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This paper is an excerpt from the book "The Authoritative Guide to Hadoop", published by Tsinghua University Press, which is the author of Tom White, the School of Data Science and engineering, East China Normal University. This book begins with the origins of Hadoop, and integrates theory and practice to introduce Hadoop as an ideal tool for high-performance processing of massive datasets. The book consists of 16 chapters, 3 appendices, covering topics including: Haddoop;mapreduce;hadoop Distributed file system; Hadoop I/O, MapReduce application Open ...

In order to meet the ever-changing business changes, Jingdong's Jingmai team has adopted a popular open source big data calculation engine such as Hadoop on the basis of Jingdong Big Data Platform to create a decision-making data product for JD operations and products.

This paper introduces how to build a network database application method by MySQL of the golden combination of Web database, PHP is a server-side embedded hypertext Processing language similar to Microsoft ASP, it is a powerful tool to build dynamic website. While MySQL is a lightweight SQL database server that runs on a variety of platforms, including Windows NT and Linux, and has a GPL version, MySQL is considered the best product for building a database-driven dynamic Web site. PHP, MySQL, and Apache are Linux ...

In the past few years, the innovative development of the open source world has elevated the productivity of Java™ developers to one level. Free tools, frameworks and solutions make up for once-scarce vacancies. The Apache CouchDB, which some people think is a WEB 2.0 database, is very promising. It's not difficult to master CouchDB, it's as simple as using a Web browser. This issue of Java open ...

Column Message: cloud computing has opened the door for us. Enhancing cloud technology, adding cloud applications and highlighting the value of cloud, "China Computer News" and Microsoft (China) Co., Ltd. jointly organized the Windows Server cloud Chuangyi Competition, which lasted more than five months attracted a total of nearly ten thousand players to sign up, 103 teams participated in the enterprise level competition. The official website of the high volume of visits as much as 1.8 million times, the official microblogging interaction reached more than 10,000. Competition for the IT people to understand a cloud, cloud applications, experience the exchange of cloud, interactive, sharing platform. You think, cloud ...

An average company spends $2.1 million a year on unstructured data processing, according to a survey of 94 large U.S. companies from the Novell Ponemon Institute, which has the highest cost for some tightly regulated industries, such as finance, pharmaceuticals, communications and healthcare. Will reach 2.5 million dollars a year; another survey from Unisphere research showed that 62% of respondents said unstructured information was unavoidable and would surpass traditional data over the next 10 years. In addition, 35% of the people said that in ...

"Zhongguancun Large Data Industry alliance" launched the "Big Data 100 Points" forum, at night 9 o'clock, in the "Zhongguancun Large Data Industry alliance" micro-letter group for 100 minutes of communication and discussion. Bai: As today's Speaker is the Chinese Academy of Sciences Cheng researcher, we welcome! Bai: Deputy General engineer, researcher, doctoral tutor, director of Network Science and Technology Key Laboratory, Institute of Technology, Chinese Academy of Sciences. As the Chinese Academy of Sciences, the Internet high-performance software and algorithm theory, network search, network information security direction of the team leader and discipline leader, led group ...

"Zhongguancun Large Data Industry alliance" launched the "Big Data 100 Points" forum, at night 9 o'clock, in the "Zhongguancun Large Data Industry alliance" micro-letter group for 100 minutes of communication and discussion. Bai: As today's Speaker is the Chinese Academy of Sciences Cheng researcher, we welcome! Bai: Deputy General engineer, researcher, doctoral tutor, director of Network Science and Technology Key Laboratory, Institute of Technology, Chinese Academy of Sciences. As the Chinese Academy of Sciences, the Internet high-performance software and algorithm theory, network search, network information security direction of the team leader and discipline leader, led group ...

Recently, in the Sybase IQ 15.4 Media activities, CSDN United several technical media jointly interviewed Sybase China technical director Lu Dongming. Lu Dongming shared views on the impact of large data on traditional database vendors, the comparison of column-and row-style databases, and other hot topics. Sybase China technical director Ludoming Ludomin first introduced SAP's 5 major database products: Sybase re-use Server enterprise abbreviation ASE (line database) Sy ...

What is Sina app Engine Sina app Engine (SAE) is the first public cloud computing platform (http://), which was developed in-house in August 2009 and officially launched the initial alpha version on November 3, 2009. sae.sina.com.cn), SAE is the core component of Sina's cloud computing strategy. &nbs ...