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harumaki_net 2015/04/07
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harumaki_net 2015/03/06
MongoDB
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2. è‡ªå·±ç´¹ä»‹ {"ID" ï¼š"fetaro" "åå‰" ï¼š"æ¸¡éƒ¨ å¾¹å¤ªéƒŽ" "çµŒæ´" ï¼š"å¦ç”Ÿæ™‚ä»£ã¯æƒ…å ±æ¤œç´¢ã®ç ”ç©¶(@æ—¥æœ¬ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹å¦ä¼š)" "ä»•äº‹" ï¼š{"æ˜”":"è¨¼åˆ¸ä¼šç¤¾ã®ã‚ªãƒ³ãƒˆãƒ¬ã‚·ã‚¹ãƒ†ãƒ ã®WebåŸºç›¤", "ä»Š":"ã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹å…¨èˆ¬"} "ç‰¹æŠ€"ï¼š["ã‚µãƒ¼ãƒåŸºç›¤","Linux","KVM","ruby","Mongo DB"] "ã‚¨ãƒ‡ã‚£ã‚¿"ï¼š"emacsæ´¾" "è¶£å‘³"ï¼š"è‡ªå®…ã‚µãƒ¼ãƒ" "Mongo DBé–¢é€£"ï¼š{ ï¼"ï¼“å¹´å‰ã«ã€å‹äººã®çµå©šå¼ç”¨ã®ã‚¢ãƒ—ãƒªã‚’ä½œã£ãŸæ™‚ã«åˆ©ç”¨" ï¼"æŠ€è©•è¨˜äº‹ã€ŒMongo DBã§ã‚†ã‚‹ãµã‚DBä½“é¨“ã€" ï¼"æ—¥çµŒSYSTEMS 8æœˆå· ã€Œãƒ‰ã‚ãƒ¥ãƒ¡ãƒ³ãƒˆæŒ‡å‘ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã€" } } 2 3. NoSQLã®ä½ç½®ã¥ã‘ â€¢ NoSQLã¯ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã®ä¸ã§ã‚‚ã€ ã‚¹ã‚ãƒ¼ãƒžãƒ¬ã‚¹ï¼†ãƒ“ãƒƒã‚¯ãƒ‡ãƒ¼ã‚¿ãŒå¾—æ„ã§ã€ã‚ªãƒ³ãƒ©ã‚¤ãƒ³æ“ä½œå‘ã‘ NoSQL â€¢ Mongo DB â€¢ Cassandra â€¢ C
harumaki_net 2015/02/28
MongoDB
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2. è‡ªå·±ç´¹ä»‹ åå‰ï¼šæ¸¡éƒ¨ å¾¹å¤ªéƒŽ @fetaro ãƒ–ãƒã‚° æ‰€å±žï¼šé‡Žæ‘ç·åˆç ”ç©¶æ‰€ OpenStandiaãƒãƒ¼ãƒ å¦ç”Ÿï¼šæ±å·¥å¤§ã§æƒ…å ±æ¤œç´¢ã®ç ”ç©¶(@æ—¥æœ¬ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹å¦ä¼š) ä»•äº‹ï¼šæ˜”:å¤§æ‰‹è¨¼åˆ¸ä¼šç¤¾ã®ã‚ªãƒ³ãƒˆãƒ¬ã‚·ã‚¹ãƒ†ãƒ ã®WebåŸºç›¤ ä»Š:ã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹å…¨èˆ¬ã®ã‚µãƒãƒ¼ãƒˆ/ã‚³ãƒ³ã‚µãƒ« ç‰¹æŠ€ï¼šã‚µãƒ¼ãƒåŸºç›¤ã€Linuxã€KVMã€rubyã€Mongo DB(?) ã‚¨ãƒ‡ã‚£ã‚¿ï¼šemacsæ´¾ è¶£å‘³ï¼šè‡ªå®…ã‚µãƒ¼ãƒ Mongo DBé–¢é€£ï¼š â€¢ 2å¹´å‰ã«ã€å‹äººã®çµå©šå¼ç”¨ã®ã‚¢ãƒ—ãƒªã‚’ä½œã£ãŸæ™‚ã«åˆ©ç”¨ â€¢ ã“ã®å‹‰å¼·ä¼šï¼ˆä¸¸ã®å†…Mongo DBå‹‰å¼·ä¼šï¼‰ã®ä¸»å‚¬è€…ã®ä¸€äºº â€¢ æŠ€è©•ã§è¨˜äº‹é€£è¼‰ä¸ã€ŒMongo DBã§ã‚†ã‚‹ãµã‚DBä½“é¨“ã€
harumaki_net 2014/10/15
MongoDB
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harumaki_net 2014/10/06
MongoDB

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19. Mongo DBã®Index å•†å“å ãƒœãƒ¼ãƒ«ãƒšãƒ³ ã‚¿ã‚° å€¤æ®µ æ—¥ç”¨å“, ç†è¨˜ç”¨å…· 198 åŒ…ä¸ æ—¥ç”¨å“, åˆƒç‰©, ã‚ãƒƒãƒãƒ³ 2980 ãƒãƒŠãƒŠ é£Ÿæ–™å“, æžœç‰© 348 ã»ã†ã‚Œã‚“è‰ é£Ÿæ–™å“, é‡Žèœ 98 ç‰›ä¹³ é£Ÿæ–™å“, 148 é£Ÿæ–™å“ã§200ä»¥ä¸‹ã®å•†å“ã‚’å–å¾— 20. Mongo DBã®Index å•†å“å ã‚¿ã‚° å€¤æ®µ ãƒœãƒ¼ãƒ«ãƒšãƒ³ æ—¥ç”¨å“, ç†è¨˜ç”¨å…· 198 åŒ…ä¸ æ—¥ç”¨å“, åˆƒç‰©, ã‚ãƒƒãƒãƒ³ 2980 ãƒãƒŠãƒŠ é£Ÿæ–™å“, æžœç‰© 348 ã»ã†ã‚Œã‚“è‰ é£Ÿæ–™å“, é‡Žèœ 98 ç‰›ä¹³ é£Ÿæ–™å“, 148 å•†å“ãƒ»ãƒ†ãƒ¼ãƒ–ãƒ« CREATE TABLE å•†å“ ( id INT PRIMARY, å•†å“å VARCHAR(100) ); ã‚¿ã‚°ãƒ»ãƒ†ãƒ¼ãƒ–ãƒ« CREATE TABLE ã‚¿ã‚° ( å•†å“id INT, ã‚¿ã‚°å VARCHAR(100), å€¤æ®µ INT, KEY(ã‚¿ã‚°å,å€¤æ®µ) ); é£Ÿæ–™å“ã§200ä»¥ä¸‹ã®å•†å“ å•†å“
harumaki_net 2013/11/18
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harumaki_net 2013/08/21
Hadoop

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harumaki_net 2013/05/20
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harumaki_net 2013/03/12
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harumaki_net 2013/01/29
MongoDB

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harumaki_net 2012/11/11
NoSQL

MongoDB

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harumaki_net 2012/10/24
MongoDB

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MongoDBã‚’ext3ã§ä½¿ã£ãŸã‚‰æ»ã‚“ã Â· DQNEOæ—¥è¨˜
Linux File Systems Mongo DB uses large files for storing data, and preallocates these. These filesystems seem to work well: ext4 ( kernel version >= 2.6.23 ) xfs ( kernel version >= 2.6.25 ) In addition to the file systems above you might also want to (explicitly) disable file/directory modification times by using these mount options: noatime (also enables nodiratime) We have found ext3 to be very
harumaki_net 2012/04/26
MongoDB
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Mongo DBã‚’åŠå¹´é‹ç”¨ã—ã¦ã¿ãŸ
Mongo DB is a document-oriented database that stores data in flexible, JSON-like documents. It supports features like replication, auto-sharding, and indexing. The document discusses using Mongo DB with Ameba Pico's photo tagging service, including initial implementation with one shard, expanding to multiple shards as user numbers grow over time, and repairing and upgrading shards over time to suppo
harumaki_net 2012/01/19
MongoDB

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