1. Sharing Session IssuesHttpSession are created and managed through a servlet container, like Tomcat/jetty are stored in memory. And if we build a distributed cluster of Web servers and then use LVS or nginx for load balancing, HTTP requests from
A solution for sharing sessions among multiple Web servers. Many issues related to user Session verification are reserved during development. this issue is interesting and summarizes several solutions for your reference only. [Question proposal] in
Many of the development involved in the user's session validation is very reserved questions, the problem is more interesting, summed up a number of programs, only for reference.
[question raised]
In order to meet a large enough application to
CompleteCodeUsing PHP to back up MySQL Databases
1. mydb. php // dB class2. Backup. php // backup script3. Restore. php // restore the script
Mydb. php
Class dB {
VaR $ linkid;VaR $ sqlid;VaR $ record;
Function dB ($ host = "", $
I. Session nature
The HTTP protocol is stateless, that is, you can access a Web page 100 times consecutively and access a Web page once for no difference to the server, because it cannot remember you.
In some cases, the server must remember the
Session is a conversational technology that is based on cookies and is more secure than cookies.
1.session principle, the session will send a session ID to the client, and at the same time set up a session data area on the server, the client
Java web session simple application, Java web session
Java sessions are divided into Cookie and HttpSession.Cookie technology: session data is stored on the browser client.Session technology: Session data is stored on the server.I. The following
1. Cross-domain and cross-server solutionsThe session is divided into two main parts:One is session data, which is stored in the server's TMP file by default, and is in the form of a fileThe other is the session Id,session ID that indicates session
(i) DescriptionWhen a user navigates an ASP. NET page in a WEB application, the ASP. NET session state enables you to store and retrieve the user's values. HTTP is a stateless protocol. This means that the WEB server will process each HTTP request
(i) DescriptionWhen a user navigates an ASP. NET page in a WEB application, the ASP. NET session state enables you to store and retrieve the user's values. HTTP is a stateless protocol. This means that the WEB server will process each HTTP request
This article provides a detailed analysis of the use of memcache to store sessions in php. For more information, see memcache.
The php sessions on the web server are all sent to memcached, so that no matter which web server you allocate the ip
This article provides a detailed analysis of the usage of memcache to store sessions in php. For more information, see The php sessions on the web server to memcached, in this way, no matter which web server the distributor distributes ip
The HTTP request is stateless:The so-called HTTP is a stateless protocol, the implication is that the HTTP protocol can not save the client information, there is no way to distinguish between each request differences.Technical cookies and sessions
Ubuntu Server 11.04 installation memcache and PHP use Memcache to store session methods, 11.04memcache
This example describes the Ubuntu server 11.04 installation memcache and the way PHP uses Memcache to store the session. Share to everyone for
In a stateless environment such as a web application, understanding the concept of session state has no practical significance. However, effective State management is a required feature for most web applications. Microsoft ASP. NET and many other
The php sessions on the web server are all sent to memcached, so that no matter which web server you allocate the ip connection to by the distributor, there will be no problem. The configuration method is very simple, just in the php configuration
Ubuntu server 11.04 installs memcache and php uses memcache to store sessions. 11.04 memcache
This article describes how to install memcache on Ubuntu server 11.04 and use memcache in php to store sessions. We will share this with you for your
The difference between a session and a cookie is that the file of the cookie is stored on the client, and the session is saved in the server, in order to improve security, the session has advantages.
Because the session on the server side of the
The working principle of 1,php session.When a client (such as a browser) logs on to a Web site, the accessed PHP page can use Session_Start () to open the session, which produces the client's unique identifier (this ID can be obtained/set through
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