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Ichii gree-crooz-20120126
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Ichii gree-crooz-20120126

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  • 1. ( ) 2012/01/26 (thu) at 2012 #1 / ichii@gree.co.jp / @ichii386Thursday, January 26, 12
  • 2. • • 13F • 7 • • MySQL, Solaris, ZFS, InfiniBand • • • perl,Thursday, January 26, 12
  • 3. • DB FILE KVS hadoop? • • pageview • • phpmyadmin SQLThursday, January 26, 12
  • 4. • pv.page=foo.gender=female.age=20 • “foo” 20 pv • iPhone • web • :1 x 7 • ID • • pv? pageview? •Thursday, January 26, 12
  • 5. ? • KVS • key pv { • key page: “foo”; • gender: “female”; age: 20; • } • hash O(1) • mongoDB ? • ... !Thursday, January 26, 12
  • 6. • 3776 • “key= , value=3776 ”Thursday, January 26, 12
  • 7. (2) • : WolframAlpha •Thursday, January 26, 12
  • 8. • key serialize • key string CREATE TABLE kvs ( date DATE, • key KVS key VARCHAR, val DECIMAL, • key string UNIQUE KEY (date, key, val), FULLTEXT KEY (key) • SVC ) ENGINE=mroonga; pv.page=foo.gender=female.age=20 • • • false positive • “ key KVS”Thursday, January 26, 12
  • 9. • (key string ) • RDB schema • schema less • • schema : pageview • key key • MySQL JOIN ! • MySQLThursday, January 26, 12
  • 10. • key KVS • • • • • • • MySQL mongo hadoop •Thursday, January 26, 12
  • 11. : • http://gree.co.jp/recruit/Thursday, January 26, 12