Time Series Data

Http://www.aliyun.com/zixun/aggregation/13461.html ">mongodb and Cassandra are the two most popular NoSQL databases, MongoDB is the NoSQL field is worthy of the popularity of the king, while the Cassandra is the perennial occupation of the column storage field chief, compared with the hbase of concern for many reasons have been second. Recently Mydrive soulutions operation and Frame ...

Several articles in the series cover the deployment of Hadoop, distributed storage and computing systems, and Hadoop clusters, the Zookeeper cluster, and HBase distributed deployments. When the number of Hadoop clusters reaches 1000+, the cluster's own information will increase dramatically. Apache developed an open source data collection and analysis system, Chhuwa, to process Hadoop cluster data. Chukwa has several very attractive features: it has a clear architecture and is easy to deploy; it has a wide range of data types to be collected and is scalable; and ...

Whether it is a Web analytics tool, BI Report or data, it is difficult to see the data isolated point of view, usually the data is in the form of sequence, grouping and so on, the reason is very simple, we can not find from a single data, the data used for analysis must contain context. The context of the data is like setting one or more reference lines for each metric, and analyzing the pros and cons of the data through these references and the comparison process, like the physics of the middle school ...

Reporters from the State Oceanic Administration Polar Investigation Office received information, the 31st South Polar Expedition team will be at the end of October this year or early November to go to Antarctica to perform the mission and the Kunlun Station Project mission. At present, the South Polar expedition team only Test ship "Snow Dragon" of the equipment work is in a tense and orderly. (Figure: Ox air Conditioner Product "on board" Snow Dragon number) is learned, since 2011 to the successful "service" three years, to undertake the "Snow Dragon" on the science team to cool the work of the Austrian air conditioner, by virtue of its high efficiency in extreme weather stability and 0 failure of the outstanding quality of honor again authorized ...

With the development of information technology, data security has become the focus of people's attention. 　　Many people in daily life like to use mobile devices (such as U disk, CD-ROM or mobile hard disk) to back up the data, when the data is damaged by the virus, the backup media is damaged when the data recovery is a problem, the loss of equipment will be a threat to data security. But the trade, the logistics, the electronic commerce, the net swims and so on network company all regards the data as the enterprise's lifeblood, for them such backup method is undesirable, not only time-consuming laborious, but also cannot get the essential protection to the key data. Here are the experts to recommend several common ...

Victor Maire-Schoenberg, one of the authors of the Great Data Age: A major change in life, work and thinking, has said that, as telescopes allow humans to perceive the universe, microscopes allow humans to observe microbes, and big data opens up a major transformation of the times. Large data, the most fashionable word in the IT field, is simply the ability to quickly obtain value information from a variety of data. The United States was the first country to discover and use the value of large data science. March 2012, the Obama administration announced the investment of 200 million dollars to pull big data related industry development, will "big data ...

Innovative report from the dean of top research institutes when all our actions and our lives can be "data", the company that holds the data is like owning a rich gold mountain. 　　As Victor Maire-Schoenberg says, the big data age is "the future that has happened," and in this already-occurring future, there is no bystander. December 19, 2013, by the boutique media "digital Business Times" sponsored by the "Great data creation of the era of Subversion" 2013 China Summit Forum in Beijing to make a grand Holiday Crowne Plaza Hotel ...

On the occasion of the first anniversary of the birth of Yu Bao, Tian Hong Fund launched the series of "Big Data Report of the First Year of Yu Bao Bao", scanning fans' features, age, order quantity, geographical location and habits , Trading frequency and other information at a glance, the full sample of the massive data will let you find the unknown side of Bao powder. Full sample scan, the real mass of data Some people hope that out of the big data from the business opportunities, some people think that big data does not fly. Hot US drama "Card House" is a big data "count" out of the TV series - what to shoot, who shoot, who play, how to broadcast, by thousands ...

The purpose of data mining is to find more quality users from the data. Next, we continue to explore the model of the guidance data mining method. What is a guided data mining method model and how data mining builds the model. In building a guided data mining model, the first step is to understand and define the target variables that the model attempts to estimate. A typical case, two-dollar response model, such as selecting a customer model for direct mailing and e-mail marketing campaigns. The build of the model selects historical customer data that responds to similar activities in the past. The purpose of guiding data mining is to find more similar ...

Summary: Last month Microsoft's latest desktop operating system, Windows 8 and 8.1, reached 5.88% and 10.92%, according to NetMarketShare, the Market Research Institute for Internet Technology share, and the stubborn XP share finally fell to 17.18%, Microsoft's latest desktop operating system, Windows 8, and 8.1 market share reached 5.88% per cent, respectively, according to the latest data from Microsoft's Market Research Institute for Internet Technology share, NetMarketShare.