOpsã®ç†å¿µãŒã¨ã¦ã‚‚åˆ†ã‹ã‚Šã‚„ã™ã„ã€‚ã¨ã“ã‚ã©ã“ã‚æ—¥æœ¬ä¼æ¥ã®é—‡ãŒæ¼ã‚Œã¦ã„ã¦ã¤ã‚‰ããªã‚‹

DevOps

infra
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10+ Deploys Per Day: Dev and Ops Cooperation at Flickr
Communications and cooperation between development and operations isn't optional, it's mandatory. Flickr takes the idea of "release early, release often" to an extreme - on a normal day there are 10 full deployments of the site to our servers. This session discusses why this rate of change works so well, and the culture and techno logy needed to make it possible.Read less
SWIMATH2 2017/09/04
DevOpsã®å§‹ã¾ã‚Šçš„ãªã‚¹ãƒ©ã‚¤ãƒ‰ã‚‰ã—ã„ã€‚æŠ€è¡“çš„ãªè©±ã¨ç”Ÿæ´»ä¸Šã®è©±ãŒã‚ã£ã¦ã‚¨ãƒ¢ã„

DevOps

infra
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12 Factor App - ãƒ¢ãƒ€ãƒ³ãªã‚µãƒ¼ãƒ“ã‚¹é‹å–¶ã«å¿…è¦ãª12ã®ã‚¤ãƒ³ãƒ•ãƒ©çš„è¦ç´ - Qiita
Deleted articles cannot be recovered. Draft of this article would be also deleted. Are you sure you want to delete this article? çš†ã•ã‚“ã¯ã€The Tweleve-Factor Appã‚’ã”å˜çŸ¥ã ã‚ã†ã‹ï¼Ÿ ã“ã‚Œã¯Herokuã®ä¸ã®äººãŒæ›¸ã„ãŸã€Webã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã‚’ä½¿ã„ã‚„ã™ã„å½¢ã§ã‚¹ã‚±ãƒ¼ãƒ©ãƒ–ãƒ«ã«ã™ã‚‹ãŸã‚ã®æ–¹æ³•è«–ã§ã‚ã‚‹ã€‚ç°¡å˜ã«ã„ãˆã°ã‚³ãƒ³ãƒ†ãƒŠã§å‹•ã‹ã—ãŸã„ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ãŒå®ˆã£ã¦ãŠãã¨ã‚ˆã„ãƒ¬ã‚·ãƒ”é›†ã§ã‚ã‚‹ã¨è¨€ãˆã‚‹ã€‚ http://12factor.net/ (æ—¥æœ¬èªžè¨³) ä»Šå›žã“ã‚Œã‚’å–ã‚Šä¸Šã’ãŸèƒŒæ™¯ã¨ã—ã¦ã¯ã€å®Ÿã¯Dockerã‚³ãƒ³ãƒ†ãƒŠã‚’ãƒ¡ã‚¤ãƒ³ã«ã—ãŸæœ¬ç•ªã§ã®ã‚¤ãƒ³ãƒ•ãƒ©é‹ç”¨ã‚’è€ƒãˆãŸæ™‚ã«ã€ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ãŒã“ã®12ã®è¦ç´ ã‚’æº€ãŸã—ã¦ã„ã‚‹ã“ã¨ãŒé‡è¦ã ã¨æœ€è¿‘ã²ã—ã²ã—æ„Ÿã˜ã¦ã„ã‚‹ã‹ã‚‰ã€‚ å®Ÿéš›ã€è‡ªåˆ†ãŒ
SWIMATH2 2017/08/27
infra
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The Twelve-Factor App ï¼ˆæ—¥æœ¬èªžè¨³ï¼‰
ã¯ã˜ã‚ã« ç¾ä»£ã§ã¯ã€ã‚½ãƒ•ãƒˆã‚¦ã‚§ã‚¢ã¯ä¸€èˆ¬ã«ã‚µãƒ¼ãƒ“ã‚¹ã¨ã—ã¦æä¾›ã•ã‚Œã€Webã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ ã‚„ Software as a Service ã¨å‘¼ã°ã‚Œã‚‹ã€‚Twelve-Factor Appã¯ã€æ¬¡ã®ã‚ˆã†ãªSoftware as a Serviceã‚’ä½œã‚Šä¸Šã’ã‚‹ãŸã‚ã®æ–¹æ³•è«–ã§ã‚ã‚‹ã€‚ ã‚»ãƒƒãƒˆã‚¢ãƒƒãƒ—è‡ªå‹•åŒ–ã®ãŸã‚ã« å®£è¨€çš„ãª ãƒ•ã‚©ãƒ¼ãƒžãƒƒãƒˆã‚’ä½¿ã„ã€ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆã«æ–°ã—ãåŠ ã‚ã£ãŸé–‹ç™ºè€…ãŒè¦ã™ã‚‹æ™‚é–“ã¨ã‚³ã‚¹ãƒˆã‚’æœ€å°åŒ–ã™ã‚‹ã€‚ ä¸‹å±¤ã®OSã¸ã® ä¾å˜é–¢ä¿‚ã‚’æ˜Žç¢ºåŒ– ã—ã€å®Ÿè¡Œç’°å¢ƒé–“ã§ã® ç§»æ¤æ€§ã‚’æœ€å¤§åŒ– ã™ã‚‹ã€‚ ãƒ¢ãƒ€ãƒ³ãª ã‚¯ãƒ©ã‚¦ãƒ‰ãƒ—ãƒ©ãƒƒãƒˆãƒ•ã‚©ãƒ¼ãƒ ä¸Šã¸ã® ãƒ‡ãƒ—ãƒã‚¤ ã«é©ã—ã¦ãŠã‚Šã€ã‚µãƒ¼ãƒãƒ¼ç®¡ç†ã‚„ã‚·ã‚¹ãƒ†ãƒ ç®¡ç†ã‚’ä¸è¦ãªã‚‚ã®ã«ã™ã‚‹ã€‚ é–‹ç™ºç’°å¢ƒã¨æœ¬ç•ªç’°å¢ƒã® å·®ç•°ã‚’æœ€å°é™ ã«ã—ã€ã‚¢ã‚¸ãƒªãƒ†ã‚£ã‚’æœ€å¤§åŒ–ã™ã‚‹ ç¶™ç¶šçš„ãƒ‡ãƒ—ãƒã‚¤ ã‚’å¯èƒ½ã«ã™ã‚‹ã€‚ ãƒ„ãƒ¼ãƒ«ã€ã‚¢ãƒ¼ã‚ãƒ†ã‚¯ãƒãƒ£ã€é–‹ç™ºãƒ—ãƒ©ã‚¯ãƒ†ã‚£ã‚¹ã‚’å¤§å¹…ã«å¤‰æ›´ã™ã‚‹ã“ã¨ãªã ã‚¹ã‚±ãƒ¼ãƒ«ã‚¢ãƒƒãƒ— ã§ãã‚‹ã€‚ Twelve-F
SWIMATH2 2017/08/27
infra
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