grokking system design

problems that need to be further improved. In subsequent articles, we will discuss the following issues in the MySQL cluster in turn : Problems facing the top-level system: in MySQL a master multiple from the cluster, there is a service node. So when the upper business system is doing database operations (whether it is a write operation or a read operation), do you need to know these specific ser

Author: linnchord As early as the beginning of the Chinese IT industry, computer application systems mainly focus on function implementation, and there is almost no interface design concept. Today, with the continuous popularization of computers and networks, the degree of social informatization is becoming increasingly deeper, and users and markets are becoming increasingly mature ", it emphasizes "Easy to use" and "Easy to use". Therefore, whether i

; mapping Relationship partition: NBSP; A partition mapping relationship is created for each possible result of the partitioned index field, which is very large and needs to be written to the database. For example, when an application needs to know the content of a user_id 10 user's blog in that partition, it must query the database for the answer, and of course we can use caching to improve performance. NBSP; This method stores the partition correspondence of each record in detail. So e

Design IntroductionTraditional manual Office is unable to meet the needs of modern office, transceiver management system as to improve work efficiency, standardize Office system, enhance the transparency of office, realize the unified management of information and document resources, facilitate leadership decision-making, and gradually realize the paperless offic

Tags: des return top style blog http color io os ar Ylbtech-databasedesgin:ylbtech-kefuyunwei (Service operation and Maintenance inspection system)-Database design Databasename:kefuyunweiModel:admin User background Management data designType: Management softwareUrl: 1.A, Database diagram (db Diagram) back to top 1.B, database

The example of this article for you to share the Java Contact management System Graduation design for your reference, the specific content as follows Requirements: Use XML to save your data and complete a contact management system.Users must be authenticated and logged in before they can use the system.Register, add, delete, and view contact features.The design

The computer is how to carry out, in my learning computer is not very clear, but recently borrowed this "the Art of Linux kernel design" is to know what the computer from the boot to start the operating system between what exactly do.This book is not about Linux startup, it's just a step before Linux starts, which is what the computer does when you press the boot button and then goes into the

　　b/S system is more important than C/S, c/s system because of a special client, so access to the user's permission detection can be achieved through the client or through the client + server detection, and b/s, the browser is every computer has, if not to establish a complete permission detection, Then an "illegal user" is likely to be able to easily access all the functions in the B/s

The U.S. mission's log collection system is responsible for the collection of all business logs from the company and provides real-time data streams to the Hadoop platform for offline data and storm platforms. The American mission's log collection system is based on flume design and construction."Flume-based Log collection sy