Rails And Apache

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 ...

"4" Flood fighting needs isolation if you say how to use cache is a big aspect of Twitter, then another big thing is its message queue. Why use Message Queuing? [14] The explanation is "isolate user requests and related operations so that the peak flow (move operations out of the synchronous request cycle, amortize load over time)". In order to understand this paragraph ...

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 ...

Fortinet's Fortiguard threat Research and Response Lab (Fortiguard Labs) released the latest security threat reports, including a security threat trend for the first half of 2013, and recommended that a timely patch be necessary to avoid an attack. The grey software for mobile devices has been observed in the Fortiguard labs that over the past 6 months, the number of gray software for mobile phones has increased by 30%. Now see more than 1300 new samples per day and are currently tracking more than 300 Android grey soft ...

In 2001, I faced a choice to learn PHP or asp.net. 　　I finally picked the latter, but I still doubt that the choice is really bad. 　　It was 2001, and I faced a choice. Imagine if you could go back to the past and rewrite your technical career. What important moments will you want to change? In 2001, I worked as a joint partner with a successful web consulting firm to deal with the Classic ASP. At the time, these things were great. We are a Microsoft products distributor, ...

"3" cache = = Cash Cache = = Cash, cache equals cash income. Although this is a bit exaggerated, the correct use of caching for the construction of large Web sites is a vital event. The response speed of a website in response to a user request is a major factor affecting the user experience. There are many reasons to affect speed, one of the important reasons is the hard disk read/write (disk IO). Table 1 compares memory (RAM), HDD (disk), and new Flash (Flash), speed in reading and writing ...

"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 ...

Wind Letter Net (ithov.com) original article: This chapter mainly introduces Nginx configuration management and use. As a lightweight HTTP server, Nginx has the following advantages over Apache: In performance, it takes up very little system resources, supports more concurrent connections, and achieves higher access efficiency: In functionality, Nginx is a good proxy server and load-balancing server: On the installation configuration, Nginx installation is simple, flexible configuration. The following is a detailed description of the configuration and use of Nginx. What is Nginx believe a lot ...

"6" Traffic flood peak and cloud computing an article on a text message from published to read, the Twitter business logic has gone through the 6 steps. On the surface it seems to be boring, but chew it carefully, and each step unfolds, there is a story. The American rugby final, nicknamed the Super Bowl (Bowl). Super Bowl in the United States, the equivalent of China's CCTV Spring Festival party. February 3, 2008, Sunday, the year Super Bowl held as scheduled. New York Giants (Giants), against Boston ...

With the development of cloud computing technology, PAAs (platform service) is becoming more and more popular with developers, and PAAs suppliers are springing up. PAAs actually refers to the platform of Software development as a service and provides to the user. The user or enterprise can quickly develop the applications and products they need based on the PAAs platform. At the same time, the application of PAAs platform development can better build enterprise application based on SOA architecture. PAAs as a complete development service, providing from development tools, middleware, to database software developers to build applications ...