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performanceã«é–¢ã™ã‚‹peketaminã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (26)

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Web performance checklist
A new tool that blends your everyday work apps into one. It's the all-in-one workspace for you and your team
peketamin 2020/04/02
performance
ãƒªãƒ³ã‚¯
GitHub - matsuu/kataribe: Access log profiler based on response time
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peketamin 2015/09/28
golang

apache

nginx

performance

tuning
ãƒªãƒ³ã‚¯
High Performance Backend For Mercari
Handling a tremendous amount of images with Fastly / Yamagoya Traverse 2020
peketamin 2015/03/21
golang

performance

nginx

php

ãƒ¡ãƒ«ã‚«ãƒª
ãƒªãƒ³ã‚¯
Goã§ã‚¢ãƒã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã«æ°—ã‚’ã¤ã‘ãŸã‚³ãƒ¼ãƒ‰ã‚’æ›¸ãæ–¹æ³• : DSASé–‹ç™ºè€…ã®éƒ¨å±‹
Goã¯Pythonã®ã‚ˆã†ãªLLã¨æ¯”ã¹ã‚‹ã¨å®Ÿè¡Œé€Ÿåº¦ã¯é€Ÿã„ã®ã§ã™ãŒã€GCã¯ç‰¹åˆ¥é€Ÿã„ã‚ã‘ã§ã¯ãªã„ã®ã§ã€ç›¸å¯¾çš„ã«GCãŒãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ã«ä¸Žãˆã‚‹å½±éŸ¿ã¯å¤§ãããªã‚Šã¾ã™ã€‚ ã¾ãŸã€Java ã«æ¯”ã¹ã‚‹ã¨ã€ä¸€æ™‚ã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆãªã©ã®ãŸã‚ã«é »ç¹ã«ãƒ’ãƒ¼ãƒ—ã‚¢ãƒã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã‚’è¡Œã†ã¨GCã®åœæ¢æ™‚é–“ãŒé•·ããªã‚ŠãŒã¡ã§ã™ãŒã€ä¸€æ–¹ã§ãƒ’ãƒ¼ãƒ—ã‚¢ãƒã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã‚’é¿ã‘ãŸãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ãŒã—ã‚„ã™ã„è¨€èªžã§ã‚‚ã‚ã‚Šã¾ã™ã€‚ MySQL ãƒ‰ãƒ©ã‚¤ãƒã®ã‚ˆã†ãªä½Žãƒ¬ã‚¤ãƒ¤ãƒ¼ã®ãƒ©ã‚¤ãƒ–ãƒ©ãƒªã‚’ä½œã‚‹å ´åˆã€ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³å´ã®æ€§èƒ½è¦ä»¶ã‚’å‹æ‰‹ã«æ±ºã‚ã‚‹ã“ã¨ãŒã§ããªã„ã®ã§ã€ç¾å®Ÿçš„ãªç¯„å›²ã§ã‚¢ãƒã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã‚’æ¸›ã‚‰ã™åŠªåŠ›ã‚’ã™ã‚‹ã¹ãã§ã™ã€‚ ã¨ã„ã†ã“ã¨ã§ã€å‰å›žã®è¨˜äº‹ ã§ç´¹ä»‹ã—ãŸãƒ—ãƒ¬ãƒ¼ã‚¹ãƒ›ãƒ«ãƒ€ç½®æ›ã‚’å®Ÿè£…ã™ã‚‹ã«ã‚ãŸã£ã¦çµŒé¨“ã—ãŸã€ã‚¢ãƒã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã«æ°—ã‚’ä½¿ã£ãŸãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã«ã¤ã„ã¦ã€ãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°ã™ã‚‹æ‰‹é †ã‚„ã‚³ãƒ¼ãƒ‰ä¸Šã®ãƒ†ã‚¯ãƒ‹ãƒƒã‚¯ã‚’ç´¹ä»‹ã—ãŸã„ã¨æ€ã„ã¾ã™ã€‚ 1. ã¾ãšã¯æ£ã—ãå‹•ãã‚‚ã®ã‚’ä½œã‚‹ go-sql-driv
peketamin 2015/02/18
performance

golang

ãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°

GC
ãƒªãƒ³ã‚¯
GitHub - satori-com/tcpkali: Fast multi-core TCP and WebSockets load generator.
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peketamin 2015/02/11
tcp

websocket

performance
ãƒªãƒ³ã‚¯
Make the Web Faster Â |Â Google for Developers
Discover tools and information to help you build high-performance websites.
peketamin 2014/12/21
SEO

performance
ãƒªãƒ³ã‚¯
PHPã‚³ãƒ³ãƒ‘ã‚¤ãƒ«ã«ã‚ˆã‚‹é«˜æ€§èƒ½ã®FastCGIã‚¦ã‚§ãƒ–ã‚µãƒ¼ãƒãƒ¼æ§‹ç¯‰ã¨ãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°ã«é–¢ã™ã‚‹ãŠè©±ã—(1) - LIFULL Creators Blog
ã“ã‚“ã«ã¡ã¯ã€‚æ–°è¦äº‹æ¥æœ¬éƒ¨ãƒ»é‡‘èžã‚°ãƒ«ãƒ¼ãƒ—ã®é‡‘ï¼ˆæˆå¥‰ï¼‰ã§ã™ã€‚ å‰å›žã¯é«˜æ€§èƒ½GISå°‚ç”¨ã®PostgreSQLãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã‚µãƒ¼ãƒãƒ¼ã®æ§‹ç¯‰ã«ã¤ã„ã¦è©±ã—ã¾ã—ãŸãŒã€ä»Šå›žã¯FastCGIåŸºç›¤ã‚¦ã‚§ãƒ–ã‚µãƒ¼ãƒãƒ¼ã®PHPã‚³ãƒ³ãƒ‘ã‚¤ãƒ«æ§‹ç¯‰ã€ãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°ã€è¨å®šãªã©ã«ã¤ã„ã¦ãŠè©±ã—ãŸã„ã¨æ€ã„ã¾ã™ã€‚å†…å®¹ã®ç¯„å›²ãŒåºƒãã€é•·æ–‡ã«ãªã£ã¦ã„ã‚‹ãŸã‚ã€ï¼“å›žã«åˆ†ã‘ã¦æŠ•ç¨¿ã—ã¾ã™ã€‚ PHPã¯ã€ã»ã¨ã‚“ã©ã®ãƒ¢ã‚¸ãƒ¥ãƒ¼ãƒ«ãŒã‚³ãƒ³ãƒ‘ã‚¤ãƒ«ã•ã‚Œã‚‹ã‚ˆã†ãªæ§‹æˆã¨ãªã£ã¦ã„ã¾ã™ã€‚ãŠã¾ã‘ã«GISé–¢é€£ã®ãƒ‡ãƒ¼ã‚¿ã‚’æ‰±ã†ã“ã¨ã®ã§ãã‚‹GEOSã‚¨ã‚¯ã‚¹ãƒ†ãƒ³ã‚·ãƒ§ãƒ³ã®è¿½åŠ ãªã©ã«ã‚‚è§¦ã‚Œã¦ã„ã¾ã™ã€‚ ã‚¦ã‚§ãƒ–ã‚µãƒ¼ãƒãƒ¼ã¯ã€Apacheã¨Nginxã«ãªã‚Šã¾ã™ãŒã€Nginxã®ã‚³ãƒ³ãƒ‘ã‚¤ãƒ«æ§‹ç¯‰æ–¹æ³•ã«ã¤ã„ã¦ã‚‚èª¬æ˜Žã—ã¾ã™ã€‚ç‰¹ã«Apacheã§PHPã‚’é‹ç”¨ã™ã‚‹éš›ã€æœ€ã‚‚åŠ¹çŽ‡ã‚ˆã„æ§‹æˆã¯ãªã‚“ã ã‚ã†ã¨é–‹ç™ºã‚„ã‚¤ãƒ³ãƒ•ãƒ©æ‹…å½“ã®æ–¹ã¯ãã£ã¨æ‚©ã‚“ã ã“ã¨ãŒã‚ã‚‹ã‹ã¨æ€ã„ã¾ã™ã€‚Apacheã¨PHPã‚’ã©ã®ã‚ˆã†ãªæ§‹æˆã¨è¨å®šã§é‹ç”¨ã™ã‚Œã°ã€é«˜ã„ãƒ‘
peketamin 2014/09/25
Webã‚µãƒ¼ãƒ

performance

PHP
ãƒªãƒ³ã‚¯
HTTPãƒªã‚¯ã‚¨ã‚¹ãƒˆã‚’æ¸›ã‚‰ã™ãŸã‚ã«ã€çµ‚ç« ã€‘æˆ‘ã€…ã«ã¯1000msã®çŒ¶äºˆã—ã‹æ®‹ã•ã‚Œã¦ã„ãªã„
ã“ã®ã‚·ãƒªãƒ¼ã‚ºã¯HTTPãƒªã‚¯ã‚¨ã‚¹ãƒˆã®ç†è§£ã‚’é€šã˜ã¦Webãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ã®é‡è¦æ€§ã«ã¤ã„ã¦è€ƒãˆã‚‹5ç« æ§‹æˆã«ãªã£ã¦ã„ã‚‹ã€‚ ã€åºç« ã€‘HTTPãƒªã‚¯ã‚¨ã‚¹ãƒˆã¯ç”˜ãˆ ã€CSS Spriteç·¨ã€‘ã‚¹ãƒ—ãƒ©ã‚¤ãƒˆåœ°ç„ã‹ã‚‰ã®è§£æ”¾ ã€WebFontç·¨ã€‘ãƒ‰ãƒ©ãƒƒã‚°ï¼†ãƒ‰ãƒãƒƒãƒ—ã—ã¦ã‚³ãƒžãƒ³ãƒ‰å©ã„ã¦ã‚¦ã‚§ãƒ¼ã‚¤ ã€DataURIç·¨ã€‘é…å»¶ãƒãƒ¼ãƒ‰ã§ãƒ¬ãƒ³ãƒ€ãƒªãƒ³ã‚°ãƒ–ãƒãƒƒã‚¯ã‚’å›žé¿ ã€çµ‚ç« ã€‘æˆ‘ã€…ã«ã¯1000msã®çŒ¶äºˆã—ã‹æ®‹ã•ã‚Œã¦ã„ãªã„ æœ€çµ‚æ—¥ã¯ã€æˆ‘ã€…ãƒ•ãƒãƒ³ãƒˆã‚¨ãƒ³ãƒ‰ãƒ‡ãƒ™ãƒãƒƒãƒ‘ãƒ¼ã«èª²ã›ã‚‰ã‚ŒãŸç†æƒ³ã¨ç¾å®Ÿã®ã¯ã–ã¾ã«ã¤ã„ã¦å†·é™ã¨æƒ…ç†±ã®ã‚ã„ã ã‚‰ã¸ã‚“ã§è€ƒãˆã¦ã„ãã€‚ã¾ãšã¯ä¸‹è¨˜ã®ãƒ–ãƒã‚°ã‚’èªã‚“ã§ã‚‚ã‚‰ã„ãŸã„ã€‚ Google ã‚¦ã‚§ãƒ–ãƒžã‚¹ã‚¿ãƒ¼å‘ã‘å…¬å¼ãƒ–ãƒã‚°: ã‚¹ãƒžãƒ¼ãƒˆãƒ•ã‚©ãƒ³ã‚µã‚¤ãƒˆã®èªã¿è¾¼ã¿é€Ÿåº¦ã‚’æ”¹å–„ã™ã‚‹ãŸã‚ã« ã¾ãèªã¾ãªãã¦ã‚‚ã„ã„ã®ã ãŒã€ã“ã“ã§è¿°ã¹ã‚‰ã‚Œã¦ã„ã‚‹é‡è¦ãªã“ã¨ã¯2ã¤ã€‚ ãƒ¢ãƒã‚¤ãƒ«ã®å¹³å‡èªã¿è¾¼ã¿æ™‚é–“ã¯7ç§’ ã—ã‹ã—ã€ãƒ¦ãƒ¼ã‚¶ãƒ¼ã¯1ç§’æœªæº€ã‚’æ±‚ã‚ã¦ã„ã‚‹ å¹³å‡èªã¿è¾¼ã¿æ™‚é–“ã®7ç§’ã¨ã„
peketamin 2013/08/23
é«˜é€ŸåŒ–

performance
ãƒªãƒ³ã‚¯
SpotInstanceã¨JMeterã‚’ä½¿ã£ã¦400ä¸‡req/minã®è² è·è©¦é¨“ã‚’è¡Œã† | DevelopersIO
Apache JMeterã®Master/Slaveæ§‹æˆ ã‚·ãƒŠãƒªã‚ªã‚’ç”¨ã„ãŸè² è·è©¦é¨“ã¨ã„ãˆã°JMeterã¨ã„ã†ã“ã¨ã§ã€ä½¿ã£ãŸã“ã¨ãŒã‚ã‚‹æ–¹ã‚‚å¤šã„ã‹ã¨æ€ã„ã¾ã™ã€‚ã—ã‹ã—ã€ã»ã¨ã‚“ã©ã®æ–¹ã¯è‡ªåˆ†ã®PCã‚’ä½¿ã£ã¦ã‚„ã£ã¦ã„ã‚‹ç¨‹åº¦ã§ã¯ãªã„ã§ã—ã‚‡ã†ã‹ã€‚æœ€è¿‘ã¯ã€ã‚¹ãƒžãƒ›é€£å‹•ã®ã‚·ã‚¹ãƒ†ãƒ ãŒå¤šããªã£ã¦ãã¦ã„ã¾ã™ã®ã§ã€1å°ã®PCã‹ã‚‰è² è·ã‚’æŽ›ã‘ãŸã¨ã—ã¦ã‚‚å¤§ã—ãŸè² è·è©¦é¨“ã«ãªã‚Šã¾ã›ã‚“ã€‚ãã“ã§ã€ä»Šå›žã¯JMeterã‚’Master/Slaveã®ã‚¯ãƒ©ã‚¹ã‚¿ãƒ¼æ§‹æˆã«ã—ã¦ãƒ‰ã‚«ãƒ¼ãƒ³ã¨åŒæ™‚ã‚¢ã‚¯ã‚»ã‚¹ã‚’è¡Œã„ãŸã„ã¨æ€ã„ã¾ã™ã€‚ ã‚¯ãƒ©ã‚¹ãƒ¡ã‚½ãƒƒãƒ‰ã®è² è·è©¦é¨“ã®æ´å² å‰µæ¥æ™‚ã‹ã‚‰æ¥å‹™ç³»ã®ã‚·ã‚¹ãƒ†ãƒ é–‹ç™ºãŒå¤šã‹ã£ãŸã“ã¨ã‹ã‚‰ã€ãƒ¬ã‚¹ãƒãƒ³ã‚¹ã¯3ç§’ä»¥å†…ã§OKã¨ã‹ã€ãƒ”ãƒ¼ã‚¯æ™‚ã®åŒæ™‚ãƒ¦ãƒ¼ã‚¶ã¯100åã¨ã„ã£ãŸã€ç·©ã„æ¡ä»¶ã‚’ã‚¯ãƒªã‚¢ã™ã‚Œã°è‰¯ã‹ã£ãŸã“ã¨ãŒæ‡ã‹ã—ãæ€ã„ã¾ã™ã€‚ä»Šã¯ã€ãƒ¦ãƒ¼ã‚¶æ•°ãƒ»ãƒ‡ãƒ¼ã‚¿é‡ãƒ»ãƒˆãƒ©ãƒ³ã‚¶ã‚¯ã‚·ãƒ§ãƒ³æ•°ãƒ»ãƒˆãƒ©ãƒ•ã‚£ãƒƒã‚¯ç‰ãŒçˆ†ç™ºçš„ã«å¢—ãˆã‚‹å¯èƒ½æ€§ã®ã‚ã‚‹ãƒ—ãƒã‚¸ã‚§ã‚¯ãƒˆã‚‚å¤šãã€è² è·è©¦é¨“ã¯å¿…é ˆé …ç›®
peketamin 2013/05/07
è² è·ãƒ†ã‚¹ãƒˆ

performance
ãƒªãƒ³ã‚¯
Â» ã‚¹ã‚¯ãƒãƒ¼ãƒ«æ™‚ã«CSS3 Animationsã‚’ä¸€æ™‚åœæ¢ã—ãŸã‚‰FPSãŒã‘ã£ã“ã†è‰¯ããªã£ãŸ | negic
ãƒ‘ãƒ©ãƒ©ãƒƒã‚¯ã‚¹ãªã‚µã‚¤ãƒˆã‚’ä½œã‚‹éš›ã«ã€ã‚¹ã‚¯ãƒãƒ¼ãƒ«ã«å¿œã˜ã¦JSã§è¦ç´ ã‚’å‹•ã‹ã™ã¨æ€ã†ã®ã§ã™ãŒã€ãã®æ™‚ã«ã‚ã‚‹å ´æ‰€ã§CSS3 AnimationsãŒå‹•ã„ã¦ã„ã‚‹ã¨ã€ã‚¹ã‚¯ãƒãƒ¼ãƒ«ãŒã‚«ã‚¯ã¤ã„ã¦ã—ã¾ã„ã€FPSãŒæ®‹å¿µãªçŠ¶æ…‹ã«ãªã‚Šã¾ã™ã€‚ ãã“ã§ã€ã‚¹ã‚¯ãƒãƒ¼ãƒ«ãŒå‹•ãå‡ºã—ãŸæ™‚ã«CSS3 Animationsã‚’æ¢ã‚ã¦ã€ã‚¹ã‚¯ãƒãƒ¼ãƒ«ã‚’æ¢ã‚ãŸæ™‚ã«CSS3 Animationsã‚’å†åº¦å‹•ä½œã•ã›ã‚‹ã¨ã„ã†å‡¦ç†ã‚’åŠ ãˆã‚Œã°ã€ã‚¹ã‚¯ãƒãƒ¼ãƒ«ãŒã‚«ã‚¯ã¤ãã“ã¨ãªãã€ã‚¹ãƒ ãƒ¼ã‚ºã«ãªã‚Šã¾ã™ã€‚ ã‚¹ã‚¯ãƒãƒ¼ãƒ«ã‚„ã€ãƒªã‚µã‚¤ã‚ºã¨ã„ã£ãŸJavaScriptã®ã‚¤ãƒ™ãƒ³ãƒˆã¯é€£ç¶šã§å‡¦ç†ã•ã‚Œã¾ã™ã€‚ãã†ã„ã£ãŸã‚¤ãƒ™ãƒ³ãƒˆã®ã€Œé–‹å§‹ã—ãŸæ™‚ã€ã€Œå‹•ä½œã—ã¦ã„ã‚‹æ™‚ã€ã€Œåœæ¢ã—ãŸæ™‚ã€ã®çŠ¶æ…‹ãŒå–ã‚Œã‚‹jQueryã®ãƒ—ãƒ©ã‚°ã‚¤ãƒ³ã‚’ä½œæˆã—ã¾ã—ãŸã€‚ jQuery.MovingState ã“ã®ãƒ—ãƒ©ã‚°ã‚¤ãƒ³ã‚’ä½¿ã„ã€CSS3 Animationsã‚’å‹•çš„ã«æ“ä½œã—ã¦ã¿ãŸã„ã¨æ€ã„ã¾ã™ã€‚ CSS3 Animationsã‚’ä¸€æ™‚çš„ã«åœæ¢
peketamin 2013/05/07
performance
ãƒªãƒ³ã‚¯
å…¨è‡ªå‹•ãƒ‘ãƒ©ãƒ¡ãƒ¼ã‚¿ãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°ã•ã‚“
2013/02/18 Yahoo! Open Hack Day å‚åŠ ä½œå“ KLabè³ž å—è³ž ã‚½ãƒ¼ã‚¹ã‚³ãƒ¼ãƒ‰ã¯ã“ã¡ã‚‰: https://github.com/mirakui/tuningsan èª¬æ˜Ž: http://blog.mirakui.com/entry/2013/02/20/003401
peketamin 2013/02/18
server

performance
ãƒªãƒ³ã‚¯
13 JavaScript Performance Tips
Daniel Clifford recently gave a great talk at Google I/O 2012 called â€œBreaking the JavaScript Speed Limit with V8â€. In it he goes in depth to explain 13 simple optimizations you can do in your JavaScript code to help Chromeâ€™s V8 JavaScript engine compile / run your JavaScript code faster. In the talk he gives a lot of great explanations as to what they are and why they help, but if you just want t
peketamin 2012/07/14
JavaScript

performance
ãƒªãƒ³ã‚¯
Pfbuzz Reviews
Autodesk AutoCAD is a software application used for drawing blueprints in industries as diverse as architecture, engineering, construction, manufacturing, media and entertainment. As one...
peketamin 2012/05/23
mysql

performance
ãƒªãƒ³ã‚¯
Instagram ã®ã‚¹ã‚±ãƒ¼ãƒ«æ£æ”»æ³• -- Kosei Kitahara's Blog
Instagram ãŒã©ã“ã«è²·åŽã•ã‚ŒãŸã¨ã‹ã¯ä»–ã®ãƒ‹ãƒ¥ãƒ¼ã‚¹ã‚µã‚¤ãƒˆã«ãŠä»»ã›ã—ã¦ã€Django ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã‚’æ£æ”»æ³•ã§ã‚¹ã‚±ãƒ¼ãƒ«ã—ã¦ "æˆåŠŸ" ã—ã¦ã‚‹ã®ãŒã¨ã¦ã‚‚èˆˆå‘³æ·±ã„ã§ã™ã€‚ç¾æ™‚ç‚¹ã§ Instagram Engineering ã§ç´¹ä»‹ã•ã‚Œã¦ã„ã‚‹ã“ã¨ã¨ TechCrunch ã«ã‚‚æŽ²è¼‰ã•ã‚ŒãŸã‚¹ãƒ©ã‚¤ãƒ‰ã‹ã‚‰å€‹äººçš„ãªãƒ¡ãƒ¢ã¨ã—ã¦ã¾ã¨ã‚ã¦ã¿ã¾ã—ãŸã€‚ Instagram ã®å“²å¦ã¯ ã‚·ãƒ³ãƒ—ãƒ«ã§ã‚ã‚‹ã“ã¨ ã‚ªãƒšãƒ¬ãƒ¼ã‚·ãƒ§ãƒ³è² è·ã‚’æœ€å°åŒ–ã™ã‚‹ã“ã¨ ã™ã¹ã¦è£…å‚™ ã¨ã®ã“ã¨ã€‚ Instagram ã¯ä»¥ä¸‹ã® OSS, ã‚µãƒ¼ãƒ“ã‚¹ã§æ§‹ç¯‰ã•ã‚Œã¦ã„ã‚‹ã‚ˆã†ã§ã™ã€‚ >>> OS / ãƒ›ã‚¹ãƒ†ã‚£ãƒ³ã‚° Ubuntu Linux 11.04 ã‚’ Amazon EC2 ã«ãƒ›ã‚¹ãƒ†ã‚£ãƒ³ã‚°ã€‚ä»¥å‰ã®ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã¯é«˜ãƒˆãƒ©ãƒ•ã‚£ãƒƒã‚¯ã«ãªã‚‹ã¨å›ºã¾ã‚‹å•é¡ŒãŒã‚ã£ãŸã‚ˆã†ã§ã™ã€‚é‹ç”¨ã¯ 3 äººã€‚EC2 ã«ãƒ›ã‚¹ãƒ†ã‚£ãƒ³ã‚°ã—ã¦ã„ã‚‹ç†ç”±ã¯ã€èª¿æŸ»çµæžœã«ã‚ˆã‚‹ã‚‚ã®ã§ã¯ãªãã€"ã¾ã é€²åŒ–é€”ä¸ã ã‹
peketamin 2012/04/16
performance
ãƒªãƒ³ã‚¯
RAID-Zã¯é…ã„ã‚ˆ
æ—¥æœ¬æœ€å¼·ã®çœ‹æ¿ã‚’ä¸‹ã‚ã—ãŸãƒŸãƒ©ãƒ¼ã‚µãƒ¼ãƒftp.jaist.ac.jpã®ç®¡ç†è€…ã®ä¸€äººãŒã€ ã“ã®ã‚µãƒ¼ãƒã«ã¾ã¤ã‚ã‚‹ã‚ˆã—ãªã—ã”ã¨ã‚’èªžã‚Šã¾ã™ã€‚ English versions of some posts on another blog. ä»¥å‰ç´¹ä»‹ã—ã¾ã—ãŸãŒã€ftp.jaist.ac.jpã®ã‚¹ãƒˆãƒ¬ãƒ¼ã‚¸ã¯2TBã®Deskstar 7K2000ã‚’24å€‹ç©ã‚“ã§ã„ã¾ã™ã€‚ZFSã®æ§‹æˆã¯ã€11å€‹ãšã¤ã§RAID-Z2ã‚’2ã¤ä½œã‚Šã‚¹ãƒˆãƒ©ã‚¤ãƒ”ãƒ³ã‚°ã—ã¦ã„ã¾ã™ã€‚æ®‹ã‚Šã®2å€‹ã¯RAID-Z2ã®ã‚¹ãƒšã‚¢ã§ã™ã€‚ã“ã®æ§‹æˆã®å•é¡Œã¯èªã¿è¾¼ã¿ã®IOPS (1ç§’é–“ã‚ãŸã‚Šã«å¯èƒ½ãªèªã¿è¾¼ã¿å›žæ•°)ãŒã¨ã¦ã‚‚å°‘ãªã„ä½Žã„ã“ã¨ã§ã™ã€‚ RAID-Zã¯æ™®é€šã®RAIDã¨ç•°ãªã‚Šã€RAIDã‚’çµ„ã‚€ãƒ‡ã‚£ã‚¹ã‚¯ã®å€‹æ•°ã‚’å¢—ã‚„ã—ã¦ã‚‚èªã¿è¾¼ã¿ã®IOPSã¯ä¸ŠãŒã‚Šã¾ã›ã‚“ã€‚æ™®é€šã®RAIDã§ã¯è¤‡æ•°ã®ãƒ–ãƒãƒƒã‚¯ã¸ã®ã‚¢ã‚¯ã‚»ã‚¹ã‚’è¤‡æ•°ã®ãƒ‡ã‚£ã‚¹ã‚¯ã§åŒæ™‚ã«è¡Œãˆã‚‹ã®ã§ã€ãƒ‡ã‚£ã‚¹ã‚¯ã®æ•°ã‚’å¢—ã‚„ã›ã°IOPSãŒå‘ä¸Š
peketamin 2011/11/15
raid

ZFS

performance

jaist
ãƒªãƒ³ã‚¯
PHPã‚’C++ã«å¤‰æ›ã—ã¦é«˜é€ŸåŒ–ã™ã‚‹ã€ŒHipHop for PHPã€ã‚’FacebookãŒå…¬é–‹ : candycane development blog
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peketamin 2011/11/08
PHP

é«˜é€ŸåŒ–

Facebook

performance

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peketamin 2011/10/09
programming

performance

algorithm

ã‚¢ãƒ«ã‚´ãƒªã‚ºãƒ

ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°

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peketamin 2011/10/03
linux

ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹

performance

programming

ã‚³ãƒžãƒ³ãƒ‰
ãƒªãƒ³ã‚¯
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peketamin 2011/08/22
HTML5

HTML

Facebookãƒšãƒ¼ã‚¸

Chrome

OS

facebook

performance

javascript

é«˜é€ŸåŒ–

chrome
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peketamin 2011/08/03
Codeigniter2ã¨Pinoco ãŒè‰¯ã•æ°—

DB

php

mysql

framework

ãƒ•ãƒ¬ãƒ¼ãƒ ãƒ¯ãƒ¼ã‚¯

CakePHP

Performance

cakephper

æ¯”è¼ƒ

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