Online Trends

Ant Colony Optimization:a Solution of Load balancing in Cloud Ratan-Mishra and Anant Jaiswal in-monitors we are proposing A m Ethod based on Ant Colony optimization to resolve the p ...

Research and realization of distributed service registration center based on Hadoop Shanghai Jiao Tong University based on the analysis of Web service registry and cloud computing platform, this paper presents an application model of a distributed service registry based on cloud, called HDSR (hadoop-based Distributed Service Registry), it uses the Hadoop cloud platform to implement. The model can support service-based behavior ...

Nifty has been operating the site for a long time, and after the launch of the WYSIWYG web platform based on HTML5, users have built more than 54 million sites in the company, and most of them have less than 100 solar PV. Since the PV of each page is low, the traditional caching strategy does not apply. Even so, however, the company has done so with only 4 Web servers. Recently, Wix chief back-end engineer Aviran Mordo in "Wix architecture ...

The REST service can help developers to provide services to end users with a simple and unified interface. However, in the application scenario of data analysis, some mature data analysis tools (such as Tableau, Excel, etc.) require the user to provide an ODBC data source, in which case the REST service does not meet the user's need for data usage. This article provides a detailed overview of how to develop a custom ODBC driver based on the existing rest service from an implementation perspective. The article focuses on the introduction of ODBC ...

Beijing time November 10 morning news, according to foreign media reports, Microsoft will upgrade SQL Server database system to enhance the competitiveness of cloud computing area. 　　 　　The new SQL Server code-named "Denali" will introduce a development tool specifically designed for Visual Studio to bridge application development and deployment between the enterprise and the Azure cloud database. It is reported that Microsoft will publish Denali's first preview of the Seattle SQL Server Professional league Annual meeting. This ...

This article comes from a blog article from the spark streaming project leader Tathagata Das, who is now working for the Databricks company. In the past, the Amplab laboratory in UC Berkeley has been working on large data and spark streaming. 　　This paper mainly talks about the improvement of spark streaming fault tolerance and 0 data loss. The following is the original: the real-time streaming system must be able to work within 24/7 hours, so it needs to have from various systems ...

This article, formerly known as "Don t use Hadoop when your data isn ' t", came from Chris Stucchio, a researcher with years of experience, and a postdoctoral fellow at the Crown Institute of New York University, who worked as a high-frequency trading platform, and as CTO of a start-up company, More accustomed to call themselves a statistical scholar.   　　By the right, he is now starting his own business, providing data analysis, recommended optimization consulting services, his mail is: stucchio@gmail.com. "You ...

The recent closing of the Boao Forum for Asia, the annual meeting, is a gathering, brainstorming. With readers concerned about the future development of IT industry, as well as how technology innovation and other issues, science and technology daily reporter interviewed Microsoft Global Senior vice President, Microsoft Asia-Pacific Research and Development Group chairman Dr. Zhang. 　　He said the word "secret": Market, technology and many other needs will promote IT industry technology innovation, cloud computing, human-computer interaction and other technologies will lead the IT industry a new round of revolution. Mobile terminals and cloud computing will be the priority of the IT industry Zhang that from ipod to iphone to ...

The advent of large data enabled business intelligence to truly enter the 21st century. But in fact, the word "big data" is not a solution, but a kind of problem. What values are hidden in these petabytes of data, and what we can get out of it, and to guide all aspects of business deployment. But this huge amount of data is actually not very useful. 　　Therefore, in order to use its hidden value, enterprises need to collect, filter, and through the emotional analysis of the application, positioning tools and other technologies to analyze it to generate useful information, so as to serve the future business development. Clouds can be used as ...

When cloud computing has just been known, most people hear about public clouds. This is mainly because the public cloud service providers are some of the industry's big companies, such as Google, Amazon and so on. By the time people actually started to let cloud computing fall to the ground, the focus was on private clouds. This is because the data security, controllability and other aspects of consideration, the enterprise is more willing to choose private cloud. 　　In view of this, it is necessary to understand how to deploy a private cloud. In general, private cloud construction involves implementing virtualization, deploying automated tools, developing new processes, and managing systems, among others, although someone ...

For many friends, the loss of mobile phone is absolutely a very sad thing. After all, the cell phone store our various things, friends of 32 of photos, sweet information between lovers, meeting records of documents, these are not afford to lose. Do not talk about the loss of mobile phone will be a burst of "xx door" such things, only to find the missing cell phone data, it is enough to let us crazy, is completely blood and tears interwoven history. A waste of time, and energy, may also ruin the day's happy mood. Then the problem comes, since the data back so troublesome, there is no quick and easy way directly ...

Remember when many friends chose to disable JavaScript on their browsers for security reasons. To this day, this has become ridiculous--for the simple reason that JavaScript has ruled the entire web world. In this new computing era, full of platform diversity, we need applications that can run in any device browser. Native apps may run faster and invoke a specific platform feature that more JavaScript cannot touch, but there's no denying that the cloud is coming and we're in it ...

A few years ago, talk about smart home, people still think to chisel open the wall, dense wiring, hinder the beautiful, expensive, system upgrade and update difficulties, after-sales service also because the line was buried led to fault diagnosis can not be timely, these have seriously affected the satisfaction of consumers, can not be accepted by customers. Smart home will work together wireless technology, cloud computing now, with the rise of the Internet of things, smart home ushered in the two revolution, the level of intelligence significantly increased, customers take the phone can handle daily eating and drinking Lazarus sleep. Now the smart home has been from the original wired transmission jumped to no ...

Although the Cloud platform architecture is evolving, the basic features of cloud computing have not changed. Once, the enterprise's computation all runs on the large-scale machine, the main performance is a tightly controlled and the strict supervision centralized management system. 　　As a result, it takes years to develop a number of business solutions. To address the problems faced by the enterprise, server manufacturers have built smaller systems that are suitable for running only one application. In this mode, the enterprise simply funds the hardware platform needed for its project to reduce the procurement cycle ...

Recently, the global server security, virtualization and cloud computing security leadership trend Technology announced that the server Deep security protection system (DEEP) has fully supported the Huawei Fusionsphere Cloud operating system and its virtualized network application deployment. The two vendors are actively cooperating on the technical level with an open posture, with the aim of creating a secure and reliable next-generation data center operating model that will help users fully enhance the profitability of virtualization, VDI and cloud investment. And the deep for the construction of Huawei Cloud ecological environment ...

Usually the development of the thread is a thing, such as Tomcat is a servlet in the threads, there is no thread how do we provide multi-user access? But many developers who have just started to touch threads have suffered a lot. 　　How to do a set of simple threading Development Mode framework for everyone from the single thread development into multithreaded development, this is really a relatively difficult project. What is the specific thread? First look at what the process is, the process is a system executed a program, this program can use memory, processor, file system and other related resources ...

With the rapid development of SOA (Service Oriented architecture, services-oriented architecture) and cloud computing, all kinds of enterprises are confronted with the great challenges and opportunities brought by this technology development. Many enterprise technology architectures are turning to SOA or a hybrid model built with other architectures, providing services that take full advantage of cloud delivery. Among them, the cloud computing model is an important cooperative architecture in which cloud computing providers create huge resources on the web, and companies can leverage these architectures to make the most of their resources. It has become a lagging part of the business transition. For the ...

In the era of Internet of things, innovative technologies, based on large data, cloud computing, mobile and social networking, are subverting traditional lifestyles and working patterns. October 31, "The first 2014 Tianjin Intelligent City Construction and Development Summit Forum" opened in Tianjin, the summit, the application of the latest ibeacon Bluetooth technology, "Smart city" app has become a new bright spot, it enables participants to fully experience the mobile internet and the era of things during the conference " 　　Wisdom meeting. " The "Smart city" app for this summit was developed based on the IBEACON CS platform ...

I believe you have seen in many places "Docker based on Mamespace, Cgroups, chroot and other technologies to build containers," but have you ever wondered why the construction of containers requires these technologies? 　　Why not a simple system call? The reason is that the Linux kernel does not have the concept of "Linux container", the container is a user state concept. Docker software engineer Michael Crosby will write some blog posts and dive into Docke ...

First, the phenomenon of Hadoop process CPU accounted for 800% second, check the question 1, top Z highlight H display thread <> page 2, jstatack sudo-u admin Jstack 97932 | Pager 2014-03-20 21:45:45 Full thread dump OpenJDK (Taobao) 64-bit Server VM ...