The following is transferred from: http://www.infoq.com/cn/news/2015/01/memcached-store-session-------------------------Split Line-----------------------------------------------Memcached Creator Dormando wrote two articles early on, warning
Session is a global variable that can be used to run across pages and only on the server. It is used for data security verification, the following is an example of using redis to store session instances in php. If you are interested, please refer to
A website accessed by an IP address cannot store SESSION variables. this is the first strange problem. Check the code first. the PHP page code for testing is as follows: PHPcode & lt ;? Phpsession_start (); if (isset ($ _ SESSION [& quot; Count &
Php uses memcache to store session data loss. first test the code. you can also test index. php & lt ;? Phpsession_start (); $ method & nbsp; = & nbsp; $ _ GET ['method']; if (isset ($ _ SESSION ['Me php uses memcache to store session data loss
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 general, we like to use Session to store our variables. Asp. Net provides the following methods to store Session values:
InProc
State Server
SQL Server
"InProc" indicates that we store the Session value in the same way as traditional ASP, and
The definition of both:When you are browsing the website, the Web server will send a small piece of information on your computer, and the Cookie will help you to make the text or some choices on the website.are recorded. The next time you visit the
Example of using mysql database to store session in php
Create table 'DB _ session '(
'Sskey' char (32) not null,
'Expiry' int (11) unsigned not null,
'Value' text not null,
Primary key ('sskey ')
)
Set session with Memcache to storeMethod I: Global settings in php.iniSession.save_handler = MemcacheSession.save_path = "tcp://127.0.0.1:11211"Method II: In a directory. htaccessPhp_value Session.save_handler "Memcache"Php_value Session.save_path
PHP uses the file storage session by default, which is very inefficient if the concurrency is large. Redis's support for high concurrency is very good, so you can store the session using Redis alternative files.Here, we introduce the function of PHP
PHP uses Memcache to store sessionCategory: PHP time: March 30, 2015Many times a complete system may run on multiple servers, if the server needs to share the session, then the default PHP files to save the session is powerless. At this point we can
PHP uses the mysql database to store session code. Risk 1: if the cookie on the client machine fails due to a virus, the session will be lost. Hazard 2: session is stored in a file by default in php. Hazard 1: if the cookie on the client machine
Tomcat uses Redis to store Session and tomcatredis
Tomcat Redis Session Github address.
Download the commons-pool2-2.2.jar, jedis-2.5.2.jar, tomcat-redis-session-manager-2.0.0.jar these three packages, put it under the tomcat directory lib
In general, we like to use Session to store our variables. Asp. Net provides the following methods to store Session values:InProcState ServerSQL Server"InProc" indicates that we store the Session value in the same way as traditional ASP, and "State
Cause of the problem
Because multiple threads read and write the session file at the same time causing the thread's behavior to be denied error, in order to avoid this problem, you can add some delay, or each thread has its own copy, and
An IP access site could not store session variables for the first time to encounter such a strange problem.
Please look at the code first, the test PHP page code is as follows:
PHP Code
'; Echo ' ID: '. session_id (); $_session["
Demand:Apache Use PHP Support memcached Storage Session Information** following Apache , PHP , memcached are used Yum mode installation, if there is a special need to use the source package installation, the configuration method differs from
if the Session is stored with memcached, the user will not be able to log in or be kicked off when the memcached cluster fails (such as a memory overflow) or maintenance (such as upgrading, increasing, or reducing the server). Second, the memcached
The PHP session of the Web server is given to memcached so that you do not have a problem with which Web server the Distributor will divide the IP connection to, and the configuration method is simple, in the PHP configuration fileAdding a statement
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