In any way, the concept of the Union Cloud (Federated Cloud) is surprising. With the ability to manage multiple complex legacy environments while consolidating the infrastructure, cloud computing is rapidly evolving. But as companies advance their cloud computing programs more quickly, a large part of the CIO is now coping with the messy cloud computing environment, as if the cloud computing environment is not in control. Peter High, President of Metis Strategy, said: "We can see that there is a ...
Overview How to deal with high concurrency, large traffic? How to ensure data security and database throughput? How do I make data table changes under massive data? Doubanfs and DOUBANDB characteristics and technology implementation? During the QConBeijing2009, the Infoq Chinese station was fortunate enough to interview Hong Qiangning and discuss related topics. Personal Profile Hong Qiangning, graduated from Tsinghua University in 2002, is currently the chief architect of Beijing Watercress Interactive Technology Co., Ltd. Hong Qiangning and his technical team are committed to using technology to improve people's culture and quality of life ...
April 15, Lenovo Beijing Research and Development Center held Thinkserver Server Media communication, the media reporters to experience a different kind of Lenovo enterprise-class business trip. In the North Research Center, the author visited a number of Lenovo enterprise-class product testing links, and Lenovo Server marketing, research and development high-level communication talks. The top executives included Wanghuabing, senior director of the Global Server Research and Development center of Lenovo Group's enterprise Products group, and Shai, IPDC product development director of Lenovo Group's enterprise business group. The two executives responded to questions from media reporters about the development of Lenovo's servers. ...
E-Government Cloud (E-government Cloud) belongs to governmental cloud, combines the characteristics of cloud computing technology, streamlines, optimizes and integrates government management and service functions, and realizes various business process management and function service through informatization means. Provide reliable basic IT service platform for government departments at all levels. E-Government cloud through the unified standard not only conducive to the interconnection between the various government clouds, to avoid "information island", but also to avoid duplication of construction, save construction funds. Ningbo e-Government cloud by the Ningbo by the letter Committee, the purpose is ...
Overview 2.1.1 Why a Workflow Dispatching System A complete data analysis system is usually composed of a large number of task units: shell scripts, java programs, mapreduce programs, hive scripts, etc. There is a time-dependent contextual dependency between task units In order to organize such a complex execution plan well, a workflow scheduling system is needed to schedule execution; for example, we might have a requirement that a business system produce 20G raw data a day and we process it every day, Processing steps are as follows: ...
This series of articles shows you how to develop event-driven WEB programs using reverse Ajax technology. The 1th part describes Reverse Ajax, polling, streaming, Comet, and long polling. Part 2nd describes how to implement Reverse Ajax using WebSocket, and discusses the limitations of using Comet and WebSocket WEB servers. The 3rd part explores when you need to support multiple servers or provide a user with the upper portion of your server ...
This article is my second time reading Hadoop 0.20.2 notes, encountered many problems in the reading process, and ultimately through a variety of ways to solve most of the. Hadoop the whole system is well designed, the source code is worth learning distributed students read, will be all notes one by one post, hope to facilitate reading Hadoop source code, less detours. 1 serialization core Technology The objectwritable in 0.20.2 version Hadoop supports the following types of data format serialization: Data type examples say ...
The intermediary transaction SEO diagnoses Taobao guest cloud host technology Hall first lesson: What is the Google ranking technology? After my years of practice and research, in our commonly used dozens of of network promotion methods, Google search engine ranking is the most effective one. Since: 1. Google is the world's most users of the search engine; 2. The quality of the passenger flow through the search engine is very high, most of them are your potential customers; 3. Once you get a good ranking on Google, it will continue to bring you customers every day, 4. Only ...
Zhang Fubo: The following part of the forum is mainly four guests, talk about cloud practice. Beijing First Letter Group is the Beijing government's integration company, mainly responsible for the capital window of the construction, they are also in the domestic, in the government industry earlier in a company, as the first letter Group Technical Support Center General Manager Zhang Ninglai for us to do the report. Zhang: Good afternoon, we have just introduced, I am from Beijing First Letter Development Co., Ltd., I bring today is the result of our practice in cloud computing technology these years. Today is mainly divided into three parts, we mainly do is the field of e-government applications, we are mainly ...
The appearance of MapReduce is to break through the limitations of the database. Tools such as Giraph, Hama and Impala are designed to break through the limits of MapReduce. While the operation of the above scenarios is based on Hadoop, graphics, documents, columns, and other NoSQL databases are also an integral part of large data. Which large data tool meets your needs? The problem is really not easy to answer in the context of the rapid growth in the number of solutions available today. Apache Hado ...
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