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In the previous article, we looked at the process of publishing a dubbo service, and this article outlined the process of analyzing dubbo service references. 1. What should service consumers do? Generate proxy objects (help us achieve communication details) Set up a communication connection (netty) Get the service provider address (subscript ...

[overview] Implement a group chat tool. The client messages participating in the chat are broadcast through the server. It mainly consists of two parts: chat server and chat client. Chat server function overview: 1. Monitor the access and disconnection of all clients 2. When client A accesses the chat room, send the access message to other clie ...

Section I. references https://www.cnblogs.com/davidwang456/articles/9294912.html https://blog.csdn.net/BigRat_WH/article/details/88640793 https://blog.csdn.net/u011577874/article/details/73000207 https://www.cnblogs.com/gjc592/p/11098047.html First of all, the source code of redis is elegant and bea ...

Flume customized elasticsearch sink source code Recently, we tried to write messages to elasticsearch through flume, but flume did not provide support for each es version, only kept support for version 0.9. It may be because the ES version changes frequently and there are big differences between different versions, so it is impossible to develo ...

This section will focus on how Dubbo uses Netty to achieve network communication. From the official website, we know that Dubbo protocol uses a single long connection for network transmission, that is to say, the service caller establishes a connection with the service provider for a long time, and all the service call information passes throug ...

Netty programming NIO programming 1. Solve the thread resource limitation 2. Low efficiency of thread switching 3. Resolve that IO read and write are in bytes Netty programming 1. Introduction to netty 2. Use of netty Netty package sticking and unpacking: 1. Sticking problem: 2. unpack Specific ...

The implementation of Reactor model can be divided into the following three types: Single thread model Single Reactor multithreading model Master slave Reactor multithreading model. Single thread model The Reactor single thread model refers to that all IO operations are completed on the same thread. The responsibilities of the thread are as f ...

In order to improve the performance, if the ChannelHandler implemented by the user contains complex business logic or may cause synchronous blocking, it is often necessary to enhance the concurrency capability through the thread pool. There are two strategies for adding the thread pool: user-defined th ...

It is a technology that requests services from remote computer programs through the network without understanding the underlying network Complete RPC network call process Service consumer: call the client stub in the local call mode; What is a client stub? Even if the remote method is in the local simu ...

Article directory Preface Experimental code Follow up source code Inheritance relationship of DelimiterBasedFrameDecoder Property of DelimiterBasedFrameDecoder Analysis of construction method decode implementation Preface This section will take a look at the decoder that Netty provides to user ...