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Cloudera Inc. is an American-based software company that provides Apache Hadoop-based software, support and services, and training to business customers. Cloudera's open-source Apache Hadoop distribution, CDH (Cloudera Distribution Including Apache Hadoop), targets enterprise-class deployments of that technology. Cloudera says that more than 50% of its engineering output is donated upstream to the various Apache-licensed open source projects (Apache Hive, Apache Avro, Apache HBase, and so on) that combine to form the Hadoop platform. Cloudera is also a sponsor of the Apache Software Foundation.〔(【引用サイトリンク】title=Apache Software Foundation Sponsorship )〕 ==History== Three engineers from Google, Yahoo and Facebook (Christophe Bisciglia, Amr Awadallah and Jeff Hammerbacher, respectively) joined with a former Oracle executive (Mike Olson) to form Cloudera in 2008. Olson was the CEO of Sleepycat Software, the creator of the open-source embedded database engine Berkeley DB (acquired by Oracle in 2006). Awadallah was from Yahoo, where he ran one of the first business units using Hadoop for data analysis.〔(【引用サイトリンク】title=This Former Yahoo-er's Startup Is So Hot, Even the CIA Invested In It )〕 At Facebook Hammerbacher used Hadoop for building analytic applications involving massive volumes of user data.〔(【引用サイトリンク】title=This Tech Bubble Is Different )〕 Architect Doug Cutting, also chairman of the Apache Software Foundation, authored the open-source Lucene and Nutch search technologies before he wrote the initial Hadoop software in 2004. He designed and managed a Hadoop storage and analysis cluster at Yahoo! before joining Cloudera in 2009. Chief operating officer was Kirk Dunn.〔(【引用サイトリンク】title=Bloomberg Business Week, Executive Profile Kirk Dunn )〕 In March 2009, Cloudera announced the availability of Cloudera Distribution Including Apache Hadoop in conjunction with a $5 million investment led by Accel Partners. In 2011, the company raised a further $40 million from Ignition Partners, Accel Partners, Greylock Partners, Meritech Capital Partners, and In-Q-Tel, a venture capital firm with open connections to the CIA.〔(【引用サイトリンク】title=Hadoop-based startup Cloudera raises $40M from Ignition Partners, Accel, Greylock )〕 In June 2013 Tom Reilly became chief executive, although Olson remained as chairman of the board and chief strategist. Reilly was chief executive at ArcSight when it was acquired by Hewlett-Packard in 2010. In March 2014 Cloudera announced a $900 million funding round, led by Intel Capital ($740 million), with additional funds coming from T Rowe Price, Google Ventures and others.〔(Intel invested $740 million to buy 18 percent of Cloudera )〕 Cloudera is headquartered in Palo Alto, California. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Cloudera」の詳細全文を読む スポンサード リンク
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