Vector Push

With the explosion of information, micro-blogging website Twitter was born. It is no exaggeration to describe Twitter's growth with the word "born". Twitter has grown from 0 to 66,000 since May 2006, when the number of Twitter users rose to 1.5 in December 2007. Another year, December 2008, Twitter's number of users reached 5 million. [1] The success of Twitter is a prerequisite for the ability to provide services to tens of millions of users at the same time and to deliver services faster. [2,3,4 ...

"5" Data flow and control flow in the previous article, Twitter has two main points to watch, caching and Message Queuing. The role of Message Queuing is to "isolate user requests and related operations in order to flatten traffic peaks (move operations out of the synchronous request cycle, amortize load over time)". By letting the Apache process empty loop, quickly accept ...

The scalability of the system is the main reason for promoting the development of NoSQL movement, including distributed system coordination, failover, resource management and many other features. That makes NoSQL sound like a big basket that can be stuffed with anything. Although the NoSQL movement does not bring fundamental technological changes to distributed data processing, it still leads to extensive research and practice on protocols and algorithms. It is through these attempts to gradually summarize some effective database construction methods. In this article, I will focus on the NoSQL database distributed special ...

The scalability of the system is the main reason for promoting the development of NoSQL movement, including distributed system coordination, failover, resource management and many other features. That makes NoSQL sound like a big basket that can be stuffed with anything. Although the NoSQL movement does not bring fundamental technological changes to distributed data processing, it still leads to extensive research and practice on protocols and algorithms. It is through these attempts to gradually summarize some effective database construction methods. In this article, I will focus on the distributed features of the NoSQL database ...

"7" as a progressive not completely incomplete way of working, for architectural design is a progress. When a user from a browser requests to reach the Twitter backend, the first one to greet it is the Apache Web Server. The second exit is Mongrel Rails Server. Mongrel is responsible for handling requests for uploads as well as for downloading requests. Mongrel processing upload and download business logic is very concise, but the simple appearance, but contains the unconventional ...

Wen/Liu Huafang connect Everything, is the essence of the Internet, I am in the "Internet meditation" to focus on the meaning of the connection, through our connection to the vector, information flow, pipe width, such as the understanding of the gradual deepening of the Internet connection all the blueprint is a step-by-step into reality.  The connection is to tell us that the way to create value does not necessarily subvert the invention, but to bring good user experience and convenience, Internet thinking is not in fact mysterious, only one, is connect. When Millet became the industrial miracle, from the media climax fell into ...

&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Flash is the standard for interactive vector graphics and Web animations introduced by Macromedia.     Web designers use Flash to create beautiful and scalable navigation interfaces and other exotic effects. After years of vigorous development, Fla ...

The intermediary transaction SEO diagnoses Taobao guest Cloud host technology Hall in the past year, we have seen a growing trend in Web page painting. Maybe some brothers still remember some of my earlier articles about Web page descriptions, with a hobby that can be clicked to check, and now we can see that many ideas have now been completed, and some have adopted some of the more high-level fancy ideas. 　　In today's article, I will share with us a new trend towards more than 20 Web pages in 2013 years. The effect of the depiction is only a civilization and a user from us ...

Every time I open the pea pod, the upper left corner of the number will indicate that I have several software needs to be updated, as long as I do not open a week, need to update the software up to more than 10. 　　If I have 360 or QQ security software installed on my computer, I should also be busy eliminating the numbers on the Software butler icon. If you install these tools to help you update the latest version of the software, you will find that the software upgrades are very fast. But I'm not worried about software updates on my computer. Not only did I not install that kind of software housekeeper, I also recently volunteered to ...

When we use a server to provide data services on the production line, I encounter two problems as follows: 1) One server does not perform enough to provide enough capacity to serve all network requests. 2) We are always afraid of this server downtime, resulting in service unavailable or data loss. So we had to expand our server, add more machines to share performance issues, and solve single point of failure problems. Often, we extend our data services in two ways: 1) Partitioning data: putting data in separate pieces ...