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Present situation and future of spark

Spark is a cluster computing platform originating from the Amplab of the University of California, Berkeley, which is a rare versatile player, based on memory computing, starting with multiple iterations, and eclectic data warehousing, streaming and graph computing paradigms. Spark is now the Apache Foundation's top open source project, with a huge community support, technology is gradually maturing, but to really put into production, but also need to undergo a lot of optimization. To shark, Spark streaming and related projects as the theme, Spark Summ ...

Introduction to several forms of cloud computing and open source platform

1, Enomalism (http://www.enomaly.com/) cloud computing platform. Enomalism is a typical open source project that provides a somewhat similar functionality to the EC2 cloud computing framework. The Enomalism platform is based on the Linux system and also supports Xen and Kernel Virtual Machine (KVM). The Enomalism platform also provides a turbogears Web application ...

A method of applying PCA to dimensionality reduction in large scale data

A method of applying PCA to dimensionality reduction in large scale data China Seismic Network Center Zhaojuiru PCA is a commonly used linear dimensionality reduction method, but in practical application, when the data scale is large, it is impossible to read all the sample data into memory for analysis and calculation. In this paper, a method for reducing the dimension of large scale data using PCA is proposed, which solves the problem that large scale data cannot be reduced directly without the help of Hadoop cloud computing platform. A method of applying PCA to dimensionality reduction in large scale data

Performance evaluation of parallel policies based on system workflow in public cloud

Performance evaluation of parallel policies based on system workflow in public cloud Li Shuping Wang Ziping Analysis System development genome workflow parallel processing performance, a performance evaluation workflow for SCIPHYLOMICS implementation in cloud computing platform is proposed. Firstly, the application of mapping simplification model is introduced to realize Hadoop; then, the Scicumulus Cloud Workflow engine is presented, and finally, two parallel execution methods (Scicumulus and Hadoop) are implemented on the Amazon EC2 Cloud. The experimental results show that,...

Application of cloud computing in campus intelligent learning Platform

Application of cloud computing in campus intelligent learning Platform Liu Yunbung cloud computing is a new Internet application model and the core technology of next generation Network computing platform. The Campus Intelligent Learning platform takes cloud computing as the core structure, can solve the problem of lack of school education resources, realizes resource sharing, and promotes the enthusiasm and initiative of teachers and students to work and study. Keywords: cloud computing; intelligent learning platform; application of Architecture Design cloud computing in campus intelligent learning Platform

Cloud Computing

This is monitors describes cloud computing, a computing platform for the next generation of the Internet. The monitors defines clouds, explains the business benefits of cloud computing, and outlines cloud a ...

Design and implementation of video summarization based on Hadoop

Design and implementation of video abstract based on Hadoop Peng Huacong This paper intends to use cloud computing technology to transform the current mainstream dynamic video summarization technology based on motion process from single machine extraction mode into distributed mode. Therefore, in the face of data expansion, only by adding inexpensive computing nodes to improve the extraction rate of video abstracts, so that video summarization technology can be better put into the actual production. First of all, a lot of research on cloud computing technology and video summarization technology. Choose the right open source cloud computing platform Hadoop Distributed system, and distributed to Hadoop ...

Research and implementation of virtual cloud Platform monitoring system

Research and realization of virtual cloud Platform monitoring system the main work and contributions of the North University of Technology Hou Yongdong This paper is as follows: 1. This paper puts forward a framework of monitoring system of cloud platform based on the integration of the virtual cloud platform and the monitoring system, and the system framework of cloud platform monitoring, By dividing the framework into five levels of monitored resources, monitoring software, monitoring service, business function and users, the complexity of monitoring system design of cloud computing platform is simplified from the theoretical level through the definition of monitoring model, data model and persistence mode of monitoring data,...

China's first talent management cloud computing platform unveiled

Recently, the "2010-2011 China Enterprise Talent Management Maturity Survey Report" in Guangzhou, the report was officially released by China's largest talent management and evaluation solutions provider North Sen, through a number of indicators on the 1966 Chinese enterprises in the management of the status of human resources system analysis. North Sen President Chris quoted the report as saying that 18% of companies are gradually abandoning traditional EHR software and starting to use talent management software that is more focused on the enterprise's talent strategy. North Sen also will be introduced to reporters the first domestic talent management cloud computing flat ...

The connotation and research progress of cloud GIS

The connotation and research progress of cloud GIS forest root, Liang Europe cloud computing will be the next generation computing platform, cloud computing development will lead to computational science closely related to the development of geographic information systems. This paper summarizes the characteristics of cloud computing by means of literature analysis, cloud GIS connotation, key technology and scientific problems, pointed out that cloud GIS is the use of cloud infrastructure to obtain large-scale computing capacity to solve the huge amount of spatial data in GIS distributed storage, processing task partitioning, query retrieval, interoperability and virtualization and other key scientific issues, Improve GIS data ...

Hadoop FAQ

Hadoop FAQ 1. What is Hadoop? Hadoop is a distributed computing platform written in Java. It incorporates features errors to those of the Google File System and of MapReduce. For some details, ...

A large-scale derived sub-graph extraction algorithm for adaptive cloud

A large-scale derived sub-graph extraction algorithm for adaptive cloud Guo Xin Dongjian Zhouqingzhuang Ping for the existing cloud computing platform resource allocation and the traditional derivation of the sub-graph mining efficiency is lower, and further enhance the cloud computing platform resource integration utilization efficiency and large-scale export of child graph mining efficiency, In this paper, an adaptive cloud extraction algorithm is proposed to solve the problem of resource optimization and mass map mining. Firstly, it introduces the concept of cloud computing and the related concepts of the derivation of the sub graph and the problem description. Then, according to the MapReduce parallel processing model ...

The data processing of natural gas exploration enters "the Cloud age"

Now, whether it is in the vast expanse of the desert in Xinjiang, or in the mountains of Southwest Mountain, the Oil Geophysical Research Institute of the first line of technical service personnel only with a laptop or mobile phone, you can login cloud computing platform to share data, access to a large number of technical resources to support, faster, To carry out the prophase processing of the field seismic data accurately. After more than two years of development and operation, the largest geophysical cloud computing center built by the Institute has become an important support for the efficient development of oil and gas. Chushouli, dean of the Academy, said: "The completion of the Geophysical Cloud Computing Center is not only for data sharing and technology ...

Microsoft announces Azure Cloud Computing pricing official business this year

On July 15, Microsoft unveiled the price of Azure cloud computing services at New Orleans's Global Partners Conference (CSM Partner Conference).  According to the timeline, Microsoft intends to launch a preview version this quarter, which will be officially commercially available by October this year, and will be fully launched in the first half of 2010. At the same time, Microsoft also announced the price of cloud computing services, the service is divided into three parts: Windows Azure Computing Platform, SQL Azure cloud computing ...

Open source cloud Computing Technology Series Three (10gen) installation configuration

10gen is a cloud computing platform that can provide scalable, high-performance data storage solutions for Web applications. 10gen Open Source project is MongoDB, the main function is to solve the website of operational data storage, session object storage, data caching, efficient real-time count (such as statistical pv,uv), and support ruby,python,java,c++, PHP and many other page languages. MongoDB main feature is the storage of data is very convenient, not the traditional object-rel ...

The experiment of meteorological data processing and tuning based on MapReduce calculation model

The experiment of meteorological data processing and tuning based on mapreduce calculation model Yang Runzhi Shen Wenhai Xiaoweizing Hu Kaixi Yang Xin Wang Tian Cloud computing technology The computing power and computational efficiency of parallel computing are realized by using distributed computing technique, which solves the problem of low computing capacity of stand-alone server. The climatic standard values calculated based on the long sequence history data are of great significance to the real time service, quasi real time service and scientific research in the meteorological field. Because of the large amount of data and the complexity of the computational logic, it takes a long time to compile the traditional single node computing platform.

A standard system of common disease medication based on cloud computing

The common disease medication norm system based on cloud computing Zhao Ju Li Jianbo in view of the current irregular use of drug cases, in order to enable clinicians to more rationally regulate the use of drugs, a combination of cloud computing Platform and Association rules Mining technology is proposed a common disease medication specification system scheme. Based on the characteristics of clinical diagnosis disease and the advantages of cloud computing platform, this scheme designs a new architecture, then analyzes the E-R diagram and business flow chart of the new system, and discusses the security and benefits of the new system.

Cloud computing Management three great tools: Nagios, Ganglia and Splunk

Comprehensive utilization of Nagios, ganglia and splunk cloud computing platform monitoring system, with error alarm, performance tuning, problem tracking and automatic generation of operational dimension report function. With this system, you can easily manage the Hadoop/hbase cloud computing platform. Cloud computing has long been not a conceptual phase, with large companies buying a large number of machines to begin formal deployments and operations. And the performance of hundreds of powerful servers, for operational management has brought great challenges. If there is no convenient monitoring and alarm platform, for administrators as if ...

The implementation case of the reference design of the Integrated Hadoop machine: Network new easy Radoop Unified computing Platform

In the current information-based society, more and more unstructured and http://www.aliyun.com/zixun/aggregation/13667.html "> semi-structured data appear, resulting in the amount of data has been the original TB level increased to the PB level." The original single relational database also has a performance bottleneck. To address these challenges you need a solution that meets both high and low cost and high reliability bulk storage requirements while leveraging distributed computing frameworks and databases ...

Construction and research of software engineering professional training platform based on cloud computing

Construction and research of software engineering specialty training platform based on cloud computing Baofeng Software Engineering is a professional training, it is necessary to take the training as a focus, so it is important to build a platform for training. The construction of a training platform can help students from the theory to practice, the system can automatically complete the task submitted by students, teachers can see the task of students, a lot of resources to integrate. This paper mainly from the perspective of cloud computing platform to analyze the construction of the system to build and research. Construction and research of software engineering professional training platform based on cloud computing

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