MongoDB is dead. Long live Postgresql :) · Issue #614 · errbit/errbit
Hi! Our company use Errbit very active, Errbit connect to more than one hundred projects that generate tens of thousands of errors per day. And it would be great, except for one "but" - mongodb. 98 % of the problems that arise with errbit are problems with the database. Its volume on disk is growing 3-4 times faster than the real volume of data it store; it eats up all the memory without the possi
NoSQLã®æˆåŠŸã¯1:10å•é¡Œã«ã‹ã‹ã£ã¦ã„ã‚‹:Kenn's Clairvoyance
ã“ã“2-3å¹´ã»ã©ã€ã„ã‚ゆるéžSQL系データベースãŒãƒ›ãƒƒãƒˆãªè©±é¡Œã«ãªã£ã¦ãã¦ã„ã¾ã™ã€‚ã“ã®ãƒ ーブメントをç·ç§°ã—ã¦ã€ŒNoSQL (Not-only SQL)ã€ã¨å‘¼ã°ã‚Œã‚‹ã“ã¨ãŒå¤šã„よã†ã§ã™ã€‚ã¾ã‚‹ã§SQLã‚’å¦å®šã—ã¦ã„ã‚‹ã‹ã®ã‚ˆã†ãªèª¤è§£ã‚’æ‹›ãã‚„ã™ã„用語ã§ã™ãŒã€ã‹ã¨ã„ã£ã¦ã‚ー・ãƒãƒªãƒ¥ãƒ¼åž‹ãƒ‡ãƒ¼ã‚¿ã‚¹ãƒˆã‚¢ã‚„列指å‘DBã‚’ç·ç§°ã§ãã‚‹ä»–ã®å‘¼ã³æ–¹ã‚‚ãªã„ã®ã§ã€ã“ã®ã‚¨ãƒ³ãƒˆãƒªã§ã¯NoSQLã¨ã„ã†ç”¨èªžã‚’使ã†ã“ã¨ã«ã—ã¾ã™ã€‚ Oracleã‚„MySQLãªã©ã®SQLデータベースãŒæˆç†Ÿã—ã¦ã„ã一方ã§ã€SQLデータベースを特徴ã¥ã‘る弱点ã§ã‚る柔軟性ã®ãªã•ã€å …牢ã•ã¨å¼•ãæ›ãˆã«çŠ 牲ã«ãªã£ãŸæ›´æ–°æ€§èƒ½ã®ä½Žã•ã€ã‚¹ã‚±ãƒ¼ãƒ«ã‚¢ã‚¦ãƒˆã®é›£ã—ã•ãªã©ã‹ã‚‰ã€ã€Œä½•ã§ã‚‚ã‹ã‚“ã§ã‚‚RDBã€ã‹ã‚‰ã€Œç›®çš„ã«å¿œã˜ãŸæ°¸ç¶šåŒ–ã€ãŒæ¨¡ç´¢ã•ã‚Œã‚‹æµã‚Œã«ãªã£ã¦ãã¾ã—ãŸã€‚ 時をåŒã˜ãã—ã¦ã€ã‚ャッシュサーãƒã®ä¸–ç•Œã§ã‚‚ã€Memcachedã®ã‚‚ã¤ã‚·ãƒ³ãƒ—ルãªAPIã®ä½¿ã„ã‚„ã™ã•ãŒè©•ä¾¡ã•ã‚Œã‚‹ä¸€æ–¹ã€LRUã«ã‚ˆ
MongoDB: The Definitive Guide - O'Reilly Media
Read it now on the O’Reilly learning platform with a 10-day free trial. O’Reilly members get unlimited access to books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers. How does MongoDB help you manage a huMONGOus amount of data collected through your web application? With this authoritative introduction, you'll learn the many advantages of using docu
activerecord-alt-mongo-adapter is a MongoDB adapter for ActiveRecord.
activerecord-alt-mongo-adapter is a MongoDB adapter for ActiveRecord. Copyright © 2010 SUGAWARA Genki Description activerecord-alt-mongo-adapter is a MongoDB adapter for ActiveRecord. activerecord-alt-mongo-adapter depend on MongoDB Ruby Driver. see www.mongodb.org/display/DOCS/Home , api.mongodb.org/ruby/0.18.3/index.html Project Page rubyforge.org/projects/araltmongo/ Install gem install active
éžãƒªãƒ¬ãƒ¼ã‚·ãƒ§ãƒŠãƒ«ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã‚’é¸ã¶ï¼ˆç§é”ãŒMySQLã‹ã‚‰MongoDBã¸ç§»è¡Œã—ãŸç†ç”±ï¼‰ | taro-nishinoã®æ—¥è¨˜ | スラド
先日ã®Yuval Kogmanæ°ã®ã‚¨ãƒƒã‚»ã‚¤â€³Why I don't use CouchDB″ã®ç§å®¶ç‰ˆå’Œè¨³ï¼ˆç§ã¯ç•¥ã—ã¦ç§è¨³ã¨å‘¼ã‚“ã§ã„ã¾ã™ï¼‰ãŒç§ã®å‘¨è¾ºã®CouchDBファンã«å†·ã‚„æ°´ã‚’æµ´ã³ã›ãŸã‚ˆã†ã§ã™ã€‚ã©ã†ã‚‚誤解もã‚るよã†ã§ã€Yuval Kogmanæ°ã¯é ã‹ã‚‰CouchDBã‚’å¦å®šã—ã¦ã„ã‚‹ã®ã§ã¯ãªã„ã®ã§ã™ã€‚æ°ã®ã‚ˆã†ãªä¸€æµã®Perler（ã„ã‚„ã€Perlerã§ãªãã¦ã‚‚）ã¯é‡Žå¿ƒçš„ã§ã‚ã‚‹åé¢ã€éžå¸¸ã«ç¾å®Ÿçš„ã§ã™ã€‚ã§ã™ã‹ã‚‰ã€ç¾æ™‚点ã«ãŠã„ã¦ã¯CouchDBãŒã‹ãªã‚Šã‚¹ãƒ”ードé¢ã§åŠ£ã‚‹ã®ã§ã‚ã‚‹ã‹ã‚‰ã€ãれを補ã£ã¦ä½™ã‚Šã‚る野心的ãªï¼ˆç¾ã«ãƒãƒ¼ãƒ‰ãƒžãƒƒãƒ—ã«è¼‰ã›ã¦ã„ã¾ã™ã‚ˆã）フィーãƒãƒ£ãƒ¼ã‚’æ—©ã見ã›ãªã•ã„ã¨ã€æ°ã¯è¨€ã£ã¦ã„ã‚‹ã®ã§ã™ã€‚ã“ã‚Œã¯å±å’¤æ¿€åŠ±ã§ã‚‚ã‚ã‚‹ã¨æ€ã„ã¾ã™ã€‚ ç§ã¯ãŸã¾ãŸã¾MongoDBã‚’é¸ã³ã¾ã—ãŸãŒã€å¤¢ã‚’æŒã¡ãŸã„人ã¯CouchDBã‚’é¸ã¹ã°ã„ã„ã—ã€ã‚‚ã£ã¨ç¾å®Ÿè·¯ç·šã®äººã¯ä»–ã®NoSQLデータベースをé¸ã¹ã°ã„ã„ã®ã§ã™ã€‚ ãã‚“ãªã“ã¨ã‚ˆ
Ruby MongoDB Driver - Ruby MongoDB Driver v2.21
Welcome to the documentation site for the official MongoDB Ruby driver. You can add the driver to your application to work with MongoDB in Ruby. Get Started To get started with the Ruby driver, see Installation and Ruby Driver Quick Start. Continue to Tutorials for high level documentation for common operations. BSON The Ruby BSON implementation is packaged in a separate gem with C and Java extens
MongoDB Ruby Driver - MongoDB Drivers
Welcome to the documentation site for the official MongoDB Ruby driver and the Mongoid Object Document Mapper (ODM). Ruby Driver You can add the driver to your application to work with MongoDB in Ruby. See the official Ruby reference documentation to learn how to install and begin using the driver. Object Document Mapper You can use Mongoid, the official MongoDB Ruby ODM, to streamline validation,
SQL to MongoDB
db.runCommand({ mapreduce: "DenormAggCollection", query: { filter1: { '$in': [ 'A', 'B' ] }, filter2: 'C', filter3: { '$gt': 123 } }, map: function() { emit( { d1: this.Dim1, d2: this.Dim2 }, { msum: this.measure1, recs: 1, mmin: this.measure1, mmax: this.measure2 < 100 ? this.measure2 : 0 } );}, reduce: function(key, vals) { var ret = { msum: 0, recs: 0, mmin: 0, mmax: 0 }; for(var i = 0; i < val
MongoDB Blog
MongoDB BlogAnnouncements, updates, news, and more MongoDB 8.0: Eating Our Own Dog Food Key Takeaways We achieve real-world testing by adopting release candidates (RCs) on our internal production systems before finalizing a release. Our diverse internal workloads delivered unique insights. For instance, an internal cluster’s upgrade identified a rare MongoDB server crash and an inefficiency for a
「MongoDBをプãƒãƒ€ã‚¯ã‚·ãƒ§ãƒ³ç’°å¢ƒã§ä½¿ã£ã¦ã¿ã¦ã€ - Masatomo Nakano Blog
8ヶ月間ã€MongoDBをプãƒãƒ€ã‚¯ã‚·ãƒ§ãƒ³ã§ä½¿ã£ã¦ã„る人ã®ãƒ–ãƒã‚°è¨˜äº‹ãŒé¢ç™½ã‹ã£ãŸã®ã§ã€èˆˆå‘³æ·±ã„ã¨ã“ã‚ã ã‘ã¾ã¨ã‚ã¦ã¿ãŸã€‚ 原文ã¯ã“ã¡ã‚‰ 。 8ヶ月間使ã£ã¦ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã®è¦æ¨¡ã¯ã€Collections (tables): 17,810Indexes: 43,175Documents (rows): 664,158,090 master/slaveã®ãƒžãƒ‹ãƒ¥ã‚¢ãƒ«ã§ã®ãƒ•ã‚§ã‚¤ãƒ«ã‚ªãƒ¼ãƒç’°å¢ƒã§é‹ç”¨ã—ã¦ããŸã€‚masterã¯72GBã®RAMslaveã¯åˆ¥ã®ãƒ‡ãƒ¼ã‚¿ã‚»ãƒ³ã‚¿ ディスク的ã«ãã¤ããªã£ã¦ããŸã®ã§ã€æ‰‹å‹•ã§Shardingã‚’ã—4ã¤ã®DB(Master 2㤠/ Slave 2ã¤)ã«åˆ†ã‘ã‚‹ã“ã¨ã«ã—ãŸã€‚ namespaceã®é™ç•ŒãŒã‚ã‚‹ã®ã§ã€ãƒ‡ãƒ¼ã‚¿ã‚’3ã¤ã®MongoDB( ã“ã‚Œã¯ç‰©ç†çš„ãªã‚µãƒ¼ãƒã§ã¯ãªãã¦MongoDBã®ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã®å˜ä½)ã«åˆ†å‰²ã—ã¦ã„る。ç¾åœ¨ã®namespaceã®æ•°ã¯ã€Â db.system.name
第33回　Rubyistã®ãŸã‚ã®MongoDB入門（2） | gihyo.jp
第31回ã«ç¶šã„ã¦ã€ä»Šå›žã¯MongoDBã‚’Rubyã‹ã‚‰ä½¿ã†æ–¹æ³•ã‚’ã”紹介ã—ã¾ã™ã€‚ MongoDBã‚’Rubyã‹ã‚‰ä½¿ã†ãŸã‚ã®ãƒ©ã‚¤ãƒ–ラリ MongoDBã‚’Rubyã‹ã‚‰ä½¿ã†ã«ã¯ã€ä»¥ä¸‹ã®ãƒ©ã‚¤ãƒ–ラリç‰ã‚’利用ã™ã‚‹å¿…è¦ãŒã‚ã‚Šã¾ã™ã€‚ Ruby driver for MongoDB [GitHub, ãƒãƒ¥ãƒ¼ãƒˆãƒªã‚¢ãƒ«] Rubyã‹ã‚‰MongoDBを使ã†ä¸Šã§åŸºæœ¬ã¨ãªã‚‹ã®ãŒã€å…¬å¼ã®Rubyドライãƒã§ã™ã€‚ MongoDBã®ã»ã¼å…¨æ©Ÿèƒ½ã«ã‚¢ã‚¯ã‚»ã‚¹ã§ãã‚‹ãŸã‚ã€è¤‡é›‘ãªã“ã¨ã‚’ã—ãŸã„ã¨ãã«ã¯é ¼ã‚Šã«ãªã‚‹ã§ã—ょã†ã€‚後述ã™ã‚‹ä»–ã®ãƒ©ã‚¤ãƒ–ラリも内部ã§ã¯ã“ã®ãƒ‰ãƒ©ã‚¤ãƒã‚’使ã£ã¦ã„ã¾ã™ã€‚ ドã‚ュメントをオブジェクトã«ãƒžãƒƒãƒ”ングã—ã¦ActiveRecordライクã«æ‰±ã†ã€ã‚ªãƒ–ジェクトマッパーã®æ©Ÿèƒ½ã‚’æä¾›ã™ã‚‹ãƒ©ã‚¤ãƒ–ラリもã‚ã‚Šã¾ã™ã€‚今回ã¯ä»£è¡¨çš„ãªã‚‚ã®ã‚’2ã¤ã”紹介ã—ã¾ã™ã€‚ MongoMapper [GitHub, 作者ã«ã‚ˆã‚‹ç´¹ä»‹] 比較的ActiveRecor
Did I mention #MongoDb is fast?!?! Way to go @mongodb - Idiots Abound
So now that I've got a bunch of data in the database, I figured might as well see what queries looked like. Let me just say WOW. The details speak pretty much for themselves, but here's a little background on the tests. I setup MySQL, MongoDb, and CouchDb on one virtual machine. I ran a script to insert 100,000 documents I pulled down from wikipedia. Mysql had a single table with 4 columns. M
Rubyistã®ãŸã‚ã®MongoDB入門
MongoDBã¨ã¯ 10gen社ãŒä¸å¿ƒã¨ãªã£ã¦é–‹ç™ºã—ã¦ã„ã‚‹éžãƒªãƒ¬ãƒ¼ã‚·ãƒ§ãƒŠãƒ«ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã€‚ 特徴 MongoDBã¯("humongous"より)ã¯ã€ã‚¹ã‚±ãƒ¼ãƒ©ãƒ–ルã€ãƒã‚¤ãƒ‘フォーマンスã€ã‚ªãƒ¼ãƒ—ンソースã€ã‚¹ã‚ーマフリーã€ãƒ‰ã‚ュメント指å‘ã§ã™ã€‚C++ã§æ›¸ã‹ã‚Œã¦ã„ã¦ã€æ©Ÿèƒ½ã¨ã—ã¦ã¯: ドã‚ュメント指å‘ストレージ (the simplicity and power of JSON-like data schemas) 動的㪠クエリー 組ã¿è¾¼ã¿ã®ã‚ªãƒ–ジェクトã¨é…列をサãƒãƒ¼ãƒˆã—ãŸå®Œå…¨ãª Index ã®ã‚µãƒãƒ¼ãƒˆã€‚ クエリー プãƒãƒ•ã‚¡ã‚¤ãƒªãƒ³ã‚° 速ㄠin-place アップデート ãƒã‚¤ãƒŠãƒªãƒ‡ãƒ¼ã‚¿ã®åŠ¹çŽ‡çš„ãªä¿å˜ large objects (例：写真や動画) レプリケーション ã¨ãƒ•ã‚§ã‚¤ãƒ«ã‚ªãƒ¼ãƒãƒ¼ã®ã‚µãƒãƒ¼ãƒˆã€‚ クラウドレベルã®ã‚¹ã‚±ãƒ¼ãƒ©ãƒ“リティ㪠自動的ãªsharding 複雑ãªé›†ç´„ã®ãŸã‚ã® MapReduce 商用
ãªãœMongoDBãªã®ã‹ - Masatomo Nakano Blog
ã“ã“を見ã¦ã‚‚らã£ã¦ã‚‹äººã«ã€ã€ŒMongoDBã£ã¦ä½•ãŒã„ã„ã®ï¼Ÿã€ã¨æ”¹ã‚ã¦èžã‹ã‚Œã¦ã—ã¾ã£ã¦ã€ã‚ã‚ã€ãã£ã‹ã€ãã†ã„ã†ã“ã¨æ›¸ã„ã¦ãªã‹ã£ãŸãªã€ã¨æ€ã£ãŸã®ã§ã€ãªãœè‡ªåˆ†ãŒMongoDBã«èˆˆå‘³ã‚’æŒã£ã¦ã„ã‚‹ã®ã‹ã€ã¨ã„ã†ã“ã¨ã‚’書ã„ã¦ã¿ãŸã€‚ã„ã–自分ã®æ€ã„を書ã„ã¦ã¿ãŸã‚‰Railsä¸å¿ƒã®è©±ã«ãªã£ã¦ã—ã¾ã£ãŸã‘ã©ã€ãƒ¢ãƒ€ãƒ³ãªãƒ•ãƒ¬ãƒ¼ãƒ ワークãªã‚‰ãã‚“ãªã«è©±ã¯å¤‰ã‚らãªã„ã®ã‹ãªã€ã¨æ€ã£ã¦ã„る。 ãã‚‚ãã‚‚ã®ãã£ã‹ã‘ã¯ã€ã“ã“åŠå¹´é–“ãらã„Ruby on Rails(以下RoR)ã§é–‹ç™ºã—ã¦ã„ã‚‹ã“ã¨ã«ã‚る。 ã“ã“åŠå¹´å¼±ã»ã©RoRã§é–‹ç™ºã‚’ã—ã¦ã€ãã‚Œãªã‚Šã«æº€è¶³ã—ã¦ã„ã‚‹ã®ã ã‘ã©ã€ActiveRecordã«é–¢ã—ã¦ã¯è‰²ã€…ã¨ã²ã£ã‹ã‹ã‚‹ã¨ã“ã‚ãŒã‚ã£ãŸã€‚ 「ActiveRecordãŒRoRã®ç´ 晴らã—ã„ã¨ã“ã‚ãã®ã‚‚ã®ã ã€ã¨è©•ä¾¡ã—ã¦ã„る人もã„ã‚‹ãŒã€è‡ªåˆ†ã®ä¸ã§ã¯é€†ã§ã€ActiveRecordã¯RoRã®ä¸ã§ã‚‚ã‹ãªã‚Šã„ã¾ã„ã¡ãªéƒ¨åˆ†ã€‚ ã„ã‚„ã€ActiveRecordã¨
MongoDBを今日ã‹ã‚‰å§‹ã‚ã‚‹ãŸã‚ã®ãƒ‰ã‚ュメント - Masatomo Nakano Blog
追記: æœ€æ–°æƒ…å ±ã¯ã“ã¡ã‚‰ã§ã™ã€‚ MongoDBãŒæµè¡Œã£ã¦ãã¦ã‚‹é¢¨ãªã®ã§ã€ã“ã‚Œã ã‘èªã‚“ã§ãŠã‘ã°MongoDBã®é›°å›²æ°—ãŒã‚ã‹ã‚‹ã ã‚ã†ã£ã¦ã¨ã“ã‚ã‚’ã€æ—¥æœ¬èªžè¨³ãŒçµ‚ã‚ã£ã¦ã„ã‚‹ã¨ã“ã‚ã‹ã‚‰é›†ã‚ã¦ã¿ãŸã€‚ ãªã‚‹ã¹ãé †ã«èªã‚るよã†ã«ä¸¦ã¹ãŸã¤ã‚‚ã‚Šã ã‘ã©ã€å‰å¾Œã—ã¦ã‚‹ã¨ã“ã‚ã‚‚ã‚ã‚‹ã¨æ€ã†ã®ã§ã€ã¨ã‚Šã‚ãˆãšèªã¿é€²ã‚ã‚‹ã®ã‚’ãŠå‹§ã‚。 ã¾ãšã€ä½•ã¯ãªãã¨ã‚‚〠コレクション (Collections) 次ã«ã‚³ãƒ¬ã‚¯ã‚·ãƒ§ãƒ³ã‚’触るãŸã‚ã®ã‚·ã‚§ãƒ«ã€‚MongoDBã®ã‚·ã‚§ãƒ«ã¨ã„ã†ã®ã¯ã€RDBMSã§ã„ã†ã¨SQLを直接å©ãã¨ã“ã‚ã§ã€PostgreSQLã®psqlコマンド, MySQLã®mysqlコマンドã¿ãŸã„ãªã‚‚ã®ã€‚ 実際ã«MongoDBを使ã£ã¦é–‹ç™ºã™ã‚‹å ´åˆã€ç›´æŽ¥MongoDBã‚’æ“作ã™ã‚‹ã‚ˆã‚Šã‚‚ã€å„言語(PHPã¨ã‹Rubyã¨ã‹Javaã¨ã‹)ã®ãƒžãƒƒãƒ‘ー経由ã§ä½¿ã†ã“ã¨ãŒå¤šã„ã¨ã¯æ€ã†ã€‚ã—ã‹ã—ã€SQLを知らãªã„ã¨O/Rマッパーを使ã„ã“ãªã™ã®ãŒé›£ã—ã„よã†ã«ã€ã‚·
ãŠçŸ¥ã‚‰ã›
ランã‚ング
ランã‚ング
リリースã€éšœå®³æƒ…å ±ãªã©ã®ã‚µãƒ¼ãƒ“スã®ãŠçŸ¥ã‚‰ã›
最新ã®äººæ°—エントリーã®é…ä¿¡
j次ã®ãƒ–ックマーク
kå‰ã®ãƒ–ックマーク
lã‚ã¨ã§èªã‚€
eコメント一覧を開ã
oページを開ã
ã¿ã‚“ãªå¤§å¥½ãMongoDB
An Introduction to Fluent & MongoDB Plugins
GitHub - bcg/em-mongo: EventMachine MongoDB Driver (based off of RMongo)
twiwt.org - ã“ã®ã‚¦ã‚§ãƒ–サイトã¯è²©å£²ç”¨ã§ã™ï¼Â - twiwt リソースãŠã‚ˆã³æƒ…å ±
https://api.mongodb.com/ruby/current
{{#tags}}- {{label}}
{{/tags}}