In fact, the focus of this blog is not to introduce a three-tier architecture, but to focus on MVC and help understand MVC. After studying for so long, MVC finds that there are many misconceptions about it, and today it's time to sort out the MVC.MVC is Model-view-controller, which m-v-c each representative of what, I think even if I do not list everyone also know the chest. Because too familiar, as we have learned three layers of
The second article of the grid site architecture case series. Mainly explain the website Architecture analysis, website architecture optimization, business split, application cluster architecture, multilevel cache, distributed session. Five, the website structure Analysis
Based on the above estimates, there are several
The above coordinates point to the Silicon Valley, recently began to study the Internet distributed architecture, the cusp, on the tall, the special and the Geek friends share, mutual encouragement.
Internet Architecture
In recent years, the rapid development of the Internet, the big data era, booming years, we as a technical geek, need to keep pace, trends.
1 large website features
Large Web sites, whethe
Spring cloud itself provides a lot of components, but we need to follow the business model to customize the enterprise needs of the common architecture, then we need to consider what technology to use now?Below I have made the following technical summary for the spring Cloud Micro-service distributed cloud architecture, hoping to help you:View:H5, Vue.js, Spring Tag, React, AngularJsSpring boot/spring Cloud
Today formally introduced the spring cloud-enterprise distributed micro-service cloud architecture, I have combined with most of the current enterprise general requirements, including the selection of technology is more stringent, harsh, not only to use the industry's most popular technology, but also with international standards, in the next 5-10 years can not out. As the architect of the company, we should also have a vision of the world, not only t
Today formally introduced the spring cloud-enterprise distributed micro-service cloud architecture, I have combined with most of the current enterprise general requirements, including the selection of technology is more stringent, harsh, not only to use the industry's most popular technology, but also with international standards, in the next 5-10 years can not out. As the architect of the company, we should also have a vision of the world, not only t
Take advantage of the holiday, finally the "large Web site technology architecture Core Principles and Case Analysis" this book read. This book gave me a new understanding of the site architecture, the whole book is more simple and easy to understand, so that people who get started more easily understood. It introduces a lot of technical concepts. To reverse proxy and CDN and so on. I write two articles, is
This post is used to record some of the good information about the design learning on the Internet that will continue to be updated.
http://www.tech-q.cn/forum-28-1.html Web idea-Architecture design
http://www.cnblogs.com/sunli/Internet system Architecture related Blog
Http://hi.baidu.com/injava/blog Internet, search engine, system architecture, Java E
Distributed, microservices, cloud architectureJava language development, cross-platform, high-performance, high-availability, secure, service-based, modular, component-driven development modelFrom now on, I will record the process and the essence of the recently developed Springcloud micro-service cloud architecture, and help more friends who are interested in developing the Spring cloud framework, hoping to help more good scholars. Let's explore how
, such as secondary without the right to vote and priority set to 0.
Of course you can add a arbiter (arbiter) in a replica set schema, arbiter cannot hold a copy of the data, and the arbiter plays a controlling role in the replica set architecture, when replica The primary is not available in set, and it is necessary to re-elect other members as new primary. A replica set can have up to 12 members, and only 7 members can be voted on at the same
and rarely changes , such as the product's category information, popular commodity information, and so on. In this way, when the application reads the data, it goes to the cache first, such as the cache is not or invalidated, and then fetched in the database, and re-written to the cache for the next visit. Therefore, it can improve the system performance, improve the data reading speed and reduce the storage access pressure .③ Distributed Cache Architectur
In 2 b Enterprise Services, cloud computing, mobile Internet, professional cloud platform services, distributed technology for the support platform for the normal operation of key technologies. From the perspective of commercial profits and operational costs, every effort to squeeze dry the server's performance to a large extent affect the business value of the site, so the pursuit of performance, distributed architecture system is a very important co
get more votes in Primary's primary election, Arbiter does not need specialized hardware to support it. The following is the replica set schema for adding arbiter:Note: A arbiter will always be a arbiter, meaning that in a replica set schema an arbitrator will always be an arbitrator, and a primary can become a secondary, A secondary can also be a primary in a re-election. However, the arbitrator cannot change in the architecture regardless of the oc
[Architecture] System Architecture orthogonal decomposition method prefaceAs the enterprise grows, the software that supports the enterprise business will become more and more complex. When the system is complex to a certain extent, developers will find a lot of system architecture design details, it is difficult to organize, organized with a large blueprint to d
: Interface high cohesion is internally highly dependent and isolated as much as possible. That is, the method of internal declaration of an interface is related to a sub-module, and is required by this submodule.
Interface design is limited: If you fully follow the principle of interface separation, there will be a problem, that is, the design of the interface will be less and less, so that the number of interface increases, the complexity of the system increased suddenly, rather than the
search key
Many applications access new data more frequently than old data, so we want the data to be roughly sorted by time, but also evenly distributed, so that we can keep the data we are reading and writing in memory and distribute the load evenly across the cluster. For example, there is an analysis program that allows users to access data over the past one months on a regular basis, and we want to keep the data as easy to use as possible, so we can shard on {month:1,user:1}, where mo
About MySQL ArchitectureThe MySQL server is comprised of the SQL layer and the storage engine layer. SQL layer functions include permission judgment, SQL parsing and query cache processing, and the storage engine layer is the completion of the underlying database data storage operations. Such as:650) this.width=650; "Src=" Http://s1.51cto.com/wyfs02/M01/8B/D4/wKioL1haPWbDb90NAAAzcpVeDV4246.png-wh_500x0-wm_3 -wmp_4-s_3519715006.png "title=" 1.png "alt=" Wkiol1hapwbdb90naaazcpvedv4246.png-wh_50 "/
purpose of the flow queue data is to determine the data in the table where the data will be keptis insert,update and delete, and each operation generates the corresponding log information. In MySQL, if theThe storage engine that holds the transaction, the amount of this log generation is doubled. And if we go through some mature third-party queue software toThe performance of this queue data processing function will be multiplied.3. Super-Large text dataFor MySQL versions prior to 5.0.3, the VA
Starting from this article, we will enter another different topic, which is different from the previous model focused on organization, process, and method. The model described later will focus more on design. However, the shadows of processes and methods are still vague in our discussion.The Architecture Vision is a very simple model, and it takes a short time in software development. However, this does not mean that the
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