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hide-K 2009/08/11
database
ãƒªãƒ³ã‚¯
Partitioning vs. Federation vs. Sharding - Esoteric Curio
hide-K 2009/06/01
database

sharding
ãƒªãƒ³ã‚¯
Database Sharding
Database ShardingThe Rise of Database Sharding The concept of Database Sharding has been gaining popularity over the past several years, due to the enormous growth in transaction volume and size of business application databases. This is particularly true for many successful online service providers, Software as a Service (SaaS) companies, and social networking Web sites. Database Sharding can
hide-K 2009/06/01
database

sharding
ãƒªãƒ³ã‚¯
Re URLã‚’æ‰±ã†ãƒ†ãƒ¼ãƒ–ãƒ«ã‚’ä½œã‚‹ã¨ãã«ã©ã†ã™ã¹ãã‹ - kazuhoã®ãƒ¡ãƒ¢ç½®ãå ´
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hide-K 2009/03/17
mysql

database
ãƒªãƒ³ã‚¯
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hide-K 2009/03/04
database

key-value
ãƒªãƒ³ã‚¯
Key-Value Store å‹‰å¼·ä¼šã‚’é–‹å‚¬ã—ã¾ã—ãŸã€‚ - moratorium
Key-Value Store å‹‰å¼·ä¼šã‚’é–‹å‚¬ã—ã¾ã—ãŸã€‚ 2009-02-26 (Thu) 3:08 å‹‰å¼·ä¼š ã‚‚ã†å…ˆé€±ã®é‡‘æ›œæ—¥ã«ãªã‚Šã¾ã™ãŒã€Key-Value Storeå‹‰å¼·ä¼šã¨ã„ã†ã®ã‚’é–‹ãã¾ã—ãŸã€‚ æ—¢ã«ç´ æ™´ã‚‰ã—ã„ã¾ã¨ã‚ã‚¨ãƒ³ãƒˆãƒªãŒæœ‰ã‚Šã¾ã™ã®ã§ã€è©³ç´°ã¯ã“ã¡ã‚‰ã‚’ã”è¦§ä¸‹ã•ã„ã€‚ Key-Value Storeå‹‰å¼·ä¼šã«è¡Œã£ã¦ãã¾ã—ãŸ by katsumaã•ã‚“ Key-Value Storeå‹‰å¼·ä¼š by shudoã•ã‚“ ã¯ã¦ãªãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ã€Œkvsã€ã‚¿ã‚° UStreaméŒ²ç”»å‹•ç”» by ichiiã•ã‚“ æ—¥çµŒBPç¤¾ ä¸ç”°ã•ã¾ã«ã¯ã€è‰ã®æ ¹çš„å‹‰å¼·ä¼šã«ã‚‚é–¢ã‚ã‚‰ãšã€è¨˜äº‹ã«ã—ã¦é ‚ãã¾ã—ãŸã€‚æœ‰é›£ã†ã”ã–ã„ã¾ã™ã€‚ ã€Œã‚ãƒ¼ãƒ»ãƒãƒªãƒ¥ãƒ¼åž‹ãƒ‡ãƒ¼ã‚¿ã‚¹ãƒˆã‚¢ã€é–‹ç™ºè€…ãŒå¤§é›†åˆã—ãŸå¤œ ã¾ãŸã€è¬›å¸«ã®æ–¹ã€…ã«ç™ºè¡¨è³‡æ–™ç‰ã‚’ã‚¢ãƒƒãƒ—ãƒãƒ¼ãƒ‰ã—ã¦é ‚ã„ã¦ãŠã‚Šã¾ã™ã€‚ æœ«æ°¸ã•ã‚“: å…¨æ–‡æ¤œç´¢ã‚¨ãƒ³ã‚¸ãƒ³groongaã‚’ãƒ†ã‚¹ãƒˆãƒªãƒªãƒ¼ã‚¹ã—ã¾ã—ãŸ å±±ç”°ã•ã‚“: About L
hide-K 2009/03/02
database

storage

event

ã¾ã¨ã‚
ãƒªãƒ³ã‚¯
FriendFeedã¯ã©ã®ã‚ˆã†ã«ã‚¹ã‚ãƒ¼ãƒžãƒ¬ã‚¹ãªãƒ‡ãƒ¼ã‚¿ã‚’MySQLã«æ ¼ç´ã—ã¦ã„ã‚‹ã‹ - ãƒ¢ã‚¸ãƒã‚°
FriendFeedã®Bret TaylorãŒã€ã‚¹ã‚ãƒ¼ãƒžãƒ¬ã‚¹ãªãƒ‡ãƒ¼ã‚¿ï¼ˆã‚¹ã‚ãƒ¼ãƒžï¼ˆåž‹ï¼‰ã«åˆ¶ç´„ã•ã‚Œãªã„ãƒ‡ãƒ¼ã‚¿ï¼‰ã‚’MySQLã«æ ¼ç´ã™ã‚‹æ–¹æ³•ã‚’ç´¹ä»‹ã—ã¦ã„ã‚‹ã€‚å®Ÿéš›ã«FriendFeedã§ä½¿ã£ã¦ã„ã‚‹æ–¹æ³•ã§ã€æœ€æ–°ã®ã‚‚ã®ã‚‰ã—ã„ã€‚ Bret Taylor's blog - How FriendFeed uses MySQL to store schema-less data http://bret.appspot.com/entry/how-friendfeed-uses-mysql MySQLã‚’é€šå¸¸ã®RDBçš„ãªæ–¹æ³•ã§ãªãã‚¹ãƒˆãƒ¬ãƒ¼ã‚¸çš„ã«ä½¿ã„ã€JOINã‚’ä½¿ã‚ãªã„ã§ã‚¹ã‚±ãƒ¼ãƒ«ã•ã›ã‚‹ã¨ã„ã†ã‚‚ã®ã€‚CouchDBãªã©ã«ã‚‚è¿‘ã„ã€æœ€è¿‘æœ‰åŠ›ã«ãªã‚Šã¤ã¤ã‚ã‚‹ã‚¢ãƒ—ãƒãƒ¼ãƒã ã€‚ã“ã‚Œã‚’ã€å®Ÿç¸¾ã‚‚ã‚ã‚Šæ™®åŠã—ã¦ã„ã‚‹MySQLã‚’ä½¿ã£ã¦å®Ÿç¾ã—ã€è¨€èªžã¯Pythonã§å®Ÿè£…ã—ã¦ã„ã‚‹ã€‚ ãƒ¡ã‚¤ãƒ³ã®ãƒ†ãƒ¼ãƒ–ãƒ«ã¯æ¬¡ã®ã‚ˆã†ãªã‚‚ã®ã€‚ CREATE TABLE ent
hide-K 2009/03/02
database

mysql
ãƒªãƒ³ã‚¯
HowFriendFeedUsesMySqlToStoreSchemaLessData - FriendFeed ã§ã¯ MySQL ã‚’ä½¿ã„ã©ã®ã‚ˆã†ã«ã‚¹ã‚ãƒ¼ãƒžãƒ¬ã‚¹ã®ãƒ‡ãƒ¼ã‚¿ã‚’ä¿å˜ã—ã¦ã„ã‚‹ã®ã‹
HowFriendFeedUses MySqlToStoreSchemaLessData - FriendFeed ã§ã¯ MySQL ã‚’ä½¿ã„ã©ã®ã‚ˆã†ã«ã‚¹ã‚ãƒ¼ãƒžãƒ¬ã‚¹ã®ãƒ‡ãƒ¼ã‚¿ã‚’ä¿å˜ã—ã¦ã„ã‚‹ã®ã‹ ç›®æ¬¡ ã“ã®è¨˜äº‹ã«ã¤ã„ã¦ FriendFeed? ã§ã¯ MySQL ã‚’ä½¿ã„ã©ã®ã‚ˆã†ã«ã‚¹ã‚ãƒ¼ãƒžãƒ¬ã‚¹ã®ãƒ‡ãƒ¼ã‚¿ã‚’ä¿å˜ã—ã¦ã„ã‚‹ã®ã‹ èƒŒæ™¯ æ¦‚è¦³ è©³ç´° ä¸€è²«æ€§ã¨åŽŸåæ€§ æ€§èƒ½ FriendFeed? ã§ã¯ MySQL ã‚’ä½¿ã„ã©ã®ã‚ˆã†ã«ã‚¹ã‚ãƒ¼ãƒžãƒ¬ã‚¹ã®ãƒ‡ãƒ¼ã‚¿ã‚’ä¿å˜ã—ã¦ã„ã‚‹ã®ã‹ ã“ã®è¨˜äº‹ã«ã¤ã„ã¦ "How FriendFeed? uses MySQL to store schema-less data" ã®æ—¥æœ¬èªžè¨³ã§ã™ http://bret.appspot.com/entry/how-friendfeed-uses-mysql CC 2.5 ã§ãƒ©ã‚¤ã‚»ãƒ³ã‚¹ã•ã‚Œã¦ã„ã¾ã™: http://creativecommons.org/
hide-K 2009/03/02
database

mysql
ãƒªãƒ³ã‚¯
SSD ã¨ã‚¹ãƒˆãƒ¬ãƒ¼ã‚¸ã®å°†æ¥ - kazuhoã®ãƒ¡ãƒ¢ç½®ãå ´
SQL ã«ç—›ç—’æ„Ÿã‚’æ„Ÿã˜ã‚‹æ—¥ã€…ã‚’éŽã”ã—ã¦ã„ã‚‹èº«ã¨ã—ã¦ã¯ã€RDBMS ãŒãƒ¬ã‚¬ã‚·ãƒ¼ã ã¨ã„ã†ã®ã¯ã€ã¾ã£ãŸãåŒæ„Ÿã§ã™ãŒã€‚ SSDã‚’å‰æã«ã—ãŸãƒ—ãƒã‚°ãƒ©ãƒ ãƒ¢ãƒ‡ãƒ«ã«ãªã‚Œã°ã€ãã‚‚ãã‚‚ã‚·ãƒ¼ã‚¯æ™‚é–“ã¨æˆ¦ã†ã“ã¨ã‚‚ãªãã€ã‚¹ãƒˆãƒ¬ãƒ¼ã‚¸ã‚’æ„è˜ã›ãšã«ãƒ—ãƒã‚°ãƒ©ãƒ ãŒçµ„ã‚ã¾ã™ã€‚ãã†ãªã£ãŸã¨ãã€ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã®ãƒ‡ãƒ¼ã‚¿ã‚’æ°¸ç¶šåŒ–ã™ã‚‹ãŸã‚ã«RDBMSã‚’ã‚ã–ã‚ã–ä½¿ã†ã“ã¨ã¯ãªã„ã§ã—ã‚‡ã†ã€‚ 2008-12-12 ãã‚“ãªã“ã¨ãªã„ã¨æ€ã„ã¾ã™ã€‚ç†ç”±ã¯ä»¥ä¸‹ã®ï¼’ç‚¹ã€‚ ãƒ•ãƒ©ãƒƒã‚·ãƒ¥ã®æ›¸ãæ›ãˆãƒ–ãƒãƒƒã‚¯ã‚µã‚¤ã‚ºã¯æ•°ã‚ãƒãƒã‚¤ãƒˆä»¥ä¸Š ãƒˆãƒ©ãƒ³ã‚¶ã‚¯ã‚·ãƒ§ãƒ³ã¯æ„è˜ã—ã¦å®Ÿè£…ã›ã–ã‚‹ã‚’å¾—ãªã„ ãƒ•ãƒ©ãƒƒã‚·ãƒ¥ãƒ¡ãƒ¢ãƒªã¯ãƒ©ãƒ³ãƒ€ãƒ ãƒªãƒ¼ãƒ‰ã§ãã¾ã™ãŒã€DRAM ã®ã‚ˆã†ã«ãƒ©ãƒ³ãƒ€ãƒ ãƒ©ã‚¤ãƒˆã§ãã‚‹ã‚ã‘ã§ã¯ã‚ã‚Šã¾ã›ã‚“ã€‚æ›¸ãè¾¼ã¿ãŒéžå¸¸ã«é…ã„ã®ã«åŠ ãˆã¦æ›¸ãæ›ãˆå›žæ•°ã®åˆ¶é™ã‚‚ã‚ã‚‹ã®ã§ã€ãƒ¡ã‚¤ãƒ³ãƒ¡ãƒ¢ãƒªã¨åŒæ§˜ã®ãƒ—ãƒã‚°ãƒ©ãƒ æ‰‹æ³•ã‚’ä½¿ã†ã®ã¯é›£ã—ã„ã¨æ€ã„ã¾ã™ã€‚ æ¬¡ã«ãƒˆãƒ©ãƒ³ã‚¶ã‚¯ã‚·ãƒ§ãƒ³ã«ã¤ã„ã¦ã§ã™ãŒã€çµ„ã¿è¾¼ã¿åž‹ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã¨ã—ã¦
hide-K 2008/12/13
database

ssd
ãƒªãƒ³ã‚¯
ROM
Ruby Object Mapper is an open-source persistence and mapping toolkit for Ruby built for speed and simplicity. Learn MoreSupport rom-rb SponsorsWe are looking for sustainable sponsorship. If your company is relying on rom-rb or simply want to see rom-rb evolve faster to meet your requirements, please consider backing the project through our campaign on opencollective.com/rom.
hide-K 2008/06/26
ruby

database
ãƒªãƒ³ã‚¯
1