In January, all the common top-level domains (. com/.net/.org, etc.) in mainland China were resolved, and all related domain names were directed to an IP address (65.49.2.178) located in the United States, resulting in tens of millions of of Internet users being unable to access the site within hours. April, OpenSSL "Heart Bleed (Heartbleed)" significant security vulnerabilities were exposed, which allowed hackers to read the server system's running memory. There are people in the industry to use this loophole in a well-known electric website test, successful access to a number of users of the account and password, and successfully published ...
In the use of Team collaboration tool Worktile, you will notice whether the message is in the upper-right corner, drag the task in the Task panel, and the user's online status is refreshed in real time. Worktile in the push service is based on the XMPP protocol, Erlang language implementation of the Ejabberd, and on its source code based on the combination of our business, the source code has been modified to fit our own needs. In addition, based on the AMQP protocol can also be used as a real-time message to push a choice, kick the net is to use rabbitmq+ ...
Introduction with the advent of the cloud computing era, various types of Internet applications are emerging, the relevant data model, distributed architecture, data storage and other database related technical indicators also put forward new requirements. Although the traditional relational database has occupied the unshakable position in the data storage, but because of its inherent limitation, has been unable to satisfy the cloud computing age to the data expansion, reads and writes the speed, the support capacity as well as the construction and the operation cost request. The era of cloud computing has put forward a new demand for database technology, which is mainly manifested in the following aspects. Mass data processing: to ...
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 ...
According to IDC forecasts, in 2006 the world's data storage volume is 180,000 PB, and now this number has reached 1.8 million PB, and in 2015 years will reach 8 million PB. At the same time, analysis of the company's data shows that by 2015, the output of large data will reach 16.9 billion U.S. dollars. The big time we see Big data is coming quietly. Although data analysis has always been a part of IT industry, and data warehousing, data mining, business intelligence and so on has been continuously for the development of enterprises and innovation to provide value, but with the scale of the data index increase ...
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