MapR アーã‚テクãƒãƒ£æ¦‚è¦ - MapR CTO Meetup 2013/11/12MapR Technologies CTO ã® M.C. Srivas ã«ã‚ˆã‚‹ã€MapR アーã‚テクãƒãƒ£æ¦‚è¦ã€‚2013å¹´11月12æ—¥ã«é–‹å‚¬ã•ã‚ŒãŸ MapR CTO Meetup ã§ã®èª¬æ˜Žè³‡æ–™ã§ã™ã€‚Read less
dfltweb1.onamae.com – ã“ã®ãƒ‰ãƒ¡ã‚¤ãƒ³ã¯ãŠåå‰.comã§å–å¾—ã•ã‚Œã¦ã„ã¾ã™ã€‚
ã“ã®ãƒ‰ãƒ¡ã‚¤ãƒ³ã¯ ãŠåå‰.com ã‹ã‚‰å–å¾—ã•ã‚Œã¾ã—ãŸã€‚ ãŠåå‰.com 㯠GMOインターãƒãƒƒãƒˆã‚°ãƒ«ãƒ¼ãƒ—(æ ª) ãŒé‹å–¶ã™ã‚‹å›½å†…シェアNo.1ã®ãƒ‰ãƒ¡ã‚¤ãƒ³ç™»éŒ²ã‚µãƒ¼ãƒ“スã§ã™ã€‚ â€»è¡¨ç¤ºä¾¡æ ¼ã¯ã€å…¨ã¦ç¨Žè¾¼ã§ã™ã€‚ ※サービスå“質ç¶æŒã®ãŸã‚ã€ä¸€æ™‚çš„ã«å¯¾è±¡ã¨ãªã‚‹æ–™é‡‘ã¸ä¸€å®šå‰²åˆã®ã€Œã‚µãƒ¼ãƒ“スç¶æŒèª¿æ•´è²»ã€ã‚’åŠ ç®—ã•ã›ã¦ã„ãŸã ãã¾ã™ã€‚ ※1 「国内シェアã€ã¯ã€ICANN(インターãƒãƒƒãƒˆã®ãƒ‰ãƒ¡ã‚¤ãƒ³åãªã©ã®è³‡æºã‚’管ç†ã™ã‚‹éžå–¶åˆ©å›£ä½“)ã®å…¬è¡¨æ•°å€¤ã‚’ã‚‚ã¨ã«é›†è¨ˆã€‚gTLDãŒé›†è¨ˆã®å¯¾è±¡ã€‚ 日本ã®ãƒ‰ãƒ¡ã‚¤ãƒ³ç™»éŒ²æ¥è€…(レジストラ)（「ICANNãŒãƒ¬ã‚¸ã‚¹ãƒˆãƒ©ã¨ã—ã¦èªå®šã—ãŸä¼æ¥ã€ä¸€è¦§ï¼ˆInterNICæ供）内ã«ã€ŒJapanã€ã®è¨˜è¼‰ãŒã‚ã‚‹ã‚‚ã®ï¼‰ã‚’対象。 レジストラ「GMO Internet Group, Inc. d/b/a Onamae.comã€ã®ã‚·ã‚§ã‚¢å€¤ã‚’集計。 2024å¹´5月時点ã®èª¿æŸ»ã€‚
Sector/Sphere: High Performance Distributed Data Storage and Processing
High Performance Distributed File System and Parallel Data Processing Engine Sector/Sphere supports distributed data storage, distribution, and processing over large clusters of commodity computers, either within a data center or across multiple data centers. Sector is a high performance, scalable, and secure distributed file system. Sphere is a high performance parallel data processing engine tha
ãŸã‘ã¾ã‚‹ / Kai ãŒç´¹ä»‹ã•ã‚Œã¦ã„ã¾ã™
_ Kai ãŒç´¹ä»‹ã•ã‚Œã¦ã„ã¾ã™ [kai] 次ã®è¨˜äº‹ã« Kai ãŒç´¹ä»‹ã•ã‚Œã¦ã„ã¾ã™ï¼Ž Anti-RDBMS: A list of distributed key-value stores - Richard Jones, Esq. ã„ã‚ゆる分散型㮠key-value ストアã®æ¯”較記事ã§ã™ï¼ŽåŸºæœ¬çš„ãªæ©Ÿèƒ½ã‚„ API ãªã©ã‚’比較ã—ã¦ã„ã¾ã™ï¼Žæ¯”è¼ƒé …ç›®ã«ã¯ï¼Œãƒ‰ã‚ュメントやコミュニティ ã®çŠ¶æ³ã¾ã§å«ã¾ã‚Œã¦ã„ã¦ï¼Œåˆ©ç”¨ã‚’検討ã—ã¦ã„る人ã«ã¯ã‹ãªã‚Šå½¹ã«ç«‹ã¡ãㆠã§ã™ï¼Ž Kai ã¯ãƒ‰ã‚ュメントãŒè²§å¼±ã¨è¨€ã‚ã‚Œã¦ã—ã¾ã„ã¾ã—ãŸï¼Žã¯ã„，ãã†ã§ã™ï¼ŽãŒ ã‚“ã°ã£ã¦æ›¸ãã¾ã™ï¼Žã‚ã¨ï¼Œã„ãã¤ã‹å®Ÿè£…済ã¿ã®æ©Ÿèƒ½ãŒæ¯”較表ã«å«ã¾ã‚Œã¦ã„ ãªã‹ã£ãŸã®ã§ï¼Œå…ƒè¨˜äº‹ã®ã‚³ãƒ¡ãƒ³ãƒˆã§è£œè¶³ã—ã¦ãŠãã¾ã—ãŸï¼Ž 記事ã§ã¯ï¼ŒKai ã«ãƒ—ãƒãƒ€ã‚¯ã‚·ãƒ§ãƒ³ã§ã®åˆ©ç”¨ãŒãªã„ã“ã¨ãŒå±æƒ§ã•ã‚Œã¦ã„ã¾ã™ ãŒï¼Œè¿‘ã„ã†ã¡ã«æŸãƒãƒ¼ã‚¿ãƒ«ã‚µã‚¤ãƒˆã§åˆ©ç”¨ã•ã‚Œã‚‹ã‹ã‚‚ã—ã‚Œã¾ã›ã‚“ (ç¾åœ¨ï¼Œè©¦ 験ä¸ã®ã‚ˆ
Kai – An Open Source Implementation of Amazon’s Dynamo
This document provides an overview of Amazon's Dynamo database and Kai, an open source implementation of Dynamo. It describes Dynamo's motivation as providing scalable, fault-tolerant storage needed by Amazon's large-scale systems. Key features of Dynamo discussed include its use as a distributed key-value store, high availability even during failures, and eventual consistency. The document also o
SourceForge.net: kai » home
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Bytepawn - Readings in Distributed Systems
Marton Trencseni on Software, Systems and other Ideas.Bytepawn Marton Trencseni on Software, Systems and other Ideas. About Readings in Distributed Systems Readings in Distributed Systems An expanding list of papers on Distributed Systems. If you think something important is missing from this page, please email me. I. The Google Papers A complete list of papers written by Googlers is here. The 5 p
http://www.cloudera.com/sites/default/files/HDFS_Reliability.html
The Hadoop Distributed Filesystem (HDFS) is a distributed storage system for reliably storing petabytes of data on clusters of commodity hardware. This short paper examines the reliability of HDFS and makes recommendations for best practices to follow when running an HDFS installation. Overview of HDFS HDFS has three classes of node: a single name node, responsible for managing the filesys
GlusterFS 3.1.5 now available
For customers and community members on the 3.1.x series, we recommend that you upgrade to the latest, GlusterFS 3.1.5, available today. Here are some issues fixed in this release: Bug 2294: Fixed the issue occurred during creating and sharing of volumes with both RDMA and TCP/IP transport type. Bug 2522: Fixed the issue of invalid […]
分散ストレージエンジンテクニカルデモ　α版リリース
æ¦‚è¦ åˆ†æ•£ã‚¹ãƒˆãƒ¬ãƒ¼ã‚¸ã‚¨ãƒ³ã‚¸ãƒ³cagraã®ãƒ†ã‚¯ãƒ‹ã‚«ãƒ«ãƒ‡ãƒ¢ç‰ˆã§ã™ã€‚ cagra概è¦ã«ã¤ã„ã¦ã¯ã“ã¡ã‚‰ï¼šd:id:nyaxt:20080422 冗長性をæŒã¤åˆ†æ•£ãƒãƒƒã‚·ãƒ¥ãƒ†ãƒ¼ãƒ–ルを扱ã†ã“ã¨ãŒã§ãã¾ã™ã€‚ノードã®å‹•çš„è¿½åŠ ï¼å‰Šé™¤ã«ã‚‚対応ã—ã¦ã„ã¾ã™ã€‚（ãŸã ã—ノード削除後ã®putã¯ä¸€éƒ¨æœªå®Ÿè£…ã«ã‚ˆã‚Šä¸å®‰å®šï¼‰ ç¾æ™‚点ã®æ©Ÿèƒ½çš„ã«ã¯memcached + αãªæ„Ÿã˜ã§ã™ã€‚ ダウンãƒãƒ¼ãƒ‰ http://static.nyaxtstep.com/cagra/nxfs-alpha-release.tar.gz hotfixã ã—ã¾ã—ãŸï¼šd:id:nyaxt:20080427 éšæ™‚アップデートã—ã¦ã‚‹ã®ã§æœ€æ–°ç‰ˆã¯ï¼š http://d.hatena.ne.jp/nyaxt/searchdiary?word=%2a%5bcagra%5d%5brelease%5d 動作環境 Mac OS X (Leopard) Linux 2.6 De
Blog by Sadayuki Furuhashi
MessagePackフォーマット仕様ã®Pull Request #209をマージã—ã€MessagePackã«Timestampåž‹ã‚’è¿½åŠ ã—ã¾ã—ãŸã€‚ ※ã“ã®è¨˜äº‹ã®è‹±èªžç‰ˆã¯ XXX ã«ã‚ã‚Šã¾ã™ï¼ˆç¿»è¨³ä¸ï¼‰ Extensionåž‹ã®åž‹ã‚³ãƒ¼ãƒ‰ -1 ã¨ã—ã¦å®šç¾©ã•ã‚Œã¦ã„ã‚‹ãŸã‚ã€å¾Œæ–¹äº’æ›æ€§ãŒç¶æŒã•ã‚Œã¦ã„ã¾ã™ã€‚ã¤ã¾ã‚Šã€æ—¢ã«Extensionåž‹ã«å¯¾å¿œã—ã¦ã„るデシリアライザã§ã‚ã‚Œã°ã€Timestamp型を使用ã—ã¦ä½œæˆã•ã‚ŒãŸãƒ‡ãƒ¼ã‚¿ã‚’ã€Timestampåž‹ã«å¯¾å¿œã—ã¦ã„ãªã„å¤ã„デシリアライズã§èªã¿å‡ºã™ã“ã¨ãŒã§ãã¾ã™ã€‚ æ–°ã—ã„Timestampåž‹ã«ã¯ timestamp 32ã€timestamp 64ã€timestamp 96 ã®3ã¤ã®ãƒ•ã‚©ãƒ¼ãƒžãƒƒãƒˆãŒã‚ã‚Šã€ã‚ˆã使ã†å€¤ã‚’より少ãªã„ãƒã‚¤ãƒˆæ•°ã§ä¿å˜ã§ãるよã†ã«ãªã£ã¦ã„ã¾ã™ã€‚例ãˆã°ã€1970年〜2106å¹´ã¾ã§ã®æ™‚刻ã§ã€ç§’ã¾ã§ã®ç²¾åº¦ã—ã‹æŒãŸãªã„時刻ã§ã‚ã‚Œã°ã€åˆè¨ˆ6ãƒã‚¤ãƒˆã§ä¿å˜ã§ã
[cagra] cagra: Reliable and Flexible Distributed Storage System
ã‚„ã£ã¨é–‹ç™ºãŒä¸€æ®µè½ã—ãŸã®ã§ãŠçŸ¥ã‚‰ã›ã€‚frsyukiæ°(id:viver)ã¨ã®å…±åŒé–‹ç™ºä½œå“。 1000speakers:2ã®ï¼“次会ã§äºŒäººã§ã²ãŸã™ã‚‰çµ„ã‚“ã§ã„ãŸã‚¢ãƒ¬ã§ã™ã€‚ Trac: http://nyaxtstep.com/trac/nxfs æ¦‚è¦ cagraã¯æ‰‹è»½ã«æ§‹ç¯‰ã§ãる分散ストレージシステムã§ã™ã€‚ memcachedã®æ§˜ãªæ‰‹è»½ã•ã§ã€ä¿¡é ¼æ€§ã®ã‚る分散ストレージを構築ã§ãã¾ã™ã€‚ 機能ï¼ç‰¹å¾´ zeroconf è¨å®šé …ç›®ã¯ã‚³ãƒžãƒ³ãƒ‰ãƒ©ã‚¤ãƒ³ãƒ‘ラメータã«é›†ç´„ UDP Multicastã«ã‚ˆã‚‹è‡ªå‹•ãƒŽãƒ¼ãƒ‰æ¤œå‡º Large Data Support memcachedã«æ¯”ã¹ã€å¤§ããªãƒ‡ãƒ¼ã‚¿ã‚‚ãã¡ã‚“ã¨å–り扱ã†äº‹ãŒã§ãã¾ã™ã€‚ データã”ã¨ã®ãƒã‚§ãƒƒã‚¯ã‚µãƒ ã‚’ä¿æŒã—ã¾ã™ã€‚ 数百G〜Terabyteスケールã®ãƒ‡ãƒ¼ã‚¿ã‚‚サãƒãƒ¼ãƒˆã™ã‚‹äºˆå®š å¯å¤‰ä¿¡é ¼æ€§ データã«æ±‚ã‚ã‚‹ä¿¡é ¼æ€§ï¼ˆãƒ¬ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³æ•°ï¼‰ã‚’ãƒ‡ãƒ¼ã‚¿ã”ã¨ã«è¨å®šã™ã‚‹ã“ã¨ãŒã§ãã¾
分散ファイルシステム/ブãƒãƒƒã‚¯ãƒ‡ãƒã‚¤ã‚¹ã‚’ã¾ã¨ã‚ã‚‹ - Blog by Sadayuki Furuhashi
昨日KLab勉強会#2ã®è³‡æ–™ã‚’公開ã—ã¾ã—ãŸãŒã€ãã®ä¸ã§å‹•çš„ãªåˆ†æ•£ãƒ•ã‚¡ã‚¤ãƒ«ã‚·ã‚¹ãƒ†ãƒ ã‚’è¨è¨ˆã—ã¦ã„ã‚‹ã¨æ›¸ãã¾ã—ãŸã€‚分散ファイルシステムã¨ã„ã†ã®ã¯æ—¢ã«ã„ã‚ã„ã‚å˜åœ¨ã—ã¦ã„ã‚‹ã‚ã‘ã§ã™ãŒã€æƒ…å ±ãŒåˆ†æ•£ã—ã¦ã„ã¦ã‚µãƒƒãƒ‘リ分ã‹ã‚‰ãªã„ã®ã§ã€ã“ã®ã‚ãŸã‚Šã§ã¾ã¨ã‚ã¦ã¿ãŸã„ã¨æ€ã„ã¾ã™ã€‚ é–“é•ã£ã¦ã„ãŸã‚Šå¤ã‹ã£ãŸã‚Šã™ã‚‹ã«é•ã„ãªã„ã®ã§ã€æ£ç¢ºãªæƒ…å ±ã¯æœ¬å®¶ã®æƒ…å ±ã‚’å‚ç…§ã—ã¦ãã ã•ã„。 ファイルシステムレイヤー NFS GFS(Global File System) OCFS GlusterFS Lustre 下ä½ãƒ¬ã‚¤ãƒ¤ãƒ¼ Filesystem Block Device Block Device Filesystem Block Device èªã¿è¾¼ã¿ â—‹ â—‹ â—‹ â—‹ â—‹ 書ã込㿠○ â—‹ â—‹ â—‹ â—‹ アクセスã®å†—長化 × â—‹ â—‹ â—‹ï¼ˆè² è·åˆ†æ•£ã¨æŽ’他） × データã®å†—長化 下ä½ãƒ¬ã‚¤ãƒ¤ãƒ¼ã«ä¾å˜ 下ä½ãƒ¬ã‚¤ãƒ¤ãƒ¼ã«ä¾å˜ 下ä½ãƒ¬ã‚¤ãƒ¤ãƒ¼ã«ä¾å˜ â—‹
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