Data Replication Software Comparison

Comparison of 8 kinds of NoSQL database system: Kristóf Kovács Editor: Agile translation: Tang Yuhua share: More: Kristóf Kovács is a software architect and consultant who recently published an article comparing various types of NoSQL databases. The article is compiled by Agile translation-Tang Yuhua. If you want to reprint, please refer to the text after the declaration. Although SQL database is very useful ...

From August 19, 2014 to 20th, the "2014 China International Data Conference" was held at the Ambassador Hotel in Beijing. 　　The following is Zhu speech by general manager of IBM China Development Center information Management Software Department. 　　Point of view concentration: 1, large data this matter, if it has a life cycle, I think it has not exceeded its infancy; 　　2, the charm of large data is not that it is big, but it is such a large number of data can produce more and more value before. 3, the big data is not only refers to the new data, in this society, the most valuable data is still ...

"Editor's note" in the cloud computing ecosystem, there are two types of users that need to use cloud computing resources: the traditional (traditional IT applications) and the emerging Cloud computing Application (Cloud-aware applications) in the Internet tide. A popular metaphor abroad is that in the traditional service mode, it can be imagined that the server is the IT pet (Pets), give them name, carefully raised, when they are sick, you have to repair them; in the new form of application service model, virtual machine ...

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 ...

1. Languages used in COUCHDB: Erlang features: DB consistency, easy to use license: Apache protocol: http/rest bidirectional data replication, continuous or temporary processing, processing with conflict checking, therefore, The use of Master-master replication (see note 2) mvcc– write without blocking read operation Pre-save version crash-only (reliable) design requires data compression view: Embedded mapping/Reduce formatted view: List display support for server ...

"Csdn Live Report" December 2014 12-14th, sponsored by the China Computer Society (CCF), CCF large data expert committee contractor, the Chinese Academy of Sciences and CSDN jointly co-organized to promote large data research, application and industrial development as the main theme of the 2014 China Data Technology Conference (big Data Marvell Conference 2014,BDTC 2014) and the second session of the CCF Grand Symposium was opened at Crowne Plaza Hotel, New Yunnan, Beijing. 2014 China Large data Technology conference ...

It has been almost 2 years since the big data was exposed and the customers outside the Internet were talking about big data. It's time to sort out some of the feelings and share some of the puzzles that I've seen in the domestic big data application. Clouds and large data should be the hottest two topics in the IT fry in recent years. In my opinion, the difference between the two is that the cloud is to make a new bottle, to fill the old wine, the big data is to find the right bottle, brew new wine. The cloud is, in the final analysis, a fundamental architectural revolution. The original use of the physical server, in the cloud into a variety of virtual servers in the form of delivery, thus computing, storage, network resources ...

-----------------------20080827-------------------insight into Hadoop http://www.blogjava.net/killme2008/archive/2008/06 /05/206043.html first, premise and design goal 1, hardware error is the normal, rather than exceptional conditions, HDFs may be composed of hundreds of servers, any one component may have been invalidated, so error detection ...

It's the end of the year, and it's time to summarize. What should the Business-to-consumer summarize? Profit?? Gross profit?? Cost?? Empty words must be very pale, very amateur. Data, speak with data. According to the business characteristics of the operator, the author establishes the data model of the whole enterprise operation system, and the technical department has started to connect the backstage of the mall and implement the data analysis backstage of our web Edition. Next year our operation department, will gradually realize the operation data, take the data as the guiding ideology, discovers the problem, solves the problem, gradually makes our operation work steady one step after another. First: Day ...

China's most influential and largest large data-gathering event--2013 China's Big Data Technology conference (DA data Marvell CONFERENCE,BDTC) was held in Beijing in December 2013 5-6th. Dozens of leading companies, nearly 70 lectures, not only covers the Hadoop ecosystem and flow calculation, real-time computing and NoSQL, Newsql and other technical direction, but also on the Internet, finance, telecommunications, transportation, medical and other innovative cases, large data resources laws and regulations, large data commercial use policy ...