Cache Varnish

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Anatomy Twitter "3" Cache = = Cash

"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 ...

Structural design analysis of anatomical twitter:twitter system

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 ...

Image server architecture evolution

Now almost any application, such as a website, a web app and a mobile app, needs a picture display function, which is very important for the picture function from the bottom up. Must have a forward-looking planning picture server, picture upload and download speed is of crucial importance, of course, this is not to say that it is to engage in a very NB architecture, at least with some scalability and stability. Although all kinds of architecture design, I am here to talk about some of my personal ideas. For the picture server IO is undoubtedly the most serious resource consumption, for web applications need to picture service ...

A case study of a large web site master building a large web site architecture

This article mainly based on the theory, we suggest that you read the relevant reading, is about foreign large photo sharing site Flickr http://www.aliyun.com/zixun/aggregation/11116.html "> Website Architecture Program Research,   Very practical and useful. Learning and mastering the construction of large Web sites, the need to collect scattered articles, comb the fragmented content. It is meaningful to do the work well, but it is also more difficult. Our experience is, may wish to seize the following several topics, one by two ...

Website Analysis: 5,173 first-page front-end performance optimization practice

The intermediary transaction SEO diagnoses Taobao guest cloud host technology Hall from the plan, to the front and rear end of the development, finally to the test and on-line, lasted 4 months, 5,173 first page front-end performance optimization project finally smoothly on-line, and achieved the expected performance optimization goal. This project is not a revision, but the original home page design and function unchanged, only to do refactoring and optimization.   Although the project is called the front-end performance optimization, but it is not only the front-end unilateral work, to complete the optimization well, it requires the full complement of the front and back. Historical background ...

My view on the architecture design of platform website

The intermediary transaction SEO diagnoses Taobao guest cloud host technology Hall from the architect's point of view, architecture is a set of guidelines for building systems. With this set of guidelines, we can divide a complex system into a set of simpler subsystems that should remain independent and consistent with the entire system.   And each subsystem can continue to subdivide, thus forming a complex enterprise-class architecture. A choice of technical solutions and physical structure of how to choose technical solutions and physical structure, for many of the new Contact platform Web site developed ...

Facebook's system architecture

Based on my current readings and conversations, I understand today's http://www.aliyun.com/zixun/aggregation/1560.html"> The structure of Facebook is as follows: The web front end is written by PHP. Facebook's HipHop will Converting PHP to C ++ and compiling with g ++ will provide high performance for templates and Weblog business layers ... Business logic exists as Service ...

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