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MySQLã«é–¢ã™ã‚‹mad-pã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (9)

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MySQL 5.6ã®ã‚¯ãƒ©ãƒƒã‚·ãƒ¥ã‚»ãƒ¼ãƒ•ãªãƒ¬ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã®ä»•çµ„ã¿
MySQL 5.6ã®nutshellã‚’èªã‚€ã¨ã€`ã‚¯ãƒ©ãƒƒã‚·ãƒ¥ã‚»ãƒ¼ãƒ•ãªãƒ¬ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã‚’å®Ÿç¾ã™ã‚‹ãŸã‚ã«ã¯master_info_repositoryã¨relay_log_info_repositoryã‚’TABLEã«è¨å®šã—ãªï¼ ãŠã£ã¨ã€relay_log_recoveryã‚‚1ã«ã—ã¦ãŠãã‚“ã ãœ'ã¿ãŸã„ã“ã¨ãŒæ›¸ã„ã¦ã‚ã‚‹ã€‚ ã§ã€ã“ã®ãƒã‚°ãƒ¬ãƒãƒ¼ãƒˆã‚’è¦‹ãŸæ™‚ã‹ã‚‰ãšã£ã¨ã€sync_master_infoã®æš—é»™ã®ãƒ‡ãƒ•ã‚©ãƒ«ãƒˆ10000ã®ã¾ã‚“ã¾ã˜ã‚ƒã‚¯ãƒ©ãƒƒã‚·ãƒ¥ã‚»ãƒ¼ãƒ•ã˜ã‚ƒãªããï¼Ÿ sync_master_info= 1å¿…é ˆï¼Ÿ ãã‚Œã¯ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹çš„ã«æ»ãã‚‹ã€‚ã¨ã„ã†æ„Ÿã˜ã§ãƒ¢ãƒ¤ãƒ¢ãƒ¤ã—ã¦ã„ãŸã®ã ãŒã€ã‚„ã£ã¨åˆç‚¹ãŒã„ã£ãŸã®ã§ãƒ¡ãƒ¢ã—ã¨ãã¾ã™ã€‚ master_info_repository FILEã®å ´åˆã€å¾“æ¥ã©ãŠã‚Šmaster.infoãƒ•ã‚¡ã‚¤ãƒ«ã«æ›¸ãã€‚ ãƒ•ã‚¡ã‚¤ãƒ«åã¯master_info_fileã«ã‚ˆã‚Šå¯å¤‰ã€‚ æ›´æ–°ãŒã‚ã‚‹ãŸã³(ãƒã‚¤
mad-p 2013/12/12
MySQL

replication
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ä¿ºã®MySQLç§˜ä¼ã‚¹ã‚¯ãƒªãƒ—ãƒˆãŒç«ã‚’å™´ããœ #mysqlcasual - onigra.github.io
ä¿ºã®MySQLç§˜ä¼ã‚¹ã‚¯ãƒªãƒ—ãƒˆãŒç«ã‚’å™´ããœ #mysqlcasualDecember 8, 2013 by Yudai Suzuki ã“ã®ã‚¨ãƒ³ãƒˆãƒªãƒ¼ã¯MySQL Casual Advent Calendar 2013 8æ—¥ç›®ã®è¨˜äº‹ã§ã™ã€‚ ã¨ã„ã†ã‚ã‘ã§ã€åƒ•ãŒä»•äº‹ã§æ›¸ã„ãŸç§˜ä¼ã®ã‚¿ãƒ¬ã®ä¸€ã¤ã‚’ç´¹ä»‹ã—ã¾ã™ã€‚ ã¾ãšã€ç§˜ä¼ã®ã‚¿ãƒ¬ã‚’ä½œã£ãŸèƒŒæ™¯ã¨ã„ã†ã®ãŒã€å…ˆæ—¥mysqlcasualã§LTã—ãŸ IBM DB2ã‹ã‚‰MySQLã¸ã®ç§»è¡Œ ã®ä¸ã§ã€å”¯ä¸€ç§»è¡Œã§ããªã‹ã£ãŸãƒžãƒ¼ã‚±ãƒ†ã‚£ãƒ³ã‚°ã®ç”¨é€”ã§ä½¿ç”¨ã•ã‚Œã¦ã„ã‚‹DBã«ã‚ã‚Šã¾ã™ã€‚ ç§»è¡Œã§ããªã‹ã£ãŸç†ç”±ã¯ã€ã‚‚ã†ã„ãªã„äººãŒæ®‹ã—ã¦ã„ã£ãŸè¬Žã®é›†è¨ˆç”¨ãƒãƒƒãƒãŒå¤§é‡ã«å‹•ã„ã¦ãŠã‚Šã€ä½•ã‚’ã—ã¦ã„ã‚‹ã®ã‹ã‚ã‹ã‚‹äººã‚‚ãŠã‚‰ãšã€å½“ç„¶ãƒ‰ã‚ãƒ¥ãƒ¡ãƒ³ãƒˆã‚‚æ®‹ã£ã¦ã„ãªã„ãŸã‚ã€å‹•ã‹ã™ã“ã¨ãŒã§ããªã‹ã£ãŸã‹ã‚‰ã§ã—ãŸã€‚ ã¨ã¯ã„ãˆã€ã“ã®ã¾ã¾DB2ã‚’ä½¿ã„ç¶šã‘ã‚‹ã‚ã‘ã«ã¯ã„ã‹ãªã‹ã£ãŸã®ã§ã€åƒ•ãŒãƒ–ãƒ©ãƒƒã‚¯ãƒœãƒƒã‚¯ã‚¹ã«æ‰‹ã‚’å…¥ã‚Œã‚‹ã“ã¨ã«ãªã‚Šã¾ã—ãŸ
mad-p 2013/12/09
SQLã®å®Ÿè¡Œãƒ›ã‚¹ãƒˆã‚’åˆ†æ•£

MySQL
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MySQL 5.6: an incomplete guide to avoiding performance regressions
I spent more time looking at the performance regressions in MySQL 5.6 for single-threaded read-only workloads and I can get 5.6 closer to 5...
mad-p 2013/04/04
MySQL

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mad-p 2012/10/01
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MySQL
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Kazuho@Cybozu Labs: Compressing URLs in your Webapp, for size and speed
Last year I had a chance to talk about the internals of our service: Pathtraq at Percona Performance Conference (slides), in which I described the methods we use to compress the URLs in our database to below 40% of the original size, however had not released the source code since then.Â I am sorry for the delay, but have finally uploaded the code to github.com/kazuho/url_compress. It is generally
mad-p 2010/10/21
mysql
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mad-p 2010/10/19
yapcasia

yapcasia2010

Perl

MySQL

Q4M
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mad-p 2010/07/05
MySQL
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mad-p 2009/10/23
MySQL

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mad-p 2009/04/21
MySQL

sun

oracle

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