Database Needs To Be In Single User Mode

As a software developer or DBA, one of the essential tasks is to deal with databases, such as MS SQL Server, MySQL, Oracle, PostgreSQL, MongoDB, and so on. As we all know, MySQL is currently the most widely used and the best free open source database, in addition, there are some you do not know or useless but excellent open source database, such as PostgreSQL, MongoDB, HBase, Cassandra, Couchba ...

After more than eight years of practice, from Taobao's collection business to today to support all of Alipay's core business, and in the annual "Double Eleven Singles Day" continue to create a world record for the transaction database peak processing capacity.

The traditional It delivery model has many problems, whether from the delivery cycle or from planning to experience, there are a lot of difficult to determine the factors, many times because of some subjective or objective reasons cause project lag or miscarriage. Today to recommend the SaaS Pioneer Enterprise called Cloud technology, founder Shipeixin is to see the current enterprise IT delivery pain point, in September 13 began to build the first fully automatic and full self-service enterprise cloud service platform. It can be considered "a platform to subvert the existing enterprise IT delivery model, a community of application experience and software learning, a professional it person ...

The intermediary transaction SEO diagnoses Taobao guest cloud host Technology Hall "I the World Net Business note" for the user, Choice hotel, the traditional channel is still the recommendation of friends and relatives, but at the same time, the wedding is a highly personalized thing, the process is to see the venue, determine the date. Wen/Wang Haitian in the whole wedding industry chain, because each chain of independent, customer unit price and high, make the user's decision cost is very high. 　　In these chains, the wedding is scheduled to be at the forefront. 2007, Huekenan ...

HBase is a distributed, column-oriented, open source database based on Google's article "Bigtable: A Distributed Storage System for Structured Data" by Fay Chang. Just as Bigtable takes advantage of the distributed data storage provided by Google's File System, HBase provides Bigtable-like capabilities over Hadoop. HBase Implements Bigtable Papers on Columns ...

Building a fully service-oriented system has always been the goal pursued by Twitter, and from the previous article, we shared Twitter to cope with the overall 143,000 TPS peak system overview, but the details of the various service components are not involved. Fortunately, the company recently disclosed Manhattan's independently developed database system, which delivers in-service features while delivering features such as high availability and availability. The following is translation: As Twitter grows into a global user exchange ...

In recent years, the rapid development of e-commerce, affecting the entire industry changes, the largest of which is the business-to-business industry. According to the research report of China Electronic Commerce Research Center, 2012 business-to-business E-commerce turnover reached 6.25 trillion, an increase of 27%. As of December, China's business-to-business E-commerce service Enterprises reached 11,350, an increase of 8%. 　　According to the data, it is expected that by the end of 2013, 80% of all technology companies submitting IPO applications will be business-to-business. The popularity of E-commerce has led to the transformation of business-to-business industry, but also ...

Beauty said, Mushroom Street and other social electric power business model of the rise, once again the social power to pull into the industry and investors vision. It is generally believed that social electronic commerce (Social Commerce) is a new model of e-commerce with the rise of social network, which uses social media such as microblogging, space, blog and media as media to realize the purchase and sale of goods through social interaction and user-generated content. Let's not discuss the difference between social E-commerce and E-commerce, only from the Chinese social e-commerce business model, the current to achieve sellers and buyers ...

Cloud computing License Management, the cloud computing license model, should focus on the ability to migrate applications and data in virtual environments (data centers, private clouds, and public clouds). It includes license mobility or mobile application and operating system licenses between different virtual environments, such as: • Between different virtual hosts within the virtual data center • Between different hosts within the public cloud • Between different hosts in the private cloud • Between the virtual data center and the public cloud ...

"Editor's note" WiX has been operating the site for a long time, and after the launch of the WYSIWYG web platform based on HTML5, users have established more than 54 million sites in the company, and most of these sites 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 "...