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fn7 id:fn7

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Perlã¨Rubyã§çœãƒ¡ãƒ¢ãƒªãªãƒãƒƒã‚·ãƒ¥ã‚’ä½¿ãŠã† - mixi engineer blog
ã‚µãƒœã£ã¦ã„ãŸæ—©æœã‚¸ãƒ§ã‚®ãƒ³ã‚°ï¼ é§’æ²¢å…¬åœ’ã‚’å†é–‹ã—ã¦2é€±é–“ãŸã¡ã€ã‚„ã£ã¨æŠœã‹ã‚Œã‚‹æ•°ã‚ˆã‚ŠæŠœãæ•°ã®æ–¹ãŒå¢—ãˆã¦ããŸmikioã§ã™ã€‚ä»Šå›žã¯ã€Perlã‚„Rubyã®ãƒãƒƒã‚·ãƒ¥ã®ä»£ç”¨ã¨ã—ã¦Tokyo Cabinetã‚’ä½¿ã†ã“ã¨ã§ãƒ¡ãƒ¢ãƒªä½¿ç”¨é‡ã‚’æ¿€æ¸›ã•ã›ã‚‰ã‚Œã‚‹ã“ã¨ã‚’èª¬æ˜Žã—ã¾ã™ã€‚ æŠ½è±¡ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹API Tokyo Cabinetã«ã¯æŠ½è±¡ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã¨ã„ã†æ©Ÿæ§‹ãŒã‚ã‚Šã€å…ˆæ—¥ã€ãã®Perlã¨Rubyã®ãƒã‚¤ãƒ³ãƒ‡ã‚£ãƒ³ã‚°ã‚’ãƒªãƒªãƒ¼ã‚¹ã—ã¾ã—ãŸã€‚ãã‚Œã‚’ä½¿ã†ã¨ã€å„ç¨®è¨€èªžã®ãƒãƒƒã‚·ãƒ¥ã¨ã»ã¼åŒã˜ã‚ˆã†ãªå…±é€šã—ãŸã‚¤ãƒ³ã‚¿ãƒ¼ãƒ•ã‚§ã‚¤ã‚¹ã§ã€ä»¥ä¸‹ã®ãƒ‡ãƒ¼ã‚¿æ§‹é€ ã‚’åˆ©ç”¨ã™ã‚‹ã“ã¨ãŒã§ãã¾ã™ã€‚ ã‚ªãƒ³ãƒ¡ãƒ¢ãƒªãƒãƒƒã‚·ãƒ¥ï¼šå„ç¨®è¨€èªžã«æ¨™æº–ã®ãƒãƒƒã‚·ãƒ¥ã¨åŒã˜ãã€ãƒ¡ãƒ¢ãƒªä¸Šã§key/valueã®é–¢ä¿‚ã‚’è¡¨ç¾ã™ã‚‹ã€‚ ã‚ªãƒ³ãƒ¡ãƒ¢ãƒªãƒ„ãƒªãƒ¼ï¼šãƒ¡ãƒ¢ãƒªä¸Šã®äºŒåˆ†æŽ¢ç´¢æœ¨ã¨ã—ã¦key/valueã®é–¢ä¿‚ã‚’è¡¨ç¾ã™ã‚‹ã€‚ ãƒ•ã‚¡ã‚¤ãƒ«ãƒãƒƒã‚·ãƒ¥ï¼šã„ã‚ã‚†ã‚‹DBMã¨ã—ã¦ã€ãƒ•ã‚¡ã‚¤ãƒ«ä¸Šã§key/valueã®é–¢ä¿‚ã‚’è¡¨ç¾ã™ã‚‹ã€‚ ãƒ•ã‚¡
fn7 2009/04/23
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hash

performance

programming

perl

ruby

tips
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æœ€é©åŒ–ã®å¿ƒå¾— or HTTP::MobileAttributeæœ€é©åŒ–ç¥ã‚Šã«å‚åŠ ã—ã¦ã¿ãŸ - D-6 [ç›¸å¤‰ã‚ã‚‰ãšæ ¹ç„¡ã—]
æœ€é©åŒ–ã®å¿ƒå¾— or HTTP::MobileAttributeæœ€é©åŒ–ç¥ã‚Šã«å‚åŠ ã—ã¦ã¿ãŸ HTTP::MobileAttributeã®æœ€é©åŒ–ç¥ã‚Šã«çªç™ºçš„ã«å‚åŠ ã—ã¦ã¿ãŸã€‚ æ£ç›´è¨€ã†ã¨æœªã ã«HTTP::MobileAttributeã®ä¸èº«ã§ã‚ã‚‹Class::Componentã‚’åˆ†ã‹ã£ã¦ãªã„ã€‚ãªã®ã§ã§ãã‚‹ã“ã¨ã‚‚é™ã‚‰ã‚Œã¦ã‚‹ã‚ã‘ã ãŒã€‚ ä»Šå›žã®ãƒŸãƒ‹ç¥ã‚Šã‚’è¦‹ã¦ã„ã¦ã‚ˆãã‚ã‹ã‚‹ã®ã¯çµå±€ã®ã¨ã“ã‚ã‚¹ãƒ”ãƒ¼ãƒ‰ã«æœ€ã‚‚å½±éŸ¿ãŒã‚ã‚‹ã®ã¯ç«¯çš„ãªã‚³ãƒ¼ãƒ‰ã®æ›¸ãæ–¹ã§ã¯ãªãæ§‹é€ ï¼ˆã‚¹ãƒˆãƒ©ã‚¯ãƒãƒ£ï¼‰ã‚’è¦‹ç›´ã™äº‹ã§ã‚ã‚‹ã¨ã„ã†ã ã€‚id:tokuhiromã®ã¨ã“ã‚ã§ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°ã®çµæžœã‚’è¿½ã£ã¦ã‚‹äººã¯ã‚ã‹ã‚‹ã¨æ€ã†ã‘ã©ã€çµå±€ä¿ºãŒå‚åŠ ã—ãŸã®ã¯ã‚‚ã†æœ¬å½“ã«ã‚³ãƒ¼ãƒ‰ã®æ›¸ãæ–¹ã‚’ãƒãƒ¥ãƒ¼ãƒ‹ãƒ³ã‚°ã™ã‚‹ã¨ã„ã†ãƒ¬ãƒ™ãƒ«ã®ã¨ã“ã‚ã§ã€ä¾‹ãˆã°ãƒ«ãƒ¼ãƒ—ã‚’ã‚¢ãƒ³ãƒãƒ¼ãƒ«ã—ã¦if/elseã§å®Ÿè£…ã—ã¦ã¿ã‚‹ã¨ã‹ãã€‚ã§ã‚‚ãã“ã¯ã©ã‚“ãªã«ãŒã‚“ã°ã£ã¦ã‚‚æ•°%ã®ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹ã‚²ã‚¤ãƒ³ã«ã—ã‹ãªã‚‰ãªã„ã€‚
fn7 2008/04/04
perl

performance

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Dprof
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502 Bad Gateway
502 Bad Gateway nginx
fn7 2007/11/22
ã•ã™ãŒ

javascript

performance

sort

programming

tips
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InnoDB vs MyISAM (vs Falcon) ã‚’èªã‚“ã§èˆˆå‘³æ·±ã„ã¨æ€ã£ãŸç‚¹ - ï¼ˆã²ï¼‰ãƒ¡ãƒ¢
InnoDB vs MyISAM vs Falcon benchmarks - part 1 ã‚’èªã‚“ã ã€‚èˆˆå‘³æ·±ã‹ã£ãŸã€‚ ã ã‘ã ã¨ãƒŠãƒ³ãªã®ã§ã€æ€ã£ãŸã“ã¨ã‚’ãƒ¡ãƒ¢ã£ã¦ã¿ã‚‹ã€‚ ãŒã‚“ã°ã‚ŒFalcon ã¾ã ç”Ÿã¾ã‚ŒãŸã¦ãªã®ã§ãƒ™ãƒ³ãƒãƒžãƒ¼ã‚¯ã®çµæžœã¯å‚è€ƒç¨‹åº¦ã«ã€‚ InnoDB vs MyISAM The second goal of benchmark was a popular myth that MyISAM is faster than InnoDB in reads, as InnoDB is transactional, supports Foreign Key and has an operational overhead. As you will see it is not always true. ã®é€šã‚Šã€ã©ã¡ã‹ã¨ã„ã†ã¨(Falconã‚ˆã‚Š)InnoDBã¨MyISAMã®æ€§èƒ½æ¯”è¼ƒã®æ–¹ãŒèˆˆå‘³æ·±ã„ç‚¹ãŒ
fn7 2007/01/11
database

mysql

performance

benchmark
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selectã‚ˆã‚Škqueue,epoll(apache2ã®ã‚¹ã‚¹ãƒ¡) - æœ€é€Ÿé…ä¿¡ç ”ç©¶ä¼š(@yamaz)
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fn7 2007/01/10
apache2ã®é€Ÿã•ã®ç§˜å¯†

apache

performance

server

socket
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