Top 25 most popular articles on vivo Internet technology in 2021

Time goes by , How time flies , In a moment 2021 The year has come to an end . Past year ,vivo Internet technology has pushed 107 An article , It's about servers 、 front end 、 Database and other technologies .

Today, Xiaobian will take you to review 2021 Our most popular 25 An article （ Filter based on reading and likes ）.

1

《MongoDB In commenting on practice in Taiwan 》

With the development of the company's business and the increase of the user scale , Many projects are building their own comment function , And the business form of reviews is basically similar . At that time, each project was designed and implemented by itself , There's a lot of repetitive work ; And there are islands of data between different services , It's hard to connect . So we decided to build a company level review business center , Provide fast access capability of comment service for all business parties . This paper mainly describes vivo Comment on the technical exploration and practice of database design in China .

2

《 Detailed explanation Apache Dubbo Of SPI Implementation mechanism 》

The main analysis of this paper Dubbo Chinese vs SPI Mechanism implementation mode and related principles , Take the core class ExtensionLoader To analyze the implementation details , And show and summarize the process details of using extension classes in each use scenario .

3

《 Cross platform scheme of rich text and editor 》

This article will introduce the value of cross platform around rich text cross platform and editor cross platform , And how to achieve cross platform . Introduce and share some schemes , I hope it can bring some help to small partners with cross platform requirements of rich text editor .

4

《 How design patterns improve vivo Marketing automation business scalability | Engine 01》

The marketing business itself is very complex and changeable , Especially with the vigorous development trend of digital marketing , At different times in the market 、 Different stages of the company's development 、 For different user groups and continuous effect , Will produce different marketing strategy decisions . This paper analyzes in detail how design patterns and related applications help marketing automation business improve system scalability , And the thinking and summary in the process of practice .

5

《 Take you in MySQL New high availability solution -MGR》

MGR( Full name MySQL Group Replication 【MySQL Group replication 】) yes Oracle MySQL On 2016 year 12 Published in MySQL 5.7.17 Launched a new high availability and high expansion solution . This paper mainly introduces MySQL Group Replication( Group replication ) The basic principle of technology, the history of technology evolution and the new features of installation experience .

6

《 In depth analysis of Spring WebFlux》

WebFlux It's an asynchronous non blocking web frame . Inside with Reactor Library Based , It can improve system throughput without expanding hardware resources . Apply to IO Intensive service .

7

《 How to make Caffeine Cache Smooth as silk 》

User oriented back-end services such as recommendation systems usually require multi-level caching schemes , Via local - Distributed cache - Cache acceleration in database mode . and Caffeine Cache It is based on JAVA8 High performance local cache component of , Because of its more effective elimination algorithm and good usability , Has been Spring Boot 2.0 Subsequent versions integrate and replace Google Guava Cache. This article starts from the most commonly used get Method entrance , Combine source code , The enumerator uses Caffeine Cache All kinds of pits and thoughts encountered in the process , As a pit closing guide, I'll share it with you .

8

《 On Redis client Lettuce： It's delicious 》

Jedis It is commonly used in the industry Redis JAVA client . and Lettuce It's based on Netty Implementation of the asynchronous client , Not only gradually covered Jedis Various functions of , Still reliable 、 Ease of use 、 Extensibility 、 Maintainability and other aspects have made great progress . Due to the needs of the project , In some scenarios, switch to Lettuce Development , And I hope it's similar Jedis pipeline It can also improve the performance of batch query . In the face of Lettuce After learning and stepping on the pit , The author will be encountered in the process of a variety of key points summed up in the article to share with you .

9

《 High concurrency scenarios JVM The road of Optimization Practice 》

JVM Tuning is one of the important means of system performance optimization , It is also one of the technology deposits that back-end engineers like to talk about , There is already a wealth of information on the Internet , But most of them prefer theory , And there is no step-by-step detail . This article focuses on practice , A step-by-step introduction to a core online service JVM Tuning the landing process , Hope to provide readers with JVM The idea and reference of tuning 、 A touchable solution .

10

《 In depth analysis of consensus algorithm Raft》

Distributed consistency (distributed consensus) It's the most fundamental problem in distributed systems , To ensure the reliability and fault tolerance of a distributed system .Raft Before appearance ,Paxos It has always been the standard of distributed consistency algorithms .Paxos Difficult to understand , More difficult to achieve .Raft The goal of our design is to simplify Paxos, It makes the algorithm easy to understand , It's also easy to achieve .

TOP 11-25

In depth understanding of Netty- From the occasional downtime Netty flow control

Netty Is a high-performance network IO frame , This paper combines the real case of online long connection , In depth narration Netty The flow control principle and the ideas and steps to solve the problem .

Hystrix Practical experience sharing

Hystrix yes Netlifx Open source fault tolerance framework , An avalanche proof weapon , With service degradation , Service failure , Rely on isolation , monitor (Hystrix Dashboard) And so on . This article from the author's personal development perspective , Summarize and share Hystrix Using experience of , I hope you can get something .

Redis The past and present of the threading model ** raw  **

Redis Why should the threading model be designed like this , What are the advantages and disadvantages , What ideas can be used for reference … This article from the network IO The history of 、Reactor The history of the model 、 To Redis The thread model is designed from simple to deep , Come slowly .

Source code interpretation Dubbo Layered design idea

Dubbo It is an excellent distributed service framework , It is widely used in China ,2018 Officially became apache Top projects . Reading this article, you will learn that Dubbo Overall layered design of , The meaning of each layer , as well as Dubbo Initialization process and RPC Call the process , The domain model involved in this process Protocol、Invoker、Exporter、Invocation、Result、URL etc. . The feature of this paper is to introduce the practical significance of each layer in detail combined with the source code .

Kafka Trillions of news actual combat

This article mainly summarizes when Kafka Cluster traffic reaches Trillions of records / Days or billions of records / God   Even higher , What capabilities do we need to have to ensure the high availability of the cluster 、 Highly reliable 、 High performance 、 High throughput 、 Safe operation . The summary here is mainly aimed at Kafka2.1.1 edition .

Is the posture of your sub library and sub table right ？— Detailed discussion on horizontal sub database and sub table

With the storage volume of the back-end database and the user's access traffic increasing , We have to be right OLTP The database is divided into databases and tables , So it is very important to select a horizontal database and table scheme . This paper introduces in detail some common misunderstandings in the horizontal sub database and sub table , And some common techniques , To help identify possible problems 、 Little detours .

At a billion levels of flow , I and Redis Battle history of small spike

This article records an online service , Solution flow of slow interface alarm , Including the emergency plan for online problems 、 Thinking of analyzing problems , Mainly focused on Redis Analysis and solutions when response is slow , Through the summary of the problem-solving process , I hope I can give you some reference .

vivo Global mall ： Design and practice of coupon system architecture

Coupons are a common marketing means of e-commerce , It has the characteristics of flexibility , It can be used as the carrier of promotional activities , It is also an important drainage inlet . This paper mainly introduces vivo The development history of the coupon business of the mall 、 Architecture design ideas and practices for dealing with various business scenarios .

Redis Performance Optimization Practice of large cluster capacity expansion

In the current network environment , Some uses Redis The business of the cluster increases with the increase of business volume , Node capacity expansion is often required . This paper introduces a large-scale Redis Performance problems encountered in cluster capacity expansion , Troubleshooting and optimization process .

Dubbo Encoding and decoding things

Dubbo As Java Linguistic RPC frame , One of the advantages is that the call details are masked , The ability to call remote services as if they were local methods . This paper is based on practical problems , carding dubbo Codec link , as well as Hessian2 The serialization logic of the framework . Help to improve the understanding of Dubbo Frame learning 、 Use and troubleshooting .

Java The practice of multithreading context passing in complex scenarios

Overseas mall starts from India , Slowly, there will be demands from other countries , At this time, we need to make a transformation for the current mall , It can support shopping malls in many countries , There are a number of issues involved here , Multilingual , Many countries , Multi temporal region , Localization and so on . This article describes vivo In the development process of overseas shopping malls, in order to adapt to the shopping mall system development of many countries , How to pass on the identified national information in the system , And solve multithreading , Problems in various scenarios such as scheduled tasks .

The depth resolution Lucene How to implement lightweight full-text indexing

Lucene Is an open source full text search engine toolkit , Provides a complete query engine and index engine , Some language text analysis engines . This paper introduces Lucene Relevant experience , The content covers the generation of indexes 、 Management and search functions, etc. and myself in lightweight data search , The depth resolution Lucene How to implement full-text indexing .

In depth analysis of RocketMQ Source code - Message storage module

Message queue is an asynchronous communication mode between services , It is widely used in the decoupling of microservice architecture design 、 asynchronous 、 Peak shaving and other scenes . Messages are stored on the queue until they are processed and deleted .RocketMQ yes 2012 Alibaba's open source third-generation distributed messaging middleware , This article mainly talks about... From the perspective of source code RocketMQ How the enclosure is designed .

Design and practice of 100 million level user center

User center is the most basic core system of the Internet , As business and users grow , It's bound to bring constant challenges . How to ensure the high availability of the system in the case of a hundred million , High performance and high security , This article can give you a set of practical plan .

vivo Construction and practice of unified alarm platform

In the context of unified monitoring services , The sinking of alarm convergence capability becomes inevitable , During platform construction , How to solve the pain points of previous services , Fully release the universal capability of unified alarm service , It requires in-depth analysis in order to better extract common capabilities . This paper focuses on alarm convergence , Go deep layer by layer , This paper introduces the construction and practice of unified alarm platform .

2021 year , We still maintain an open and free mind , Output more original technical content , Strengthen the article in technical depth 、 The precipitation of practical experience , I hope to communicate with you 、 Compare notes .