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"TechWeb reported March 5 News, according to foreign media reports, Apple this year will be the new iphone (that is, the iphone 6s) update features include last year for the ipad Air 2 features, such as upgrading to 2GB RAM and may be pre-installed Apple SIM card, etc. The latter will allow users to choose their own operators. It is understood that Apple had previously released the iphone 5 from 2012 to provide 1GB RAM for this series of products, and earlier that year the company was the third generation Retina display ipad's a series ...

For those who like to watch high-definition movies on their mobile phones, the mobile phone besides the processor to give power, the screen display effect also plays a very important role, although iphone are very strong in all aspects, But its tiny 3.5-inch screen is really not fun, fortunately, the Android phone screen is big enough, and the resolution has entered the 720P HD era, can be a perfect display of 720P movies, browsing the web to play the game more enjoyable, the following editors recommend several with HD big screen hot-selling dual-core smartphone introduced to everyone, Be the entertainment party and don't miss it. First, hot-selling high-performance intelligent machine recommended —...

Breakthroughs in device technology are used to transform between "compute-centric" and more balanced "data-centric" computing infrastructures. The author investigates storage-level memory, demonstrates how to populate the long-standing performance gap between RAM and rotating disk storage, and details the use of I/O bus coprocessor (which handles similar data), and explains how to build a low-cost high-performance interconnect network using InfiniBand, The extensible storage of unstructured data is discussed. Computational systems engineering has historically been made up of extended processors and dynamic RAM ...

With the start of Apache Hadoop, the primary issue facing the growth of cloud customers is how to choose the right hardware for their new Hadoop cluster. Although Hadoop is designed to run on industry-standard hardware, it is as easy to come up with an ideal cluster configuration that does not want to provide a list of hardware specifications. Choosing the hardware to provide the best balance of performance and economy for a given load is the need to test and verify its effectiveness. (For example, IO dense ...

IBM pureapplication System (W1500 and W1700 v1.0 and v1.1) is a boxed cloud computing system with hardware and software to deploy and execute workloads in the cloud, with all the functionality required to add a private cloud environment to an enterprise data center. This article outlines the hardware contained in Pureapplication system and uses the system console to view individual components. This article is part 1th of a series of three articles that will introduce ...

I find it very confusing to see a modest IT infrastructure with little or no virtualization at all, and I'm even more surprised when I learn that they have no intention of accepting virtualization in the near future. Whether it's out of the "get out of my way" attitude or simply to reduce the budget, it is crazy to stick to the traditional physical infrastructure today. First, what do these companies buy as servers? If they replace old single and dual-core servers with new four-or-quad servers and simply move services, they already have enough ...

Today's demand for data centers is solid and effective, and this should be done first by "reasonable use". While idle resources are a waste of money for an environment. But if you fail to make a reasonable resource allocation to the frequently used data center, it will lead to a dangerous scene. A single hardware failure may cause other physical hosts to fail. The challenge for IT managers is to use and manage computing resources across the entire environment (usually including physical, virtual, and cloud resources). This article will discuss resource planning and problem mitigation as a means to achieve the goal of resource optimization. We will also ...

Designing 1 applications doesn't seem to be difficult, but it's not easy to achieve the optimal performance of the system. There are many choices in development tools, database design, application structure, query design, interface selection, and so on, depending on the specific application requirements and the skills of the development team. This article takes SQL Server as an example, discusses the application performance optimization techniques from the perspective of the background database, and gives some useful suggestions. 1 database design to achieve optimal performance in a good SQL Server scenario, the key is to have 1 ...

"Virtual Wisdom: VMware vsphere" 1th chapter of the purpose and nature of enterprise virtualization, the focus of this chapter is the basic knowledge of virtualization, but also the current and virtualization of the most relevant cloud computing technology, this section for you to introduce the different levels of cloud computing instructions. 　　Different levels of application have different levels of means, but basically cloud computing will not leave the previous few keywords, we are in this section to look at several well-known cloud computing. 1. Software as a service software service the most famous is Flickr. This photo-sharing service ...

Everyone wants the computer to start immediately into the Windows system without waiting, or the system in the use of the time will not be more and more slow, but for a variety of reasons often make these wishes can not be achieved, or even a startup on the crash or use the situation is more and more slow to occur often. In fact, sometimes Windows start slow is not its own problem, but some equipment or software. This article is the software, hardware and virus three major aspects to analyze the system slows down the reason, and provides a system-specific acceleration techniques. ...