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Ooo id:Ooo

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2020å¹´ç¾åœ¨ã®NewSQLã«ã¤ã„ã¦ - Qiita
Disclaimer å½“è¨˜äº‹ã¯NewSQLé–‹ç™ºãƒ™ãƒ³ãƒ€ã®æŠ€è¡“ãƒ–ãƒã‚°ã‚„å„ç¨®è«–æ–‡ã€ãã®ä»–ãƒ‹ãƒ¥ãƒ¼ã‚¹ã‚µã‚¤ãƒˆç‰ã®å†…å®¹ã‚’å€‹äººçš„ã«ã¾ã¨ã‚ãŸã‚‚ã®ã§ã™ã€‚ ãã®ãŸã‚ã€ç†è§£ä¸è¶³ç‰ã«èµ·å› ã™ã‚‹èª¤è§£ãƒ»èª¤èªã‚’å«ã‚€å¯èƒ½æ€§ãŒã‚ã‚Šã¾ã™ã€‚æ›´ãªã‚‹ç†è§£ãŒå¿…è¦ãªæ–¹ã¯ãƒªãƒ•ã‚¡ãƒ¬ãƒ³ã‚¹ã«æŒ™ã’ãŸå„ç¨®æ–‡çŒ®ã‚’ç›´æŽ¥å‚ç…§ä¸‹ã•ã„ã€‚æŠ€è¡“çš„ãªæŒ‡æ‘˜ã¯å¯èƒ½ã§ã‚ã‚Œã°å–ã‚Šè¾¼ã¿ä¿®æ£ã—ã¾ã™ãŒã€è¿…é€Ÿãªå¯¾å¿œã¯ãŠç´„æŸã§ãã¾ã›ã‚“ã€‚ NewSQLã®è§£èª¬ã¯äºŒéƒ¨æ§‹æˆ å½“è¨˜äº‹ã¯å‰ç·¨ã§NewSQLã®æ¦‚è¦ç·¨ã¨ãªã‚‹ã€‚ å…¨ä½“ã®ç›®æ¬¡ã¯ä¸‹è¨˜ã§ã‚ã‚‹ã€‚ NewSQLã¨ã¯ä½•ã‹ NewSQLã®ã‚¢ãƒ¼ã‚ãƒ†ã‚¯ãƒãƒ£ NewSQLã¨ã“ã‚Œã¾ã§ã®ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã®æ¯”è¼ƒ NewSQLã®ã‚³ãƒ³ãƒãƒ¼ãƒãƒ³ãƒˆè©³è§£ 1ç« ã‹ã‚‰3ç« ã¾ã§ã®å†…å®¹ã‚’å½“è¨˜äº‹ã§è§£èª¬ã™ã‚‹ã€‚ 4ç« ã¯ã•ã‚‰ã«è©³ç´°ãªæŠ€è¡“çš„è§£èª¬ã¨ãªã‚Šã€å¾Œç·¨ã®ã€ŒNewSQLã®ã‚³ãƒ³ãƒãƒ¼ãƒãƒ³ãƒˆè©³è§£ã€ã§è¨˜è¿°ã—ã¦ã„ã‚‹ã€‚ ã“ã¡ã‚‰ã‚‚åˆã‚ã›ã¦ä¸€èªã„ãŸã ããŸã„ã€‚ 1. NewSQLã¨ã¯ä½•ã‹ NewSQLã¨ã¯ã€æµ·
Ooo 2020/02/28
nosql

sql

newsql

database
ãƒªãƒ³ã‚¯
Edge and Mobile | MongoDB
AnnouncementIntroducing Mongo DB 8.0, the fastest Mongo DB ever! Read more >>
Ooo 2018/07/02
mongodb

nosql

mobile

database
ãƒªãƒ³ã‚¯
ArangoDB ã£ã¦ã®ãŒé¢ç™½ã„ã¨æ€ã†ã‚“ã - åè¦‹ãƒ—ãƒã‚°ãƒ©ãƒžã®èªžã‚Šï¼
æœ€è¿‘ Graph database ãŒç››ã‚Šä¸ŠãŒã£ã¦ã‚‹ã‚ˆã†ã«æ„Ÿã˜ã‚‹ã€‚ ã•ã¦ Arango DB ã¨ã„ã† DB ã‚’çŸ¥ã£ã¦ã„ã‚‹ã ã‚ã†ã‹ã€‚ MySQL ã¨ã‹ Mongo DB ã¨ã‹ã¨æ¯”ã¹ã‚‹ã¨çŸ¥ååº¦ã¯ä½Žã„ã‚‚ã®ã®ã€NoSQLã€ã¨ã‚Šã‚ã‘ Graph database ç•Œéšˆã§ã¯åãŒçŸ¥ã‚‰ã‚Œã¦ã„ã‚‹ã€‚Graph database ç•Œéšˆã¨æ›¸ã„ãŸãŒã€ã•ã—ãšã‚ã“ã®é ˜åŸŸã§ã¯ Neo4j ãŒå¹…ã‚’åˆ©ã‹ã›ã¦ã„ã‚‹ã€‚Neo4j ãªã‚‰èžã„ãŸã“ã¨ã‚ã‚‹ã£ã¦äººã¯ãŸãã•ã‚“ã„ã‚‹ã¨æ€ã†ã€‚ Graph databases ãƒ»Neo4j Neo4j ã®å¼·ã¿ã¨ã—ã¦ã¯ã€ãã®ã‚¯ã‚¨ãƒªè¨€èªžã§ã‚ã‚‹ Cypher ã®èªã¿ã‚„ã™ã•ãŒä¸€ã¤æŒ™ã’ã‚‰ã‚Œã‚‹ã€‚Cypher ã®ç´¹ä»‹ãƒšãƒ¼ã‚¸ ã«æ›¸ã‹ã‚Œã¦ã„ã‚‹æœ€åˆã®ã‚µãƒ³ãƒ—ãƒ«ã‚’å¼•ç”¨ã™ã‚‹ã¨ã€ã“ã†ã ã€‚ MATCH(:Person{ name:"Ann"})-[:MARRIED_TO]->(spouse) ã“ã®ã‚¯ã‚¨ãƒªã¯ã€Œname ãŒ "Ann"
Ooo 2018/04/24
nosql

database

graph
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NoSQL Databases: a Survey and Decision Guidance
(At the bottom of this page, you find a BibTeX reference to cite this article.) Together with our colleagues at the University of Hamburg, we â€” that is Felix Gessert, Wolfram Wingerath, Steffen Friedrich and Norbert Ritter â€” presented an overview over the NoSQL landscape at SummerSOCâ€™16 last month. Here is the written gist. We give our best to convey the condensed NoSQL knowledge we gathered build
Ooo 2016/08/16
database

nosql
ãƒªãƒ³ã‚¯
GitHub - cockroachdb/cockroach: CockroachDB â€” the cloud native, distributed SQL database designed for high availability, effortless scale, and control over data placement.
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Ooo 2014/06/16
go

golang

database

nosql
ãƒªãƒ³ã‚¯
redisãƒ‰ã‚ãƒ¥ãƒ¡ãƒ³ãƒˆæ—¥æœ¬èªžè¨³ â€” redis 2.0.3 documentation
ç¿»è¨³ã«ã¤ã„ã¦Â¶ ã“ã®ãƒ‰ã‚ãƒ¥ãƒ¡ãƒ³ãƒˆã¯ã€Redisã®Wiki(http://code.google.com/p/redis/wiki/)ã®å†…å®¹ã‚’å‚è€ƒã«ã—ãªãŒã‚‰ã€æ§‹æˆãªã©ã¯Sphinxã«åˆã‚ã›ã¤ã¤ç¿»è¨³ã—ã¦ã„ã¾ã™ã€‚ã¾ãŸã€å¿…è¦ã«å¿œã˜ã¦ã€é…å¸ƒç‰©ã®ä¸ã®ãƒ•ã‚¡ã‚¤ãƒ«ãªã©ã‚‚å¼•ç”¨ã—ãªãŒã‚‰è¨³ã—ã¦ã„ã¾ã™ã€‚
Ooo 2013/09/28
document

kvs

redis

nosql

manual
ãƒªãƒ³ã‚¯
MongoDBãŒé©ã•ãªã„ã‚±ãƒ¼ã‚¹ - ä¸å¹´engineerã®ç‹¬ã‚Šè¨€ - crumbjp
> åŽŸæ–‡(Why Mongo DB is a bad choice for storing our scraped data) ç§è‡ªèº«ã¯Mongo DBã‚’æŽ¨é€²ã™ã‚‹ç«‹å ´ãªã®ã ãŒã€ç¢ºã‹ã«Mongo DBã«é©ã•ãªã„ã‚±ãƒ¼ã‚¹ã¯ã‚ã‚‹ã€‚ é—‡é›²ã«æŽ¨é€²ã—ã¦ã‚‚çµå±€ã¯å…¨å“¡ãŒã‚¢ãƒ³ãƒãƒƒãƒ”ãƒ¼ã«ãªã‚‹ã®ã§ã€ã“ã®æ§˜ãªãƒã‚¿ã‚‚ã©ã‚“ã©ã‚“ç´¹ä»‹ã—ã¦ã„ã“ã†ã¨æ€ã†ã€‚ ã“ã®è¨˜äº‹ã¯Mongo DBã‚’å¾¹åº•çš„ã«ä½¿ã„å°½ãã—ãŸã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ãŒæ›¸ã„ã¦ã„ã‚‹æ§˜ã§çŠ¶æ³ãŒè‰¯ãè§£ã£ãŸã€‚ ã¡ã‚‡ã£ã¨é›£ã—ã„æ‰€ã‚‚ã‚ã‚‹ã®ã§è¦ç‚¹ã‚’æ„è¨³ã—ã¦ã€è»½ãè§£èª¬ã‚’æ›¸ã„ã¦ã¿ã‚‹ã€‚ ï¼ˆã‚‚ã¡ã‚ã‚“æ˜¯éžåŽŸæ–‡ã§èªã‚€ã®ã‚’ãŠå‹§ã‚ã™ã‚‹ï¼‰ çŠ¶æ³ æœ€åˆã¯Mongo DBã§ã†ã¾ãå‹•ã„ã¦ã„ãŸãŒã€ã ã‚“ã ã‚“è‹¦åŠ´ãŒå¢—ãˆã¦ãã¦ å…ƒã€…ã®ã‚¢ãƒ¼ã‚ãƒ†ã‚¯ãƒãƒ£ã‚’åˆ·æ–°ã™ã‚‹ã‚¿ã‚¤ãƒŸãƒ³ã‚°ã§Mongo DBã‹ã‚‰åˆ¥ã®ãƒ—ãƒãƒ€ã‚¯ãƒˆã«ä¹—ã‚Šæ›ãˆã‚‹äº‹ã«ã—ãŸã€‚ ã‚·ã‚¹ãƒ†ãƒ ã®è¦æ¨¡ è©³ã—ãæ›¸ã‹ã‚Œã¦ã„ãªã„ãŒã€ï¼‘ãƒŽãƒ¼ãƒ‰è¾ºã‚Šæ•°TBã¨ã‚ã‚‹ã®ã§Shardingç’°å¢ƒã§ã¯ãªã„ã‹ã¨æ€ã‚ã‚Œã‚‹ã€‚
Ooo 2013/05/20
mongodb

database

nosql
ãƒªãƒ³ã‚¯
http://jsoniq.org/index.html
Ooo 2012/09/30
nosql

json

language

filter

processing

query

sql

javascript
ãƒªãƒ³ã‚¯
Cassandraã‚¯ãƒ©ã‚¹ã‚¿ã¨ã€DataStax OpsCenterã®æ§‹ç¯‰ | ã•ã¶ã¿ã£ã¨ï¼JAPAN
Cassandraã®ã‚¯ãƒ©ã‚¹ã‚¿ç’°å¢ƒã‚’æ§‹ç¯‰ã—ã¦ã€DataStax OpsCenterã§ãƒ‡ãƒ¼ã‚¿ã®ç®¡ç†ãŒã§ãã‚‹ã‚ˆã†ã«ã—ã¾ã™ã€‚ Cassandraã®è¨å®šæ–¹æ³•ã®ã‚µãƒ³ãƒ—ãƒ«ã‚’è¼‰ã›ã¦ã„ã‚‹blogãªã©ã¯æ²¢å±±ã‚ã‚‹ã®ã§ã™ãŒã€æ—§ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã®Cassandraã‚’è©¦ã—ã¦ã„ã‚‹è¨˜äº‹ãŒå¤šãã¦ã€é »ç¹ã«ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã‚¢ãƒƒãƒ—ã™ã‚‹Cassandraã«æƒ…å ±ãŒè¿½ã„ã¤ã„ã¦ã„ã¾ã›ã‚“ã€‚ ã“ã“ã§ã¯ã€æ–°ã—ãCassandraã‚’è©¦ã—ã¦ã¿ãŸã„æ–¹ã«å‚è€ƒã«ãªã‚Œã°ã¨è€ƒãˆã¦è¨˜äº‹ã‚’æ›¸ãã¾ã—ãŸã€‚ ã¾ãŸã€DataStax OpsCenterã¨ã„ã†ãƒ„ãƒ¼ãƒ«ã‚’åˆ©ç”¨ã—ã¦ã€ãƒ‡ãƒ¼ã‚¿ã®å¯è¦–åŒ–ã«ã‚‚æŒ‘æˆ¦ã—ã¦ã„ã¾ã™ã€‚ Cassandraã¨ã¯ å…¬å¼ãƒšãƒ¼ã‚¸ï¼šhttp://cassandra.apache.org æ£å¼åç§°ã¯Apache Cassandraã§ã™ã€‚ Wikiã‚ˆã‚Šå¼•ç”¨ ã€ŽCassandraã¯ã€éžå¸¸ã«é«˜ã„ã‚¹ã‚±ãƒ¼ãƒ©ãƒ“ãƒªãƒ†ã‚£ãƒ¼ã‚’æŒã¡ã€ã‚¤ãƒ™ãƒ³ãƒãƒ¥ã‚¢ãƒ«ã‚³ãƒ³ã‚·ã‚¹ãƒ†ãƒ³ãƒˆãªåˆ†æ•£ã‚·ã‚¹ãƒ†ãƒ æ§‹é€ ã®KVS
Ooo 2012/08/20
apache cassandra

cassandra

datastax

opscenter

nosql

cluster

server

java
ãƒªãƒ³ã‚¯
MongoDBã®ã‚¢ãƒ¬ã‚’ã‚¢ãƒ¬ã™ã‚‹
1. Mongo DBã®ã‚¢ãƒ¬ã‚’ã‚¢ãƒ¬ã™ã‚‹ æ ªå¼ä¼šç¤¾ã‚µã‚¤ãƒãƒ¼ã‚¨ãƒ¼ã‚¸ã‚§ãƒ³ãƒˆ ã‚¢ãƒ¡ãƒ¼ãƒäº‹æ¥æœ¬éƒ¨ãƒ”ã‚°ãƒ‡ã‚£ãƒ´ã‚£ã‚¸ãƒ§ãƒ³ æ¡‘é‡Žâ€ƒç« å¼˜ 12å¹´7æœˆ8æ—¥æ—¥æ›œæ—¥ 2. ã‚¢ã‚¸ã‚§ãƒ³ãƒ€ ï® Mongo DBCasual ï® ã‚‚ã‚“ã”ãŸã‚“ã«ã¤ã„ã¦ãŠã•ã‚‰ã„ ï® é‹ç”¨æ™‚ã«ã‚ã£ãŸã“ã¨é›† ï® éšœå®³æ™‚ä½•è¦‹ã‚‹ï¼Ÿ ï® ã¾ã¨ã‚ 12å¹´7æœˆ8æ—¥æ—¥æ›œæ—¥ 3. è‡ªå·±ç´¹ä»‹ ï® æ¡‘é‡Žç« å¼˜ ï¬ ã‚µã‚¤ãƒãƒ¼ã‚¨ãƒ¼ã‚¸ã‚§ãƒ³ãƒˆ ï¬ Ameba ã‚’é‹å–¶ã—ã¦ã„ã¾ã™ã€‚ ï¬ ãƒ”ã‚°ãƒ©ã‚¤ãƒ•ã®é‹ç”¨ï¼æ§‹ç¯‰ã‚’æ‹…å½“ ï¬ Twitter ï¬ @kuwa_tw ï¬ Blog ï¬ http://d.hatena.ne.jp/akuwano/ ï¬ è‘—æ›¸ï¼æ´»å‹• ï¬ ã€ŒMySQLã«ã‚ˆã‚‹ã‚¿ãƒ•ãªã‚µã‚¤ãƒˆã®ä½œã‚Šæ–¹ã€ 12å¹´7æœˆ8æ—¥æ—¥æ›œæ—¥
Ooo 2012/07/08
ameba

mongodb

database

nosql
ãƒªãƒ³ã‚¯
MongoDBã®è–„ã„æœ¬
2.6å¯¾å¿œç‰ˆ Mongo DBã®è–„ã„æœ¬ The Little Mongo DB Book Karl Seguin è‘— / æ¿±é‡Ž å¸ è¨³ i ç›®æ¬¡ ç›®æ¬¡ i ã“ã®æœ¬ã«ã¤ã„ã¦ iii ãƒ©ã‚¤ã‚»ãƒ³ã‚¹ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii è‘—è€…ã«ã¤ã„ã¦ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii è¬è¾ž . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . iii æœ€æ–°ãƒãƒ¼ã‚¸ãƒ§ãƒ³ . . . . . . . . . . . . . . . . . .
Ooo 2012/04/18
mongodb

nosql

database

book

pdf
ãƒªãƒ³ã‚¯
IBM Developer
IBM Developer is your one-stop location for getting hands-on training and learning in-demand skills on relevant techno logies such as generative AI, data science, AI, and open source.
Ooo 2012/03/06
java

redis

memcached

cache

nosql
ãƒªãƒ³ã‚¯
åˆ†æ•£ãƒªã‚¢ãƒ«ã‚¿ã‚¤ãƒ ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã€ŒSenseiDBã€ãŒã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹ã§å…¬é–‹ã€‚LinkedInã®ã‚¤ãƒ³ãƒ•ãƒ©ã¨ã—ã¦é–‹ç™º
ãƒ†ã‚ã‚¹ãƒˆãªã©éžæ§‹é€ åŒ–ãƒ‡ãƒ¼ã‚¿ã®ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹æ©Ÿèƒ½ã¨ã‚µãƒ¼ãƒã‚¨ãƒ³ã‚¸ãƒ³æ©Ÿèƒ½ã‚’å…¼ãå‚™ãˆãŸåˆ†æ•£ãƒªã‚¢ãƒ«ã‚¿ã‚¤ãƒ ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã€ŒSenseiDBã€ãŒã€ã‚ªãƒ¼ãƒ—ãƒ³ã‚½ãƒ¼ã‚¹ã¨ã—ã¦å…¬é–‹ã•ã‚Œã¦ã„ã¾ã™ã€‚ SenseiDBã¨ã¯å…ˆç”ŸDBã®æ„å‘³ã‚‰ã—ãã€ã€ŒSensei (å…ˆç”Ÿ) means teacher or professor in Japaneseã€ã¨èª¬æ˜ŽãŒã‚ã‚Šã€ãƒã‚´ã«ã‚‚ã€Œå¸«ã€ã®æ–‡å—ãŒä½¿ã‚ã‚Œã¦ã„ã¾ã™ã€‚ãªãœå…ˆç”Ÿãªã®ã‹ã€ãã®æ„å‘³ã«ã¤ã„ã¦ä»¥ä¸‹ã®ã‚ˆã†ã«èª¬æ˜ŽãŒã‚ã‚‹ã®ã§ã™ãŒâ€¦â€¦ This name indicates that the system can be used in place of Oracle database in many applications. ã“ã®åå‰ãŒç¤ºã—ã¦ã„ã‚‹ã®ã¯ã€ã“ã®ã‚·ã‚¹ãƒ†ãƒ ãŒå¤šãã®ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã«ãŠã„ã¦Oracleãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã§ä½¿ã‚ã‚Œã¦ã„ã‚‹ã¨ã“ã‚ã§åˆ©ç”¨å¯èƒ½ã ã¨ã„ã†ã“ã¨ã§ã™ã€‚ Teacherã‚„Profe
Ooo 2012/01/23
SenseiDB

oracle

nosql

database

zookeeper
ãƒªãƒ³ã‚¯
MongoDBã®ä¿¡é ¼æ€§ã«ç–‘å•
åŽŸæ–‡(æŠ•ç¨¿æ—¥ï¼š2011/11/07)ã¸ã®ãƒªãƒ³ã‚¯ æœ€è¿‘ã€Mongo DB ã«é–¢ã—ã¦éžå¸¸ã«å¥½ã¾ã—ããªã„å†…å®¹ã®ã‹ãªã‚Šè©±é¡Œã«ãªã£ãŸå¸‚å ´å ±å‘ŠãŒï¼’ã¤ã‚ã£ãŸã€‚æ‰¹åˆ¤ã®å¤§éƒ¨åˆ†ã¯ã€ãƒ‘ãƒ•ã‚©ãƒ¼ãƒžãƒ³ã‚¹å•é¡Œã¨ãƒ‡ãƒ¼ã‚¿æå¤±ã®çµ„åˆã›ã«é›†ä¸ã—ã¦ã„ã‚‹ã€‚ã“ã®è©±ã‚’ç¶šã‘ã‚‹å‰ã«ã€ã“ã‚Œã‚‰ã¯å…¬å¼ã®äº‹ä¾‹ç ”ç©¶ã§ãªã„ã“ã¨ã‚’è‚ã«å‘½ã˜ã¦æ¬²ã—ã„ã€‚ãã†ã§ã¯ãªãã¦ã€æœ€è¿‘ Mongo DBã‚’ä½¿ã£ãŸé–‹ç™ºãƒãƒ¼ãƒ ã«ã‚ˆã‚‹å¸‚å ´å ±å‘Šã§ã‚ã‚‹ã€‚ ã¾ãš Urban Airshipã® Michael Schurteræ°ã®ãƒ¬ãƒãƒ¼ãƒˆã‹ã‚‰å§‹ã‚ã‚‹ã€‚ Urban Airshipã¯æ—¢ã«ã€Mongo DBã®å•é¡Œã‚’çµŒé¨“ã—ã¦ãŠã‚Šã€ã“ã®ãƒ¬ãƒãƒ¼ãƒˆã‚’æ›¸ãå‰ã«ãƒ‡ãƒ¼ã‚¿ã®ã»ã¨ã‚“ã©ã‚’ PostgreSQLã«ç§»è¡Œã‚’æ¸ˆã¾ã›ã¦ã„ãŸã€‚æ®‹ã£ãŸãƒ‡ãƒ¼ã‚¿ã¯Mongo DBã«ã¨ã£ã¦ç†æƒ³çš„ã®ã‚ˆã†ã ã€‚ çŸå‘½ï¼ã‚‚ã—ãã‚Œã‚’å¤±ã£ã¦ã‚‚ã€çŸã„é–“ã‚µãƒ¼ãƒ“ã‚¹ä½Žä¸‹ã‚’çµŒé¨“ã™ã‚‹ãŒã€ å£Šæ»…çš„ã§ã¯ãªã„ å°ã•ã„ï¼å®¹æ˜“ã«ãƒ¡ãƒ¢ãƒªãƒ¼ã«åŽã¾ã‚‹(~15 GB) äºŒæ¬¡ç´¢å¼•ï¼ã‚
Ooo 2011/11/21
mongodb

nosql

database
ãƒªãƒ³ã‚¯
Leveled Compaction in Apache Cassandra | Datastax
Introduction to Compaction Cassandra's log-structured storage engine enables Cassandra's amazing performance and features like application-transparent compression by turning all updates into data files called sstables that are written sequentially to disk. No update-in-place is done (because that would require doing random i/o); instead, a new version of the columns being inserted or updated is wr
Ooo 2011/10/24
cassandra

apache cassandra

nosql

java
ãƒªãƒ³ã‚¯
What's New In Cassandra 1.0 | DataStax
Whatâ€™s New in Cassandra 1.0: Improved Memory and Disk Space Management Cassandra 1.0 incorporates several improvements to how Cassandra's storage engine manages memory and disk space, bringing better performance and addressing some of the most common pain points for Cassandra administration. Off-heap row cache Cassandra provides a built-inÂ row cacheÂ for super-fast access to frequently requested da
Ooo 2011/10/24
cassandra

apache cassandra

java

nosql
ãƒªãƒ³ã‚¯
Whatâ€™s new in Cassandra 1.0: Compression | Datastax
Ooo 2011/10/24
cassandra

apache cassandra

java

nosql
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Whatâ€™s new in Cassandra 1.0: Performance | Datastax
As we've worked towards 1.0 over the past year, Cassandra's performance has improved spectacularly. Compared to the current release this time in 2010, we've increased our write performance a respectable 40%. But the real area we wanted to focus on improving was read performance, which we succeeded in increasing a phenomenal 400%! Reads There are actually two different execution paths for reads in
Ooo 2011/10/24
cassandra

apache cassandra

java

nosql

performance
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NoSQL Job Trends â€“ August 2011 - DZone Web Dev
Continuing the August job trends month we have another installment. Today, we are looking at NoSQL job trends. In this edition, I have not changed the list of NoSQL offerings, so the same 9 tools are included. So, the list includes Cassandra, Redis, Voldemort, SimpleDB, CouchDB, Mongo DB, HBase, Hyperta ble and Riak. As was stated previously, HadoopÂ continues to be the clear leader in demand and ten
Ooo 2011/08/22
mongo! mongo!

mongodb

nosql

job
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Mongoid Tutorial (5.0.0)
Mongoid is the officially supported object-document mapper (ODM) for Mongo DB in Ruby. To work with Mongoid from the command line using rails-like tooling, the railsmdb utility can be used.
Ooo 2011/07/30
ruby

mongoid

mongodb

nosql
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