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Introduction to Netty 1, Composition** 1.Bootstrap Netty applications set the start of the bootstrap class, which provides a container for application network configuration 2.Channel The underlying network transmission API must provide interfaces for I/O operations, such as read, write, connection, ...

  Master-1: 192.169.7.242 Master-2: 192.169.0.197 MySQL version: mysql-5.7 1. Modification and description of MySQL configuration file Modify mysql of the two nodes respectively. Here, modify the configuration file to / etc/my.cnf Modify Master-1 as follows:   # For advice on how to change sett ...

I learned how to implement web development in java. Today I want to try to implement it in python, so I found the code on the Internet 2.1. Effect 1 (a client connects to the service and sends a message) 2.2. Effect 2 (another client connects to the service and sends a message) 2.3. Effect 3 (the servic ...

netty start process Start instance: public final class EchoServer { static final boolean SSL = System.getProperty("ssl") != null; static final int PORT = Integer.parseInt(System.getProperty("port", "8007")); public static void main(String[] args) throws Exception { // Configure ...

Introduction - overall understanding The event driven model of redis ae has a lot of chatting on the Internet. However, after you carefully read one article after another, it may be very comfortable for you to read, but for Why does the author write like this, starting point, advantages, disadvantages... Maybe it's still vague, isn't it? We ...

Process analysis With the help of TCP, the basic idea is as follows: The sender (client) sends the file name to the server, and the server saves the file name. The receiver (server) returns a message ok to the client to confirm that the file name is saved successfully. After receiving the message, the sender (client) begins to send the file da ...

In HTML, in the process of file upload, there are many cases where there is no prompt, which is very bad in the experience. Users don't know whether there is a successful upload or not, so the content introduced to you today is through HT for Web Vector to achieve HTML5 file upload progress bar, vector in< Application of embedding vector Cha ...

1. Reverse order of array public void getReverse1(int[]arr) { int start=0; int end=arr.length-1; for(int i=0;i<arr.length/2;i++) { int temp=arr[start]; arr[start]=arr[end]; arr[end]=temp; start++; end--; } } public void getReverse2(int []a ...

Recently, after studying netty and reading the blog for a few days, I plan to write a hands-on program by myself. This program is very simple: the client sends a ping, and the server will reply a pong accordingly. When the server loses the connection, it will be disconnected. The whole code is divided into two parts: client and server. The stru ...

max_allowed_packet is a setting parameter in Mysql, which is used to set the size of the accepted package. According to different situations, the default value may be 1M or 4M. For example, in the case of 4M, the size of this value is: 4 * 1024 * 1024 = 4194304 phenomenon When a prompt appears in the log, such as "Packag ...