Differences between mysql_connect localhost and 127.0.0.1 (Network Layer description ),
Connects. phpCopy codeThe Code is as follows:Mysql_connect ('2017. 0.0.1 ', 'root', 'zzzizzz1 ');Mysql_connect ('localhost', 'root', 'zzzizzz1 ');
Use strace to
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Talk to everyone. Seven-layer traffic access middleware.
1. Introduction and architecture of access system
1.1 Go Reverse Proxy
A custom-made reverse proxy is
: This article mainly introduces the Nginx + PHP-FPM optimization skills summary, for PHP tutorials interested in students can refer.
1. Socket communication in Unix domainBefore a brief introduction of Unix Domain Socket communication
This article mainly introduces the nginx+php-fpm of the optimization skills, has a certain reference value, now share to everyone, the need for friends can refer to
Summary of NGINX+PHP-FPM optimization techniques
here is a piece of article
We have already mentioned in the previous article that the JDK Jstack is the Dynamic Attach mechanism used. The following is a description of the mechanism in the official documentation,
This was a Sun private mechanism that allows an
UNIX Domain Socket IPCThe socket API was originally designed for network communication, but later developed an IPC mechanism on the socket's framework, UNIX Domain socket. Although the network socket can also be used for interprocess communication
We have already mentioned in the previous article that the JDK Jstack is the Dynamic Attach mechanism used. The following is a description of the mechanism in the official documentation,
This was a Sun private mechanism that allows an
Differences between mysql_connect localhost and 127.0.0.1 (Network Layer description)
This article mainly introduces the differences between mysql_connect localhost and 127.0.0.1 (Network Layer). This article explains their differences from the
1. Domain Sockets:(1) can only be used for communication between different processes on the same device;(2) efficiency is higher than network sockets. A domain socket is simply a copy of the data and does not go through the protocol stack;(3)
On the networking side, the most basic is BSD socket programming, but often when Perl is getting started in this area, the biggest headache is undoubtedly how to start, how to step by step. The best remedy is example, a complete code that can be run
Because of the recent project to use the database connection pool, so today simple chat ~,This topic is caused because I wrote the MySQL database part of a question, the general background processing data part, the server is to create a connection
Official FastCGI efficiency Configuration
Http://redmine.lighttpd.net/wiki/1/Docs:PerformanceFastCGI
FastCGI is faster than CGI, mainly because the CGI service process has been providing services and does not want CGI to start and end a CGI
1. the UNIX tradition of the I/O buffer of the C standard library is everything is a file, the keyboard, display, serial port, disk, and other devices have a special device file in the/dev directory, these device files can be opened, read, written,
Client Authentication is performed by a configuration file (usually namedPg_mirror.confIt is stored in the data directory of the Database Cluster. HbA indicates "host-based authentication", that is, host-based authentication. InInitdbWhen
Two Methods for connecting to the MySQL database
To connect to MySQL, the connection process communicates with the MySQL database instance. From the perspective of development, Process Communication is essentially a process communication. Common
UDP and TCPUDP (User Datagram Protocol, Subscriber Datagram Protocol) is a no-connection protocol that does not guarantee that the UDP datagram will reach its final destination, does not guarantee that the order of the datagrams remains unchanged
Differences between mysql_connectlocalhost and 127.0.0.1 (network layer description ). Differences between mysql_connectlocalhost and 127.0.0.1 (network layer description) This article mainly introduces the differences between mysql_connectlocalhost
This article mainly introduces the differences between mysql_connectlocalhost and 127.0.0.1 (network layer). This article explains their differences from the network communication layer. For more information, see
Connects. php
The code is as follows:
17.1 Introduction
* Two Types of advanced IPC: streams-based pipelines and Unix domain sockets can transfer open file descriptors between processes. Service processes can associate their open file descriptors with specified names. Customer
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