Tag：business
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App going to sea — an all-round view of Google settlement system
Image source:https://unsplash.com/photos/r… Author:zoulp In recent years, China’s mobile applications have enjoyed a good momentum of going to sea. For those involvedTrading businessGoogle in app payment is an essential payment channel for sea apps. Different from the relatively perfect mobile payment system in China, even if the official documents basically describe how to access Google App […]
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Modify user information changeinfo
When judging the persistence layer: Problem: there is such a problem when modifying user information. For example: the user’s email is not required. It was not empty originally. At this time, the user deletes the mailbox information and submits it. At this time, if it is not empty to judge whether it needs to be […]
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Senior architects talk about the rise of DDD, solving problems and implementation steps
Foreword- Why can DDD catch fire? Let’s not discuss the definition of DDD, but sort out the background of the popularity of DDD. According to the routine I learned, it is always why first, then what problems to solve, what things to use, and finally how to use. We all know that in recent years, […]
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High availability architecture Chapter 17 high availability design: three high availability design architecture schemes
I learned the replication and optimization of MySQL database and the read-write separation scheme of business layer based on replication technology. These contents are to pave the way for the high availability architecture design of MySQL database. Because replication is the basis of high availability, but it is not enough to only replicate synchronous data. […]
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Uncover the core technology of a large factory’s approval process engine for enterprise digital transformation
1. Definitions On the road of enterprise digital transformation, an essential item is the online approval process. We all need to build our own approval system, and the core of the approval system is the approval process engine What is an approval process engine? It is a toolkit used to drive the execution of approval […]
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. net AOP micro framework release — cleanaop
Cleanaop – Introduction Author: Li di (Owen) Email: jarvin_ [email protected] Microblog: site J Introduction: AOPIt is the abbreviation of aspect oriented programming. Aspect oriented programming. Divide the logging, performance statistics, security control, transaction processing, exception handling and other codes from the business logic code, separate these behaviors into the methods that do not guide the […]
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Microservice splitting
Pain points of monomer architecture The number of database connections has become the bottleneck of application server expansionDatabase connection is an important kind of resources. The connection process is not only time-consuming, but also the number of clients is limited. The monomer architecture increases the cost of R & D and inhibits the improvement of […]
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Remember an online MySQL deadlock
problem: yesterday, an error was reported on the line, which made a function unable to execute. Looking up the log found that it was a MySQL deadlock problem. Analyze problems: in fact, the biggest difficulty in solving the problem is to analyze the problem and find out where the problem occurs. This process takes the […]
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Some experience of building high concurrency system
Some experience summary on how to build high concurrency system is for reference only. Welcome to exchange. preface infrastructure database framework application standard summary preface It has been a while since I left hungry. During the period of hungry, I began to take over the development and maintenance of Waybill system in 2017, from the […]
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Thinking and practice behind Alibaba’s Trinity strategy of service grid technology
Introduction:This article shares the thoughts and practices behind Alibaba’s Trinity strategy of service grid technology. About some product functions of Alibaba cloud service grid ASM, including some recently released functions, you are welcome to click below for details Authors: Zong Quan, Yu Zeng Alibaba Trinity strategy Alibaba cloud has long put forward the Trinity strategy […]
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Huawei cloud computing ie interview notes – Introduction to the functions of Huawei cloud migration tool rainbow. What virtualization platforms and operating systems are supported for migration? What business migration methods are supported? What checks should be made for the OS before windows online migration and Linux online migration?
1. Function introduction: Rainbow migration tool is a migration tool developed by Huawei based on the operating system level. It provides the function of migrating the host (x86 architecture server) system and data or business systems of other virtualization platforms to the virtual machine of Huawei fusionsphere virtualization platform (fusioncompute, fusioncloud, fusioncube) completely and online […]
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Call technology: the evolution of real-time data warehouse based on Flink + hologres
Introduction: This article will describe how to build a real-time data warehouse accelerated by unified data service based on Flink + hologres Author: Chen Jianxin, call technology data warehouse development engineer, currently focuses on the integration of offline and real-time architecture of call technology big data platform. Shenzhen call Technology Co., Ltd. (hereinafter referred to […]