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database hosts. Such a segmentation method is a vertical (longitudinal) data segmentation.A good architecture design of the application system, its overall function is certainly composed of many functional modules, and each function module needs to correspond to the database is one or more tables. In architecture design
Architecture Design for rest REST (representational state Transfer) is a lightweight Web service architecture style that is significantly simpler to implement and manipulate than soap and XML-RPC, and can be implemented entirely through the HTTP protocol, Cache caching can also be used to improve responsiveness, performance, efficiency, and ease of use over the S
-driven architecture. Domain-driven model When designing domain logic, if a procedural method or activity recording mode is selected, the data-centric approach is actually adopted. The business model is designed not for the business itself, but for the data used in the business. In the long run, the data-centric approach does not well adapt to the increase in scale. Because when the complexity of the system reaches a certain limit, even new requiremen
logic layer, encapsulate the complex processing at the underlying layer, and provide users with simple interfaces. Such examples can be seen everywhere. The facade mode is often a system architecture design. In my projects, the interface of the facade mode is implemented, providing the best solution for the decoupling of complex systems. Recommended hot Stickers: Des
Message subscription and delivery are designed on the "platform-Application of plug-ins in Software Architecture Design 1.First, describe what is "Platform-Plug-in software design. As the name implies, "platform-plug-in" is to first establish a platform to provide underlying basic services. Based on this platform, in subsequent development, the platform is d
Before we took two articles, we explained in detail the nginx principle, installation and feature components. See Load Balancing Layer Design (2)--nginx installation (http://blog.csdn.net/yinwenjie/article/details/46620711) and architecture design: Load Balancing layer Design (3)-- Nginx Advanced "(http://blog.csdn.net
Label:17th. Ideas and solutions for high-availability design Objective: The database system is the core part of an application system, if the whole system availability is guaranteed, the database system can not have any problems. For an enterprise-class system, the availability of a database system is particularly important. Once a database system fails to provide services, all systems may not be able to continue to work, unlike some of the systems in
compression, or other. The final robust diagram is shown in Figure 8-13. The compression function also supports displaying the compression progress and canceling the compression at any time. Therefore, you have recognized the responsibilities of compressing the traveling interface and listener. 5. Only draw robust diagrams for key functions (Use Cases) Based on the concept that "key requirements determine the architecture", functional requirements
, you can consider the PM mode. in WPF, this mode is also called mvvm. Summary In fact, the presentation layer is no less important than the business layer and data access layer. The presentation layer without intermediate core behaviors is useless even if it is dazzling. However, without the combination of the presentation layer, even a powerful middle layer cannot meet user needs. Related blogs: . Net enterprise-level application architecture
-container, and the Request and the Response object in it are like the water flowing in the pipe, and Valve is a small opening on the tube that gives you the opportunity to get in touch with the water inside and do something extra.In order to prevent water from being drawn and not flowing into the next container, there is always a node at the end of each tube to ensure that it will flow to the next sub-container, so each container has a standardxxxvalve. As long as the link is involved in the pr
Design patterns are one of the best ways to share design ideas. Design patterns provide software architects and designers with the tools or languages they need to solve recurring problems in a systematic way to gain some experience. This series includes two sections that discuss ways to use design patterns to solve you
User Experience Design The work should not only be involved at the beginning of the project, but many experience designs should be put in front of the underlying design. This is a cyclical iteration process, but what comes before this process should be the interaction process design used by users. 1. "Some underlying logical relationships are stil
Relationship between architecture design and software design 1. Architecture Design: Architecture Design is a series of Abstract Software Architec
How to design the software architecture? Purpose of Software Architecture Design For outsourcing business projects, the purpose of software architecture design is different from that of Product Projects. Here we mainly discuss th
persistence and consistency assurance related content, thanks @lihan_harry @ Zheng Zheng @51 Leo Liu and other classmates reminders. Update2: Updated for weibo_id key optimization, using prefix compression, you can save nearly half of the space.Thanks for Wu Tingbin @drdrxp advice!Update3: Updated the optimization idea for value using two-dimensional arrays, multi-column compression coding, thanks again @ Wu Tingbin, Update4: Update the estimate of memory usage under the Redis scheme, thanks to
1. OverviewThe first two times in this article, we have been talking about the construction of Nginx + keepalived. At the beginning of this article, we are going to honor the promise of the previous article, the following two articles we will introduce the Nginx + keepalived and LVS + keepalived to build a highly available load layer system. If you do not know about Nginx and LVS, see my previous two articles, "Architecture
How to better design the software architecture is an eternal key topic in the software engineering field. Over the past few decades, the international software engineering community has made great strides in Software Architecture Design. A large number of books, articles, and documents have recorded mature experiences
Background: Mobile gaming platform Server design at present there are mainly based on the socket state connection and HTTP stateless connection two kinds of architectures. Because the mobile phone users of the network traffic sensitivity and changes in the network state than the PC environment to be complex, so for card games basic use of HTTP connection architecture. Basic principle: A server based on the
object of the operation of the instance.Fine granularity: Represents an instance-level, where an instance of a specific object (the instance of objects) needs to be considered, and, of course, fine-grained is considered a particular instance after the coarse-grained object class is considered. For example, in contract management, list, delete, need to distinguish whether the contract instance is created by the current user.5. Principles:The right logic fits the business logic. That is, the priv
MySQL performance tuning and Architecture design--9th chapter The performance optimization of MySQL database schema designPreface: Many people think that performance is optimized in the process of writing code (program code or database code), in fact, this is a very big misunderstanding. The real impact of the most performance of the part is in the design has bee
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