Queue Rails

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 ...

As a software engineer, the past few years have been dedicated to web development. In innovative companies, speed saves time, money, and money to ask more engineers to make the whole development faster. The school does not teach many "software engineering" methods, or how to be a good programmer. These things do not exist in the Taiwan industry, we are doing side touch, learn from experience. I've learned a lot from books and the internet about ways to make the team more productive, because I believe that I have to do this in the new team, with the industry's recognition that it's fast ...

"2" three sections of the site's architectural design, the traditional approach is syllogism. The so-called "traditional" is not synonymous with "outdated". Architectural design of large web sites, emphasizing practicality. Trendy design, although attractive, but the technology may be immature, high risk. So, a lot of big websites, walk is the way of the Conservative tradition. When Twitter was online in May 2006, they used ruby-on-rails tools to simplify the development of the site, and Ruby-on-rails's design thought was three paragraphs. 1. The preceding paragraph, namely ...

(Wen/zack Parker, Cotap CTO) Cotap is a safe enterprise Mobile Information Service software, mainly used to help people better in the work of communication and communication. This article comes from Cotapcto's share of the story of Cotap Entrepreneurship and the role Amazon EC2 plays in its entrepreneurial process. I have been working with the company's co-founder, Mr. Patterson, for many years to solve this problem, and we are very excited about the new opportunities that mobile devices bring to us ...

"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 ...

"Editor's note" Shopify is a provider of online shop solutions company, the number of shops currently serving more than 100,000 (Tesla is also its users). The main frame of the website is Ruby on rails,1700 kernel and 6TB RAM, which can respond to 8,000 user requests per second. In order to expand and manage the business more easily, Shopify began to use Docker and CoreOS technology, Shopify software engineer Graeme Johnson will write a series of articles to share their experience, this article is the department ...

"8" has not been the Beijing Xizhimen overpass design, often criticized. Objectively speaking, for an overpass, can extend in all directions, it is basically complete the task. The main reason for the criticisms is that the route is too complicated. Of course, from the designer's point of view, they need to take a holistic view of constraints from all sides. But considering the world's overpass everywhere, each has its own difficulties, however, such as the xizhimen overpass so confusing, it is rare. Therefore, for Xizhimen overpass designers, the difficulty is objective, but the improvement of the total space ...

"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 ...

Absrtact: 7 years ago, one of the ideas, the success of today's popular social network and microblogging service--twitter. Twitter now has more than 200 million monthly active subscribers, and about 500 million tweets are sent every day. 　　Behind all this is the support of a large number of open source projects. Twitter, known as the "Internet SMS Service", allows users to post no more than 140 tweets, the idea from Twitter's co-founder, Jack Dorsey, which was dubbed "the dumbest Ever" by analysts 7 years ago ...

PaaS (Platform as a service) is a business model that provides the computing environment, development environment and other platforms as a service. Cloud computing service providers can provide users with platform-level products such as operating systems, application development environments, and services through the Web. PAAs is a pattern between IaaS and SaaS. PAAs changes the traditional application delivery model, promotes the further specialization of division of labor, decoupling the development team and the operational team, will greatly improve the efficiency of future software delivery. The following article to take a look at the foreign PAAs platform and the domestic PAAs platform ...