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One backgroundThe following error occurred when a friend of an entrepreneur restarted MySQL service because the disk array damaged the crash machine: InnoDB: Reading tablespace information from the .ibd files... InnoDB: Restoring possible half-written data pages from the doublewrite InnoDB: buffer... InnoDB: Doing recovery ...

Included in this album: Overview and Index of I/O Stream Official Chinese Guide Series Most of the content comes from The Java™ Tutorials Official guidelines, the rest from other sources such as Translation of ifeve imooc, book Android interview book and so on.Author: @youyugePersonal blog sites: https://youyuge.cn I. What is Character Stream ...

Socket is a basic component of network programming. Sockets are basically "information channels" between programs with two endpoints. Programs may be distributed on different computers, sending information to each other through sockets. Sockets include two: server sockets and client sockets. After creating a server socket, let it wai ...

Java Network IO (BIO,NIO,AIO) 1.BIO BIO, called Block-IO, is a synchronous blocking communication mode. Stock IO is commonly referred to as BIO. It is a more traditional way of communication with simple mode and convenient use. However, the transmission processing capacity is low, communication time-consuming and depends on ...

What is SSL/TLS Network communication without using SSL/TLS is usually plaintext transmission. Network transmission content is easy to be eavesdropped or even tampered with in the transmission process, which is very insecure. The SSL/TLS protocol is designed to solve these security problems. The SSL/TLS protocol is located on top of TCP/IP prot ...

Server-side code often needs to be upgraded. For online system upgrade, the usual method is to ensure that at least one service is available through the front-end load balancing (such as nginx) to upgrade, in turn (gray level). Another more convenient way is to do hot restart in the application, upgrade the application directly and keep servin ...

Basic concepts: The SO_REUSEADDR socket option has four different functions: (1) SO_REUSEADDR allows you to start a listening server and bundle well-known ports, even though previously established ports still exist as their local ports. This condition is usually met as follows: A) Start a listening server; b) Connect to the req ...

Introduction Where to Start mysql installation Install Nginx Install php virtual environment Redis Installation and Configuration Redis installation Configure redis to use unix domain sockets Configure Redis as the back end of django session storage and caching django-websocket-redis install To configure deve ...

Combining two blog posts: 1. The original address: http://blog.csdn.net/guoleimail/article/details/41649537 2. Optimize the original address: http://blog.csdn.net/yuxiangyunei/article/details/42809543 Reference blog: 1,http://blog.csdn.net/linyongan/article/details/52189217 2,http://blog.csdn.net/linyongan/article/details/52151651 Note: ...

Process: 1 #!usr/bin/env python 2 #-*-coding:utf-8-*- 3 # Author calmyan 4 import multiprocessing,threading,time 5 6 def run(name): 7 t=threading.Thread(target=run2)#Create new threads 8 t.start() 9 print('process[%s],In printing...'%name) 10 time.sleep(1) 11 12 def run2(): 13 print(threading.get_ident())#Print t ...