Dynamo: Amazonã®é«˜å¯ç”¨æ€§Key-value Store[和訳]
Dynamo: Amazonã®é«˜å¯ç”¨æ€§Key-value Store.markdown Dynamo: Amazonã®é«˜å¯ç”¨æ€§Key-value Store[和訳] 原題：Dynamo: Amazon’s Highly Available Key-value Store 原文: Amazon's Dynamo - All Things Distributed (PDF Version) This article is translated by @ono_matope. Please contact me if any problem. Giuseppe DeCandia, Deniz Hastorun, Madan Jampani, Gunavardhan Kakulapati, Avinash Lakshman, Alex Pilchin, Swaminathan Sivasubram
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mixiãŒã¯ã¾ã£ãŸmemcached(or libevent?)ã®å•é¡Œã‚’調ã¹ã‚‹äººãŸã¡
Neal Sato @nealsato 二日ã¨ã‚‚複数å°ã®memcachedãŒé€£ç¶šã—ã¦è½ã¡ã¾ã—ãŸã€‚コアã¯åã‹ãšã«ã‚¹ãƒˆãƒ³ã¨è½ã¡ã‚‹ã®ã§ã€åŽŸå› 追åŠã«æ™‚é–“ãŒã‹ã‹ã‚Šã¾ã—ãŸãŒã€memcachedã¸ã®æŽ¥ç¶šæ•°ãŒç•°å¸¸ã«å¤šã„ã¨è½ã¡ã‚‹äº‹ã¯å†ç¾ã§ãã¾ã—ãŸã€‚ #mixi 2010-08-12 02:33:00 Neal Sato @nealsato memcachedãŒå¤§é‡ã®æŽ¥ç¶šã‚’å—ã‘ã‚‹ã¨çªç„¶åœæ¢ã‚’ã™ã‚‹ã®ã§ã€memcachedã¸ã®æŽ¥ç¶šæ•°ã‚’減らã—安定é‹ç”¨ä¸ã€‚外部ã‹ã‚‰ã®éŽå‰°ã‚¢ã‚¯ã‚»ã‚¹ã§ã¯ãªãã€ã‚µãƒ¼ãƒè¿½åŠ â†’ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆæ•°å¢—åŠ â†’åœæ¢ã€‚ 2010-08-12 08:45:50 Masahiro Nagano / 長野雅広 @kazeburo ファイルディスクリプタãŒä¸è¶³ã—ã¦memcachedãŒè½ã¡ãŸã¨ã—ã¦ã€ãã®ã¨ãã«ã¯ã€3万強ã®æŽ¥ç¶šã¨ãªã£ã¦ã‚‹ã¯ãšã€‚3万強ã®æŽ¥ç¶šã¨ãªã‚‹ã«ã¯ã‚¢ãƒ—リケーションサーãƒå´ã®max clientãŒå¹³å‡60ã¨ã—
Cassandraデータモデル入門 - Arin Sarkissian - Digital Romanticism
ã“ã®è¨˜äº‹ã¯ã€Arin Sarkissianæ°ã®ãƒ–ãƒã‚°è¨˜äº‹ã€Œhttp://arin.me/blog/wtf-is-a-supercolumn-cassandra-data-modelã€ã‚’æ°ã®è¨±å¯ã‚’å¾—ã¦ç¿»è¨³ã—ãŸã‚‚ã®ã§ã™ã€‚（原文公開日：2009å¹´9月1日） ã“ã“１ã€ï¼’ヶ月ã¨ã„ã†ã‚‚ã®ã€Diggã®ã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ãƒªãƒ³ã‚°ãƒãƒ¼ãƒ ã¯Cassandraã«ã¤ã„ã¦èª¿ã¹ã€éŠã³ã€æœ€çµ‚çš„ã«ã¯ãƒ—ãƒãƒ€ã‚¯ã‚·ãƒ§ãƒ³ã«ãƒ‡ãƒ—ãƒã‚¤ã™ã‚‹ãŸã‚ã«ã‹ãªã‚Šã®æ™‚間を費やã—ã¦ãã¾ã—ãŸã€‚ã“ã‚Œã¯å®Ÿã«æ¥½ã—ã„プãƒã‚¸ã‚§ã‚¯ãƒˆã§ã—ãŸãŒã€æ¥½ã—ããªã‚‹å‰ã«Cassandraã®ãƒ‡ãƒ¼ã‚¿ãƒ¢ãƒ‡ãƒ«ã«ã¤ã„ã¦ç†è§£ã™ã‚‹ãŸã‚ã«ç›¸å½“ã®æ™‚間を費やã—ãŸã®ã§ã™ã€‚「'super column'ã£ã¦ä½•ã よã€ã¨ã„ã†ãƒ•ãƒ¬ãƒ¼ã‚ºãŒä½•åº¦ã‚‚å£ã«ã•ã‚Œã¾ã—ãŸã€‚ ã‚‚ã—ã‚ãªãŸã®ãƒãƒƒã‚¯ã‚°ãƒ©ã‚¦ãƒ³ãƒ‰ãŒRDBMSãªã‚‰ã°ï¼ˆã»ã¨ã‚“ã©ã¿ã‚“ãªãŒãã†ã§ã—ょã†ãŒï¼‰ã€Cassandraã®ãƒ‡ãƒ¼ã‚¿ãƒ¢ãƒ‡ãƒ«ã«ã¤ã„ã¦å¦ã¶éš›ã«ã€ã„ãã¤ã‹ã®ãƒãƒ¼ãƒŸãƒ³ã‚°è¦ç´„ã§
Railsã§MongoDBを使ã£ãŸãƒ¢ãƒ‡ãƒªãƒ³ã‚° - 言葉より大切ãªãƒ–ãƒã‚°
Ruby MongoDB Driver — Ruby Driver Manual 2.8 JOIN ãŒã§ããªã„ã®ã§ã€ã‚ャッシュã§ã†ã¾ã„ã“ã¨ã‚„る？ Caching to Avoid N+1 When we display our list of stories, we'll need to show the name of the user who posted the story. If we were using a relational database, we could perform a join on users and stores, and get all our objects in a single query. But MongoDB does not support joins and so, at times, requires bit of denormaliz
MySQL+Memcachedã®æ™‚代ã¯éŽãŽã€ã“ã‚Œã‹ã‚‰ã¯NoSQLãªã®ã‹ã€ã«ã¤ã„ã¦ã®è°è«–
グーグルã§MySQLエンジニアリングãƒãƒ¼ãƒ を率ã„ãŸã®ã¡ã€ç¾åœ¨ã¯Facebookã«åœ¨ç±ã—ã¦ã„ã‚‹Mark Callaghanæ°ãŒãƒ–ãƒã‚°ã€ŒHigh Availability MySQLã€ã«ãƒã‚¹ãƒˆã—ãŸã‚¨ãƒ³ãƒˆãƒªãŒç™ºç«¯ã«ãªã£ã¦ã€MySQL+Memcachedã®æ™‚代ã¯éŽãŽãŸã®ã‹ï¼Ÿ ã¨ã„ã†è°è«–ãŒå·»ãèµ·ã“ã£ã¦ã„ã¾ã™ã€‚ 元グーグルMySQL担当エンジニアãŒå¼±æ°—ãªç™ºè¨€ï¼Ÿ Callaghanæ°ãŒãƒã‚¹ãƒˆã—ãŸã‚¨ãƒ³ãƒˆãƒªã€ŒPlays well with othersã€ã¯æ¬¡ã®ã‚ˆã†ãªä¸€æ–‡ã§å§‹ã¾ã‚Šã€MySQLã«ã¤ã„ã¦ã‚„やシニカルã«æ›¸ã‹ã‚Œã¦ã„るよã†ã«èªã‚ã¾ã™ã€‚ A few years ago MySQL+memcached and PostgreSQL+memcached were the only choices for high-scale applications. That has changed with the ar
Atomicity and Transactions - MongoDB Manual v8.0
In MongoDB, a write operation is atomic on the level of a single document, even if the operation modifies multiple values. When multiple update commands happen in parallel, each individual command ensures that the query condition still matches. To guarantee that concurrent update commands do not conflict with each other, you can specify the expected current value of a field in the update filter. E
ãƒãƒ¥ãƒ¼ãƒˆãƒªã‚¢ãƒ« - Docs-Japanese - 10gen Confluence
データベースコãƒã‚¯ã‚·ãƒ§ãƒ³ã®å–å¾— データベースã«ãƒ‡ãƒ¼ã‚¿ãƒ™ãƒ¼ã‚¹ã‚·ã‚§ãƒ«ã§æŽ¥ç¶šã—ã¾ã™ã€‚(ノート: åŒã˜ã‚ˆã†ãªã“ã¨ã‚’ã€ãŠå¥½ã¿ã®ãƒ—ãƒã‚°ãƒ©ãƒ 言語ã¨ãƒ‰ãƒ©ã‚¤ãƒãƒ¼|DOCS:Drivers]を使ã†ã“ã¨ã«ã‚ˆã£ã¦ã§ãã¾ã™ã€‚ ã“ã®ã‚·ã‚§ãƒ«ã¯ã‚¤ãƒ³ã‚¿ãƒ©ã‚¯ãƒ†ã‚£ãƒ–ãªç”¨é€”ã§ä¾¿åˆ©ã§ã™) MongoDBã®JavaScriptシェルを起動ã—ã¾ã™ã€‚
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
scale out ã®æŠ€è¡“ (in UNIX magazine, April 2009)
scale outã®æŠ€è¡“ 首藤 一幸 Last-updated: January 5, 2010 注: ã“ã®ãƒšãƒ¼ã‚¸ã®æ–‡ç« ã¯ä»¥ä¸‹ã®è¨˜äº‹ã®å…ƒåŽŸç¨¿ã§ã™ã€‚ 首藤一幸, "スケールアウトã®æŠ€è¡“", クラウドã®æŠ€è¡“, pp.88-101, (æ ª)アスã‚ー・メディアワークス, ISBN978-4-04-868064-6, 2009å¹´ 11月 6æ—¥ アスã‚ー・メディアワークス社㮠書ç±ç´¹ä»‹ãƒšãƒ¼ã‚¸ Amazon.co.jp 㮠ページ 首藤一幸, "スケールアウトã®æŠ€è¡“", UNIX magazine 2009å¹´ 4月å·, pp.78-91, (æ ª)アスã‚ー・メディアワークス, 2009å¹´ 3月 18æ—¥ データベースã«æ±‚ã‚られる性能を試算ã—ãŸã¨ã“ã‚〠åå°ã€ç™¾å°â€¦æ•°ä¸‡å°ã®ã‚µãƒ¼ãƒãŒå¿…è¦ã«ãªã£ãŸã€‚ クラウドを構築ã™ã‚‹å´ã¯ã“ã†ã„ã†å•é¡Œã«ç›´é¢ã—ã€è§£æ±ºã—よã†ã¨ã—ã¦ããŸã€‚ å°æ•°ã«æ¯”例ã—ãŸæ€§èƒ½ã‚’引ã出ã™ã“ã¨ã€ã¤ã¾ã‚Šsca
Key-Value Stores in Ruby: The Wrap Up
This last article in our key-value series will briefly cover a few interesting topics that could each have had full articles of their own. This means that if they seem interesting to you, follow the links that I provide to get more information on them. Lastly, I’ll wrap up by introducing Moneta, written by Yehuda Katz, which provides a unified API for a wide variety of different Key-Value Stores.
Webアプリをã¨ã‚Šã¾ã最近ã®KVS事情ã€é›‘æ„Ÿ - Tous Les Jours 攻防記
RDBã®å¾©æ¨©ã¯ã—ã°ã‚‰ããªã„ã¨æ€ã† 最近目ã«ã—ãŸã®ã¯ã€ã€Œã“ã‚Œã‹ã‚‰RDBãŒå分速ããªã£ã¦ã„ãã®ã§ã€memcachedã«ä»£ã‚ã£ã¦RDBãŒã¾ãŸä½¿ã‚れるよã†ã«ãªã‚‹ã€ã¨ã„ã†æ„見。ã“ã‚Œã¯ã—ã°ã‚‰ãã®é–“ã¯ç„¡ã„ã‚“ã˜ã‚ƒãªã„ã‹ã¨æ€ã†ã€‚全データãŒã‚ªãƒ³ãƒ¡ãƒ¢ãƒªã ã£ãŸã¨ã—ã¦ã‚‚ã€KVSã¯RDBより一æ¡ä»¥ä¸Šé€Ÿã„（Memcachedã§100,000req/sec出ã›ã‚‹ãƒžã‚·ãƒ³ã§ã€MySQLã®pkeyã«ã‚ˆã‚‹å˜ç´”ãªSELECTã‚’ã—ãŸå ´åˆã€10,000req/sec出るã‹ã©ã†ã‹ï¼‰ã€‚SQLパーサやらãªã‚“やらをæ¨ã¦ãªã„é™ã‚Šã“ã®é€Ÿã•ã«ã¯å¯¾æŠ—ã§ããªã„。RDBã«ã¯ã€ï¼‘コãƒã‚¯ã‚·ãƒ§ãƒ³ï¼‘スレッドã¨ã„ã†ãƒ¢ãƒ‡ãƒ«ãŒæŒã¤ã€æŽ¥ç¶šæ•°ãŒã‚¹ã‚±ãƒ¼ãƒ«ã—ãªã„ã¨ã„ã†åˆ¶ç´„ã‚‚ã‚る。 ã¾ãŸã€memcacheプãƒãƒˆã‚³ãƒ«ã¯ã€get_multiãŒä½¿ãˆã‚‹ã€‚get_multiを効果的ã«æ´»ç”¨ã—ãŸå ´åˆã€RDBã¨ã®å·®ã¯ã•ã‚‰ã«åºƒãŒã‚‹ã¨æ€ã†ã€‚ RDBã§å¤§ä¸ˆå¤«ãªã‚¢ãƒ—リも Viewã‚ャッシュãŒåŠ¹æžœçš„ãªã‚¢
分散KVSã®ä½¿ã„æ–¹ - sdyuki-devel
今æµè¡Œã®key-value storageã®åˆ©ç‚¹ã¨æ¬ 点ãªã©ã€‚å°ã•ã„データをãŸãã•ã‚“扱ã†ã‚¿ã‚¤ãƒ—ã§ã€å˜ç´”ãªkey-valueåž‹ã®ãƒ‡ãƒ¼ã‚¿ãƒ¢ãƒ‡ãƒ«ã‚’æŒã¤åˆ†æ•£KVSã«ã¤ã„ã¦ã€‚ Webアプリをã¨ã‚Šã¾ã最近ã®KVS事情ã€é›‘æ„Ÿã‚’èªã‚“ã§ã€ã¡ã‚ƒã‚“ã¨æ•´ç†ã—ã¦æŠŠæ¡ã—ã¦ãŠã‹ãªã„ã¨ã„ã‘ãªã„ãªã€ã¨æ€ã£ãŸã®ã§å°‘ã—æ•´ç†ã€‚ ãã‚Œã¯é•ã†ãžãƒ¼ã¨ã„ã†äº‹ãŒã‚ã£ãŸã‚‰ã‚³ãƒ¡ãƒ³ãƒˆãã ã•ã„m(_ _)m ※2009-11-17 追記：ç¾åœ¨ã€KVSã¨ã„ã†ç”¨èªžã®æ„味ã¯å®šç¾©ã•ã‚Œã¦ãŠã‚‰ãšã€ä½¿ã†äººã«ã‚ˆã£ã¦æºã‚Œã¦ã„ã¾ã™ã€‚ã“ã“ã§è¨€ã†ã¨ã“ã‚ã®åˆ†æ•£KVSã¯ã€Dynamo ã‚„ kumofs ã‚„ ROMA ãªã© を想定ã—ã¦ã„ã¾ã™ã€‚ 分散KVSã®åˆ©ç‚¹ スケールアウトã§ãã‚‹ ç°¡å˜ã«ã‚µãƒ¼ãƒãƒ¼ã‚’è¿½åŠ ã—ã¦æ€§èƒ½ã‚’上ã’られる å˜ä½“ã®æ€§èƒ½ãŒé«˜ã„ スã‚ーマレス 最åˆã¯å°‘ãªã„å°æ•°ã§å®‰ãã€å¾Œã‹ã‚‰ã‚µãƒ¼ãƒãƒ¼ã‚’足ã—ã¦ã‚¹ã‚±ãƒ¼ãƒ«ã‚¢ã‚¦ãƒˆï¼ã¨ã„ã†é‹ç”¨ãŒã§ãる。アプリケーションã«å½±éŸ¿ã›ãšã«ã€ã‚¹ãƒˆãƒ¬ãƒ¼ã‚¸å´
噂ã®TokyoCabinet/TokyoTyrantを使ã£ã¦ã¿ãŸ - (ﾟ∀ﾟ)o彡 sasata299's blog
2009å¹´10月04æ—¥20:18 KVS Ruby 噂ã®TokyoCabinet/TokyoTyrantを使ã£ã¦ã¿ãŸ key-value ストアã«èˆˆå‘³ãŒã‚ã‚‹ ã•ã•ãŸã¤ ã§ã™ã€‚key-value ストアã¨ã—ã¦æœ‰åãªã‚‚ã®ã¨ã„ãˆã° memcached ã‹ã¨æ€ã„ã¾ã™ãŒã€ä»–ã«ã‚‚ TokyoCabinet ã‚„ TokyoTyrant ã¨ã„ã†ã‚‚ã®ã‚‚注目ã•ã‚Œã¦ã„ã¾ã™ï¼ˆä¸æ€è°ãªåå‰ã§ã™ãï¼ï¼‰ã€‚key-value ストアã§ã‚ã‚ŠãªãŒã‚‰é«˜é€Ÿã€ã‹ã¤ã€ãƒ‡ãƒ¼ã‚¿ã‚’メモリã§ç„¡ãファイルã«ä¿å˜ã—ã¦ã„ã‚‹ãŸã‚ã€ã‚µãƒ¼ãƒãŒè½ã¡ã¦ã‚‚データãŒæ¶ˆãˆãªã„ã¨ã‹ã€‚ 実際㫠mixi ã®æœ€çµ‚ãƒã‚°ã‚¤ãƒ³æ™‚é–“ã®ä¿æŒãªã©ã«ä½¿ã‚ã‚Œã¦ã„ã‚‹ãã†ã§ã™ã€‚ memcached をセッションã®ä¿æŒãªã©ã«ä½¿ã£ã¦ã„ã‚‹å ´åˆã€memcached ã®ã‚µãƒ¼ãƒãŒãƒ€ã‚¦ãƒ³ã—ã¦ã—ã¾ã£ãŸã‚‰ã€ãƒ‡ãƒ¼ã‚¿ã¯å…¨ã¦æ¶ˆãˆã¦ã—ã¾ã„ã¾ã™ã€‚ãã®çµæžœ RDBMS ã«ã‚¢ã‚¯ã‚»ã‚¹ãŒé›†ä¸ã—ã€ãƒ‘フォーマンスãŒå¤§å¹…ã«æ‚ªåŒ–ã—
edo cabinet – rubykaigi2009
Here are my slides for the “edo cabinet†talk at the RubyKaigi2009. I presented about Ruby-FFI, Tokyo Cabinet|Tyrant and then rufus-tokyo and Rufus::Edo. These are just slides, here is the english transcript of the actual talk. Many thanks to the RubyKaigi team for organizing this great event ! Special kudos to Leonard Chin for the on-the-fly translations, throughout the 3 days. You’ll find videos
真ã«ã‚¹ã‚±ãƒ¼ãƒ©ãƒ–ルãªWebアプリケーションを作るã«ã¯?ã¨ã„ã†è©±é¡Œã§ç››ã‚Šä¸ŠãŒã£ãŸä»¶ - Tous Les Jours 攻防記
先週末ã¯ä¸Šäº¬ã—ã¦RubyKaigiã«å‚åŠ ã—ã¦ãã¾ã—ãŸã€‚ é‹ã‚ˆãLTæž ã‚’ã„ãŸã ãã“ã¨ãŒã§ããŸã®ã§ã€ã‚¿ã‚¤ãƒˆãƒ«ã®ã‚ˆã†ãªãƒ†ãƒ¼ãƒžã§ï¼ˆçµæ§‹ç´†ä½™æ›²æŠ˜ãŒã‚ã£ã¦ã€å½“åˆã®æƒ³å®šã‹ã‚‰é€¸ã‚Œã¦ã—ã¾ã£ãŸ...）プレゼンã•ã›ã¦ã‚‚らã†ã“ã¨ãŒã§ãã¾ã—ãŸã€‚ 話ã®æµã‚Œã¨ã—ã¦ã¯ã€ 「Webアプリケーションã®ãƒœãƒˆãƒ«ãƒãƒƒã‚¯ã¯RDB〠↓ 「RDBã£ã¦AmazonEC2ã¿ãŸã„ãªHaaSã§ã¯ã‚¹ã‚±ãƒ¼ãƒ«ã—ãªã„よã。〠↓ 「本当ã«ï¼ˆã‚¢ãƒ—リã®ã‚³ãƒ¼ãƒ‰ã‚’ãã®ã¾ã¾ã§ï¼‰ã‚¹ã‚±ãƒ¼ãƒ«ã•ã›ã‚ˆã†ã¨æ€ã£ãŸã‚‰ã€AmazonSimpleDBã®ã‚ˆã†ãªã‚¯ãƒ©ã‚¦ãƒ‰DBを使ã†ã—ã‹ãªã„〠↓ 「SimpleDBã¯MySQLより一æ¡ä»¥ä¸Šé…ã„ã‹ã‚‰ã€å˜ç´”ã«RDBã‚’SimpleDBã«ç½®ãæ›ãˆã‚‹ã¨ã€ãˆã‚‰ã„ã“ã¨ã«ãªã‚‹ã€ ↓ 「SimpleDBã¸ã®ã‚¢ã‚¯ã‚»ã‚¹ã‚’極力少ãªãã™ã‚‹ãŸã‚ã€ãƒªã‚¯ã‚¨ã‚¹ãƒˆã¯Memcachedã¨ã‹ã§ã‚ャッシュã—ã¾ãã‚‹å¿…è¦ãŒã‚ã‚‹ã〠↓ 「ã“ã®ã‚ãŸã‚Šã‚’今Lang-8ã§å®Ÿé¨“ã—ã¦ã„る。
Great BigTable and my toys
16. map() ["Applied", 1] ["rb_binding_new", 1] ["ruby", 1] ["eval", 1] ["Communication", 1] ["void", 1] ["if", 1] ["c", 1] ["Laboratory", 1] ["NORETURN", 1] ["deï¬ned", 1] ["void", 1] ["Author", 1] ["Inc", 1] ["void", 1] ["__APPLE__", 1] ["Init_heap", 1] ["nobu", 1] ["Copyright", 1] ["rb_raise_jump", 1] ["deï¬ne", 1] ["void", 1] ["created", 1] ["C", 1] ["VALUE", 1] ["environ", 1] ["void", 1] ["at",
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