Java White Paper

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 ...

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 ...

April 8, 2014, Microsoft formally put an end to the technical support of Windows XP, as the longest service in human history of the computer operating system, in its lockout, user information security, and even national information security are facing serious challenges. How can this kind of security threat be effectively resolved after 5 months? Browser is an important way to attack viruses, in a comprehensive software market, how can we choose safe and effective tools and measures to prevent this ensuing security crisis? September 24-25th, at home and abroad hundreds of security field top ...

One, the charm of the management of cloud computing is that users can start using their ID card and credit card, but that's the problem. Such a simple service is bound to bring many challenges to the unprepared IT department. 　　We've been through this many times before: the benefits of a technology that are easy to use end up being an unexpected management challenge, such as virtualization, which causes virtual machines to become fragmented, new security risks to smartphones, and instant messaging that triggers corporate governance problems. This article is intended to show IT managers how to maximize cloud computing ...

The performance of the MapReduce paradigm is not always ideal in the face of large-scale computational-intensive algorithms. 　　To address its bottlenecks, a small start-up team built a product called PARALLELX, which will bring significant improvements to the Hadoop task by leveraging the computing power of the GPU. Parallelx's co-founder, Tony Diepenbrock, says this is a "GPU compiler that translates user code written in Java into OpenCL and is shipped on Amazon's AWS GPU Cloud ...

At present, blockchain technology is in an era of blooming and arguing, and various blockchains have emerged. Interoperability between blockchains has become a very important and urgent need.

It can be said that big data is one of the hottest trends in the IT industry today, and it has spawned a new batch of technologies to deal with big data. And new technologies have brought the latest buzz words: acronyms, professional terms, and product names. Even the phrase "big data" itself makes a person dizzy. When many people hear "big data", they think it means "a lot of data", and the meaning of large data does not only involve the amount of data. Here are a few popular words that we think you should be familiar with, sorted alphabetically. ACID ...

Intermediary transaction SEO diagnosis Taobao guest Cloud host technology Lobby text | Yang Ying Wang special writing Hu Yun drawing | litingting Good design has the power to attract people's hearts. You'll find that even seemingly good designs can make people pay a premium. But a really good design, with a unique perspective and wisdom to constantly revise the various loopholes in life, to provide aesthetic beauty, of course, can also help the company shape the brand. Designer Mitch Kaupol in the 1990 edition of the "Software Design Manifesto", said: "Designers ...

Open source software is now a supporting technology throughout the internet age, and you may not be able to leave the web world built up of Open-source software. Now let's take a look at some of the most important open source technologies. Linux Linux, an operating system for the Internet, is a free operating system that was born in 1991 and can be obtained free of charge through a network or other means, and can modify its source code arbitrarily. It can run major UNIX tool software, applications, and network protocols. It supports 32-bit and 64-bit hardware. Linux inherits Unix to network ...

The enterprise's key business cannot move to the virtualized cloud environment? Before migrating, you must test and prepare for the job beforehand?...... If you are very cautious about private cloud construction, or if you are hesitant, look at Oracle's newly released Exalogic Elastic cloud system, and perhaps you will change your view. ▲ Cloud Computing Middleware Machine: Oracle following the year after the database machine after another masterpiece September 20, Oracle OpenWorld 2010 Conference, the CEO Larry Ellison in his keynote speech ...