[B! performance] agxã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

agx id:agx

performanceã«é–¢ã™ã‚‹agxã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (6)

${{author_name}}$

{{{comment_expanded}}}

{{label}}

{{#is_bookmark}}ãƒªã‚¹ãƒˆ{{/is_bookmark}}{{^is_bookmark}}ãƒªãƒ³ã‚¯{{/is_bookmark}}

${{author_name}}$
{{author_name}}{{created}}
{{ #comment }}{{ comment }}{{ /comment }}
- {{ label }}

${{author_name}}$

{{{comment_expanded}}}

{{label}}

{{#is_bookmark}}ãƒªã‚¹ãƒˆ{{/is_bookmark}}{{^is_bookmark}}ãƒªãƒ³ã‚¯{{/is_bookmark}}

Kazuho@Cybozu Labs: ã‚¦ã‚§ãƒ–ã‚µãƒ¼ãƒ“ã‚¹ã«ãŠã‘ã‚‹ SSD å°Žå…¥ã«ã‚€ã‘ã¦ã€œæ¤œç´¢ã‚µãƒ¼ãƒ“ã‚¹ã®å¯èƒ½æ€§
Â« Filter::SQL ã§ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã‚’å©ããƒ¯ãƒ³ãƒ©ã‚¤ãƒŠãƒ¼ã‚’ç°¡å˜ã«æ›¸ãæ–¹æ³• | ãƒ¡ã‚¤ãƒ³ | ã‚¦ã‚§ãƒ–ã‚µãƒ¼ãƒ“ã‚¹ã«ãŠã‘ã‚‹ãƒ€ãƒ¡ãƒ¼ã‚¸ã‚³ãƒ³ãƒˆãƒãƒ¼ãƒ« (MySQL ã®ã‚¹ãƒãƒ¼ã‚¯ã‚¨ãƒªã‚’è‡ªå‹•çš„ã« kill ã™ã‚‹æ–¹æ³•) Â» 2008å¹´10æœˆ28æ—¥ ã‚¦ã‚§ãƒ–ã‚µãƒ¼ãƒ“ã‚¹ã«ãŠã‘ã‚‹ SSD å°Žå…¥ã«ã‚€ã‘ã¦ã€œæ¤œç´¢ã‚µãƒ¼ãƒ“ã‚¹ã®å¯èƒ½æ€§ å®Ÿéš›ã«è©¦ã—ã¦ã¿ãŸçµæžœã«ã¤ã„ã¦ã¯ã€ã‚¦ã‚§ãƒ–ã‚µãƒ¼ãƒ“ã‚¹ã® SSD åŒ–ã«ã¤ã„ã¦è©±ã—ã¦ãã¾ã—ãŸã‚’ã”å‚ç…§ãã ã•ã„ã€‚ æ¤œç´¢ã‚¨ãƒ³ã‚¸ãƒ³ã‚„å°ã•ãªè¡ŒãŒå¤šã„ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ç‰ã§ä½¿ç”¨ã™ã‚‹ç›®çš„ã§ã® SSD (Intel X25-M) ã®ãƒ™ãƒ³ãƒãƒžãƒ¼ã‚¯çµæžœã«ã¤ã„ã¦ã¯ã€Kazuho at Work: Benchmarking SSD for MySQL ã‚’ã”è¦§ãã ã•ã„ (InnoDB ã®è©±ã‚’ã—ã¦ã„ã¾ã™ãŒã€Senna / Tritonn ã§ã‚‚åŸºæœ¬çš„ã«åŒã˜) Sun ãŒ SSD è£½å“ã®æŠ•å…¥ã‚’è¡¨æ˜Ž (ãƒžã‚¤ã‚³ãƒŸã‚¸ãƒ£ãƒ¼ãƒŠãƒ«) ã—ãŸã‚Šã€Google
agx 2008/10/29
SSDã‚’åˆ©ç”¨ã™ã‚‹ã¨ã€æ—©ãã¦å®‰ã„ãƒ©ãƒ³ãƒ€ãƒ ã‚¢ã‚¯ã‚»ã‚¹ï¼ˆå…¨æ–‡æ¤œç´¢ï¼‰ãŒè¡Œãˆã‚‹ã€‚ï¼ˆHDDã®2~4å€ã®ã¯ã‚„ã•ã€‚ãƒ¡ãƒ¢ãƒªã®1/10ã®å®‰ã•ã€‚ï¼‰

search

storage

performance
ãƒªãƒ³ã‚¯
ç§‹å…ƒ@ã‚µã‚¤ãƒœã‚¦ã‚ºãƒ©ãƒœãƒ»ãƒ—ãƒã‚°ãƒ©ãƒžãƒ¼ãƒ»ãƒ–ãƒã‚°: YSlow for Firebug ãƒšãƒ¼ã‚¸ã®ãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°ã‚’åŠ©è¨€ã—ã¦ãã‚Œã‚‹Firefoxã‚¢ãƒ‰ã‚ªãƒ³
é€±3æ—¥å‹¤å‹™ã€‚æ®‹ã‚Š4æ—¥ã¯è‹±èªžãƒ–ãƒã‚°ã‚¢ã‚¸ã‚¢ã‚¸ãƒ³ã‚„The Japan Timesç‰ã§æ´»å‹•ã—ã¦ãŠã‚Šã¾ã™ã€‚é€£çµ¡å…ˆã¯ã€Œå§“@gmail.comã€ã§ã™ã€‚ via Ajaxian Yahoo! Developer Networkã‹ã‚‰ãƒªãƒªãƒ¼ã‚¹ã•ã‚ŒãŸYSlowã¯ã€Firefox+Firebugã®ã‚¢ãƒ‰ã‚ªãƒ³ã¨ã—ã¦ã€ãƒšãƒ¼ã‚¸ã®è¡¨ç¤ºé€Ÿåº¦ã®æ”¹å–„ç‚¹ã‚’åˆ—æŒ™ã—ã¦ãã‚Œã‚‹ã¨ã„ã†ãƒ„ãƒ¼ãƒ«ã ã€‚ ã“ã“ã®ã¨ã“ã‚ã€ã‚¦ã‚§ãƒ–ã‚µã‚¤ãƒˆã®ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹æ”¹å–„ã§ç©æ¥µçš„ã«è³‡æ–™ã‚’å…¬é–‹ã—ã¦ã„ã‚‹Yahoo!ãŒã€ãƒ„ãƒ¼ãƒ«ã‚‚å‡ºã—ã¦ããŸã€‚ä»Šæ—¥ã®OSConã«ã¦ç™ºè¡¨ã•ã‚ŒãŸã‚‚ã®ã®ã‚ˆã†ã ã€‚ ã‚¢ãƒ‰ã‚ªãƒ³ã‚’ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã—ã¦ä»»æ„ã®ãƒšãƒ¼ã‚¸ã‚’é–‹ãã¨ã€Firebugã®ãƒ¡ãƒ‹ãƒ¥ãƒ¼ã®ä¸ã«YSlowãŒè¿½åŠ ã•ã‚Œã‚‹ã€‚Performanceã®ã‚¿ãƒ–ã«ã¯ã€ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ã®ç‚¹æ•°(ä¸‹è¨˜ã§ã¯ã€ŒC(71)ã€)ã¨ã€13ã®é …ç›®ã®ãã‚Œãžã‚Œã«ã¤ã„ã¦ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹å¯¾ç–ãŒã•ã‚Œã¦ã„ã‚‹ã‹ã©ã†ã‹ã‚’ã€Aï½žFã®ã‚°ãƒ¬ãƒ¼ãƒ‰ã§è¡¨ç¤ºã—ã¦ãã‚Œã‚‹ã€‚ ãã‚Œ
agx 2007/08/24
webãƒšãƒ¼ã‚¸ç”¨ãƒ—ãƒãƒ•ã‚¡ã‚¤ãƒ©ãƒ¼

firefox

Develop

Web

Plugin

performance
ãƒªãƒ³ã‚¯
300clp - Firefoxã‚’é…ãã•ã›ã‚‹æœ€å¤§åŽŸå› ã¯ã‚¢ãƒ‰ã‚ªãƒ³
Firefoxã‚’é…ãã•ã›ã‚‹ã‚¢ãƒ‰ã‚ªãƒ³è¦å› Webã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã®é–‹ç™ºè€…ã¯Firefoxã‚’æ„›ç”¨ã—ã¦ã„ã‚‹ã‚±ãƒ¼ã‚¹ãŒå¤šã„ ãã®ç†ç”±ã¨ã—ã¦æ‹¡å¼µæ©Ÿèƒ½ãŒè±Šå¯Œã§ã‚ã‚‹ã“ã¨ãŒç¬¬ä¸€ã«æŒ™ã’ã‚‰ã‚Œã‚‹ å„ªç§€ãªã‚¢ãƒ‰ã‚ªãƒ³ã¨ã—ã¦All-in-One Gesturesã‚„Greasemonkeyã€ WebDeveloperã€Firebugã€ScrapBookãªã©ãŒåˆ©ç”¨ã•ã‚Œã‚‹ ã—ã‹ã—Firefoxã‚’ä½¿ã„è¾¼ã‚€ã«ã¤ã‚Œã¦ã‚¢ãƒ‰ã‚ªãƒ³ãŒå¢—ãˆ ãã®çµæžœã€èµ·å‹•æ™‚é–“ãƒ»è¡¨ç¤ºæ™‚é–“ã«é…ã‚ŒãŒå‡ºã‚‹ã“ã¨ã«ãªã‚‹ ãã®æœ€å¤§è¦å› ã¯ã‚¢ãƒ‰ã‚ªãƒ³ã§ã‚ã‚Šæ•°ç¨®ã®ã‚¢ãƒ‰ã‚ªãƒ³ã«ã‚ˆã£ã¦é…ããªã‚‹ ã§ã¯ãƒ–ãƒ©ã‚¦ã‚¶è¡¨ç¤ºã‚’é…ãã•ã›ã‚‹ã‚¢ãƒ‰ã‚ªãƒ³ã¯ã©ã‚Œã‹ å…·ä½“çš„ãªæ•°å—ã§æ¯”è¼ƒã§ãã‚‹ã®ã‹ï¼Ÿ ã“ã®è¡¨ç¤ºæ™‚é–“ã«ã¤ã„ã¦æ¤œè¨¼ 01.æ¤œè¨¼è©¦é¨“ç’°å¢ƒã€ ã€€ OS ã€€ã€€ ã€‘ XP SP2 Proã€Vista Ultimate ã€ ã€€ .CPU.ã€€ ã€‘ PentiumD820ã€€2.8GHz ã€ ã€€ Mem ã€€ ã€‘ Samsun
agx 2007/06/15
firefox

performance
ãƒªãƒ³ã‚¯
ãƒ•ãƒ„ãƒ¼ãªæ—¥å¸¸ - MySQLã®Tips
http://forge.mysql.com/wiki/Top10SQLPerformanceTipsã¨ã„ã†ã®ãŒã‚ã£ãŸã®ã§ã€å’Œè¨³ã—ã¦ã¿ã‚‹ã€‚ (11/23 è¿½è¨˜)id:pekeqã•ã‚“ã¨sodaã•ã‚“ã®ã‚³ãƒ¡ãƒ³ãƒˆã‚’å—ã‘ä¸€éƒ¨æ›´æ–° (4/27 è¿½è¨˜ã¨ä¿®æ£)id:hirose31ã•ã‚“ã®æŒ‡æ‘˜ã‚’å—ã‘ä¿®æ£ã€‚ã‚ã¨å…ƒã®ã‚µã‚¤ãƒˆãŒæ§‹æˆå¤‰æ›´ã—ã¦ã„ãŸã®ã§è¿½å¾“ ã‚¯ã‚¨ãƒªã®ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ã«é–¢ã™ã‚‹Tips(ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã®ãƒ‡ã‚¶ã‚¤ãƒ³ã¨ã‚¤ãƒ³ãƒ‡ãƒƒã‚¯ã‚¹ã«ã¤ã„ã¦ã‚‚) EXPLAINã‚’ä½¿ã£ã¦ã‚¯ã‚¨ãƒªã®å®Ÿè¡Œãƒ—ãƒãƒ•ã‚¡ã‚¤ãƒ«ã‚’å–ã‚Œ ã‚¹ãƒãƒ¼ã‚¯ã‚¨ãƒªãƒã‚°ã‚’ä½¿ãˆ(å¸¸ã«æœ‰åŠ¹ã«ã—ã¦ãŠã‘ï¼) GROUP BYã‚’ä½¿ã£ã¦ã„ã‚‹ã‹ä½¿ãˆã‚‹ãªã‚‰ã€DISTINCTã‚’ä½¿ã†ãª Insertã®ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ ãƒãƒƒãƒå‡¦ç†ã«ã‚ˆã‚‹INSERTã¨REPLACE INSERTã®ä»£ã‚Šã«LOAD DATAã‚’ä½¿ã† LIMIT m,nã¯æ¡ˆå¤–é€Ÿããªã„ 2000ä»¶ä»¥ä¸Šã®ãƒ¬ã‚³ãƒ¼ãƒ‰ã«å¯¾ã—ã¦ORDER BY RA
agx 2007/04/24
4

performance

db

tips
ãƒªãƒ³ã‚¯
EfficientJavaScript - Dev.Opera - åŠ¹çŽ‡çš„ãª JavaScript
EfficientJavaScript - Dev.Opera - åŠ¹çŽ‡çš„ãª JavaScript ç›®æ¬¡ ã“ã®æ–‡æ›¸ã«ã¤ã„ã¦ åŠ¹çŽ‡çš„ãª JavaScript ECMAScript eval ã‚„ Function ã®ã‚³ãƒ³ã‚¹ãƒˆãƒ©ã‚¯ã‚¿ã‚’ä½¿ã†ã®ã¯ã‚„ã‚ã‚ˆã† eval ã‚’æ›¸ãæ›ãˆã‚ˆã† é–¢æ•°ã‚’ä½¿ã„ãŸã„ãªã‚‰ function ã‚’ä½¿ãŠã† with ã‚’ä½¿ã†ã®ã¯ã‚„ã‚ã‚ˆã† æ€§èƒ½ã‚’æ±ºã‚ã‚‹é–¢æ•°ã§ try-catch-finally ã‚’ä½¿ã†ã®ã¯ã‚„ã‚ã‚ˆã† eval ã¨ with ã¯éš”é›¢ã—ã‚ˆã† ã‚°ãƒãƒ¼ãƒãƒ«å¤‰æ•°ã‚’ä½¿ã†ã®ã¯ã‚„ã‚ã‚ˆã† æš—é»™ã®ã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆå¤‰æ›ã«æ°—ã‚’ã¤ã‘ã‚ˆã† æ€§èƒ½ã‚’æ±ºã‚ã‚‹é–¢æ•°ã§ for-in ã‚’ä½¿ã†ã®ã¯ã‚„ã‚ã‚ˆã† æ–‡å—åˆ—ã¯ç´¯ç©ã‚¹ã‚¿ã‚¤ãƒ«ã§ä½¿ãŠã† ãƒ—ãƒªãƒŸãƒ†ã‚£ãƒ–ã®æ“ä½œã¯é–¢æ•°å‘¼ã³å‡ºã—ã‚ˆã‚Šé€Ÿã„ setTimeout() ã‚„ setInterval() ã«ã¯æ–‡å—åˆ—ã§ãªãé–¢æ•°ã‚’æ¸¡ãã† DOM å†æç”»ã¨å†ãƒ•ãƒãƒ¼ å†ãƒ•ãƒãƒ¼ã®å›žæ•°ã‚’ã§ã
agx 2007/04/22
3

javascript

tips

performance
ãƒªãƒ³ã‚¯
http://rockstarapps.com/wordpress/?p=32
agx 2007/01/24
Ajaxãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ãƒ—ãƒãƒ•ã‚¡ã‚¤ãƒªãƒ³ã‚°ãƒ„ãƒ¼ãƒ«

ajax

development

Tool

performance
ãƒªãƒ³ã‚¯
1