Big Data

Guide: The software architect who recently worked for a number of large companies has taken into account the Kristóf Kovács's blog about the mainstream NoSQL database (Cassandra, Mongodb, CouchDB, Redis, Riak, and HBase) in a comprehensive comparison. Although the SQL database dominates 15, it is time to end it. NoSQL in the heyday of today, a variety of nosql products are blossoming, but each ...

With the development of data services and NoSQL databases, Web applications increasingly need NoSQL databases, and now it seems that NoSQL databases have a tendency to break traditional relational databases. In December last year, couchbase a http://www.aliyun.com/zixun/aggregation/32268.html "> survey showed that many companies are ready to adopt NoSQL technology over the next year." But why did they deploy NoSQL? Why they give up ...

Integrated equipment (appliance) and large data analysis features have been the focus of attention in the latest 2012-year Data Warehouse Magic Quadrant report of Gartner, where major data warehouse vendors have increased their input in their offerings. This article will be the current industry's major manufacturers and products to make a comparison, end users can also be based on their own needs to evaluate the data Warehouse products. After acquiring Aster Data Bae last year at a price of 263 million dollars, Teradata's product line gets ...

Several years of work down, also used several kinds of database, accurate point is "database management system", relational database, there are nosql. Relational database: 1.MySQL: Open source, high performance, low cost, high reliability (these features tend to make him the preferred database for many companies and projects), for a large scale Web application, we are familiar with such as Wikipedia, Google, and Facebook are the use of MySQL. But the current Oracle takeover of MySQL may give us the prospect of using MySQL for free ...

NoSQL systems generally advertise a feature that is good performance and then why? relational database has developed for so many years, various optimization work has been done very deep, nosql system is generally absorbing relational database technology, and then, in the end what is the constraints on the performance of relational database? We look at this problem from the perspective of http://www.aliyun.com/zixun/aggregation/9344.html "> System design." 1, index support. Relational data ...

Recently read some articles about the development of database technology, basically revolve around the discussion of SQL and NoSQL to unfold. Remember when the NoSQL movement just started, "Dour No to SQL" slogan, of course, the slogan did not become a reality, people eventually accepted the not-only of SQL. But really to give NoSQL the next definition, it is not easy, people used to MongoDB, Redis such products as a general definition of NoSQL, can be attributed to the "four major categories." But ...

What skills does IT staff have to be "invincible" during the economic downturn? Today, the enterprise's data center has become the center of attention. If you are involved in the technology and management areas associated with data centers, there are some skills that you must have. Recently, the United States "receptacle World" listed the data center in the field of ten top skills. 　　As the pace of transition to a new generation of data centers accelerates, these skills will become a necessity for the IT pros in their careers. 1. Virtualization as an advanced IT infrastructure technology, ...

SaaS is generally considered to be a provider for the enterprise to build the information required for all network infrastructure and software, hardware operating platform, and responsible for all the implementation of the prophase, the maintenance of the latter series of services, enterprises do not need to buy hardware and software, building rooms, recruiting IT staff, can use the Internet Information systems 　　Just like opening a tap to water, an enterprise leases software services from a SaaS provider, depending on the actual needs. At present, many multinational information technology industry companies in the world are developing SaaS based products and services to provide a technology platform for the future development of the Internet.

SQL and NoSQL Hybrid database solutions that are compatible with many SQL applications while providing NoSQL scalability. Xeround provides such services in the cloud, including a free version. 　　Other programmes include JDBC-driven database.com, NuoDB, http://www.aliyun.com/zixun/aggregation/13932.html ">clustrix and Voltdb." Xero ...

Oracle Virtual http://www.aliyun.com/zixun/aggregation/33969.html >private Database 　　Hereinafter referred to as VPD) is a security feature provided in Oracle database products that guarantees the multi-tenant nature of Oracle databases while helping users with database consolidation. Oracle VPD can target database tables and views, ...

Introduction: Foreign media February 6 commented that the significant increase in data volume on the Internet will further aggravate the technology industry mergers and acquisitions tide. 　　Companies such as Cisco, IBM, Google and Hewlett-Packard will increase mergers and acquisitions in an effort to enhance competitiveness in data storage, analytics and security services. The following is the full article: Cisco, the world's largest maker of network equipment, reckons that by 2015 the data generated every 5 minutes on the Internet is equivalent to the amount of data contained in all films. How to manage these data will be a hot spot in the tech industry, which will drive 2012 of years of technology acquisitions. ...

With the advantages of rapid deployment, energy efficiency, modular architecture, and mobility, the container data center began its rapid commercial deployment phase in 2011. For the container data center, the past 2011, can be said to be its landing in China, the year of application. This year, not only many manufacturers have launched their corresponding products, and operators began to consider the size of the deployment of container data centers. However, the research institute pointed out that the container data center is mainly used for a number of special business and data center location requirements, but want to popularize, it will take a long time, the next 3 years as the overall data center City ...

According to the IDC survey, global data volumes reached 1.2ZB at the end of 2010. By 2020, global electronic devices will have a 30 times-fold increase in data storage, up to 35ZB (equivalent to 1 billion 1TB of hard disk capacity). But for the prepared enterprise this is undoubtedly an information gold mine, with the progress of data mining technology, valuable information will become easy to obtain. With the advent of the large data age, data storage, data mining, and processing and analysis of large data-related technologies are more concerned than ever. Big data is becoming the cornerstone of enterprise development, and gradually ...

HDS has accelerated the development of its cloud object storage HDI to http://www.aliyun.com/zixun/aggregation/6267.html "> Share data, retrieve old versions of files, and continuously migrate new files to a Hitachi based cloud." HDI is a physical or virtual caching device that provides a NAS interface for virtualized and extensible object storage by using the file data obtained from the Hitachi content platform (HCP) from remote and branch offices or other cloud storage users. Multiple ...

December 15 News, according to Reuters, power and automation technology group ABB Company announced today with social networking site http://www.aliyun.com/zixun/aggregation/1560.html "> Facebook signed a contract worth about 11 million dollars to provide power to Facebook's first data processing center outside the United States. ABB said in a statement that the data Processing center is located in the Arctic Circle, an area equivalent to 11 football fields. Out of the green ...

Microsoft recently announced the development of a open-source version of Hadoop compatible with Windows Server and Windows Azure platform. IBM announced the creation of a new storage architecture on Hadoop to run DB2 or Oracle databases as a cluster to enable applications to support high-performance Analytics, data warehousing applications, and cloud computing purposes. EMC has also launched the world's first custom, high-performance Hadoop dedicated data processing equipment--greenplum HD Data computing equipment, providing customers with the most powerful 、...

The history of human Communication provides services for 800 million internet users every day. When the data center was created, it brought in temporary jobs up to 1400 people. The tens of thousands of-server data center on the square-foot site is run by only 55 people, half of whom http://www.aliyun.com/zixun/aggregation/7131.html "> duties are security content." (100 sq. ft. = 9.290304 sqm)--This is the name tripod ...

OpenFlow is the latest internet technology that has recently begun to commercialize the university labs. At the Las Vegas Interop Fair in 2011, the technology was presented as a sensation, and the show was also called the "OpenFlow exhibition". Although the protocol is simple, it will have far-reaching implications for the network architecture and the 16 billion-dollar switch market. We will review the origins of OpenFlow and the various problems it can solve, including its current common architectures, and we would like to know why OpenFlow can be called ...

Data center has become http://www.aliyun.com/zixun/aggregation/2272.html "> three major Operators Battleground, in the past two years, the three major operators have increased investment in the data center and accelerate the pace of construction." In today's "China Unicom (micro-blog) IDC Business Promotion Meeting", China Unicom system integration Company Deputy general manager Gao Wenrong said: "In 2011, China Unicom in the IDC business income of more than 2.2 billion yuan, maintained a 2-digit growth trend." ...

According to a survey conducted by TDWI, 34% of companies now make decisions through large data analysis. Amazon, Cloudera and IBM have all released their Hadoop-as-a-service products, and similar products from Microsoft will be available next year.   　　This shows that the development of large data and Hadoop is becoming more and more strong, the future will become more and more important. As early as 2009, Amazon launched the AWS Elastic MapReduce ...