[B! innodb] koko1000banã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

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naoyaã®ã¯ã¦ãªãƒ€ã‚¤ã‚¢ãƒªãƒ¼ - MyISAM vs InnoDB
ã‚ãã¾ã§æ†¶æ¸¬ã§ä»®èª¬ã§ã—ã‹ãªã„ã‚“ã§ã™ãŒã€‚ MySQL ã®ã‚¹ãƒˆãƒ¬ãƒ¼ã‚¸ã‚¨ãƒ³ã‚¸ãƒ³ã®ã†ã¡ä»£è¡¨çš„ãªäºŒã¤ã€MyISAM ã¨ InnoDB ã¯ã‚ˆã MyISAM: Read ã¯é€Ÿã„ã‘ã©ãƒ†ãƒ¼ãƒ–ãƒ«ãƒãƒƒã‚¯ã®ãŸã‚ä¸¦è¡Œæ€§ãŒä½Žã„ã€‚é‹ç”¨ãŒç°¡å˜ã€‚ InnoDB: MyISAM ã‚ˆã‚Š Read ã¯é…ã„ã‘ã©ä¸¦è¡Œæ€§ãŒé«˜ã„ ã€‚è¡Œãƒ¬ãƒ™ãƒ«ãƒãƒƒã‚¯ãªã®ã§ã€‚ã‚ã¨ãƒˆãƒ©ãƒ³ã‚¶ã‚¯ã‚·ãƒ§ãƒ³ã‚„å¤–éƒ¨ã‚ãƒ¼åˆ¶ç´„ã€‚é‹ç”¨ãŒ MyISAM ã‚ˆã‚Šã¡ã‚‡ã£ã¨ã‚ã‚“ã©ãã•ã„ã€‚ ã¨ã„ã†åŒºåˆ¥ãŒã•ã‚Œã¾ã™ã€‚ã“ã“ã‹ã‚‰è»¢ã˜ã¦ã€ MyISAM ã¯å‚ç…§ç³»ã‚¯ã‚¨ãƒªãŒå¤§éƒ¨åˆ†ã‚’å ã‚ã‚‹å ´åˆã«é©ç”¨ã™ã‚‹ã¨è‰¯ã„ã€‚ä¾‹ãˆã° blog ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã¨ã‹ã€‚ InnoDB ã¯æ›´æ–°ç³»ã‚¯ã‚¨ãƒªãŒå¤šã„å ´åˆã«é©ç”¨ã™ã‚‹ã¨è‰¯ã„ã€‚ ã¨è¨€ã‚ãŸã‚Šã—ã¾ã™ã€‚å®Ÿè·µãƒã‚¤ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹MySQL ã§ã‚‚ç¬¬2ç« ã‚¹ãƒˆãƒ¬ãƒ¼ã‚¸ã‚¨ãƒ³ã‚¸ãƒ³(ãƒ†ãƒ¼ãƒ–ãƒ«åž‹) P.30 ã« ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã§ãƒˆãƒ©ãƒ³ã‚¶ã‚¯ã‚·ãƒ§ãƒ³ã‚’ä½¿ç”¨ã™ã‚‹å¿…è¦ãŒãªãã€ä¸»ã« SELECT ã¾ãŸã¯ I
koko1000ban 2010/02/02
mysql

innodb
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koko1000ban 2010/01/20
mysql

zfs

innodb
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koko1000ban 2009/11/29
mysql

innodb
ãƒªãƒ³ã‚¯
InnoDBã§è¡Œãƒãƒƒã‚¯/ãƒ†ãƒ¼ãƒ–ãƒ«ãƒãƒƒã‚¯ã«ãªã‚‹æ¡ä»¶ - (ï¾Ÿâˆ€ï¾Ÿ)oå½¡ sasata299's blog
2009å¹´11æœˆ22æ—¥16:29 MySQL InnoDBã§è¡Œãƒãƒƒã‚¯/ãƒ†ãƒ¼ãƒ–ãƒ«ãƒãƒƒã‚¯ã«ãªã‚‹æ¡ä»¶ MySQL ã«ã¯ã‚ˆãä½¿ã‚ã‚Œã‚‹ã‚¹ãƒˆãƒ¬ãƒ¼ã‚¸ã‚¨ãƒ³ã‚¸ãƒ³ã¨ã—ã¦ MyISAM ã¨ InnoDB ãŒã‚ã‚Šã¾ã™ãŒã€é•ã„ã®ä¸€ã¤ã¨ã—ã¦ãƒãƒƒã‚¯ã®æŒ™å‹•ãŒæŒ™ã’ã‚‰ã‚Œã¾ã™ã€‚MyISAM ã¯ãƒ†ãƒ¼ãƒ–ãƒ«ãƒãƒƒã‚¯ã€InnoDB ã¯è¡Œãƒãƒƒã‚¯ãŒæŽ›ã‹ã‚‹ã¨ã„ã†ã®ã¯æœ‰åãªè©±ã˜ã‚ƒãªã„ã‹ã¨ã€‚ ãŸã ã€æœ€è¿‘çŸ¥ã£ãŸã®ã§ã™ãŒã€InnoDB ã ã¨ã—ã¦ã‚‚å¿…ãšã—ã‚‚è¡Œãƒãƒƒã‚¯ã«ãªã‚‹ã‚ã‘ã§ã¯ãªãã€ãƒ†ãƒ¼ãƒ–ãƒ«ãƒãƒƒã‚¯ã«ãªã‚‹å ´åˆã‚‚ã‚ã‚‹ã‚ˆã†ã§ã™ãã€‚ã€‚ã“ã®ã“ã¨ã«ã¤ã„ã¦æ‰‹å…ƒã® MySQL 5.1.26RC ã§ç°¡å˜ã§ã™ãŒæ¤œè¨¼ã—ã¦ã¿ã¾ã™ã€‚ã‚µãƒ³ãƒ—ãƒ«ã¨ã—ã¦ä½¿ã†ãƒ†ãƒ¼ãƒ–ãƒ«ã¯ã“ã¡ã‚‰ã€‚ CREATE TABLE `lock_sample` ( `id` int(11) NOT NULL AUTO_INCREMENT, `c1` int(11) NOT NULL, `c2` int(11) NOT
koko1000ban 2009/11/27
mysql

innodb
ãƒªãƒ³ã‚¯
ã‚ã‚‹ã‚ã‚‹ãŠãƒãƒžã‚Šå¤§äº‹å…¸ - InnoDBãªã®ã«è¡Œãƒãƒƒã‚¯ã—ãªã„ã® - ï¼ˆã²ï¼‰ãƒ¡ãƒ¢
drop table if exists t; create table t ( iid int ,nid int ,bid binary(3) ,msg varchar(69) ,key (iid) ,key (bid) ) ENGINE=InnoDB; insert into t values (1,1,1,"ichi"),(2,2,2,"ni"),(3,3,3,"san") ,(4,4,4,"si"),(5,5,5,"go"),(6,6,6,"roku") ; ãªãƒ†ãƒ¼ãƒ–ãƒ«ã¨ãƒ‡ãƒ¼ã‚¿ã§ã€2ã¤ç«¯æœ«ã‚’ç”¨æ„ã—ã¦ update ã—ã‚ã„ã£ã“ã—ã¦ã¿ã¾ã™ã€‚ ã¾ãšã€ã“ã‚Œâ†“ã¯ä¸¡æ–¹ã¨ã‚‚updateãŒå®Œäº†ã—ã¦ã‚¹ã‚³ã£ã¨è¿”ã£ã¦ãã¾ã™ã€‚è¡Œãƒ¬ãƒ™ãƒ«ãƒãƒƒã‚¯++ begin; update t set msg = "t1" where iid = 1; ã¨ begin; update t set msg = "t2" wh
koko1000ban 2009/11/14
mysql

innodb
ãƒªãƒ³ã‚¯
ãƒžã‚¹ã‚¿ãƒ¼InnoDBã€ã‚¹ãƒ¬ãƒ¼ãƒ–MyISAMãŒå‹§ã‚ã‚‰ã‚Œãªã„ç†ç”±
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koko1000ban 2009/11/05
mysql

innodb
ãƒªãƒ³ã‚¯
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koko1000ban 2009/10/29
mysql

innodb
ãƒªãƒ³ã‚¯
MyISAMã¨InnoDBã®ã©ã¡ã‚‰ã‚’ä½¿ã†ã¹ãã‹
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koko1000ban 2009/10/28
mysql

innodb

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koko1000ban 2009/10/13
mysql

innodb
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koko1000ban 2009/10/06
mysql

innodb
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