number details online

Details Tomcat connection number and thread pool Objective When using Tomcat, you often encounter configuration issues such as number of connections, threads, and to really understand these concepts, you must first understand the Tomcat Connector (Connector). In the previous article in the Tomcat configuration file Server.xml wrote: Connector's main function i

Php+mysql realize the number of online Web site, the background has MySQL database support. You can directly calculate the current number of online Web site. The first is to create a MySQL database table. CREATE TABLE TableName (field type (max_length) DEFAULT ' Default_value ' (not) NULL} The SQL statement that you

PHP Example Tutorial: The number of Web site online program code, the background has MySQL database support. You can directly calculate the current number of online Web site. The first is to create a MySQL database table. The following are the referenced contents:CREATE TABLE TableName (field type (max_len

In actual performance testing, the concepts associated with the number of concurrent users that are often exposed include "concurrent users", "System users" and "simultaneous online users", with a practical example to illustrate their differences.Suppose there is an OA system with 2000 users-that is to say, the total number of users who may be using the OA system

I was asked in the forum how do I count the number of people online? I don't know what the best method is. The following is the implementation of the principle of the site, I wrote it for your reference. This is just my method, certainly not the best, but also hope that the master to correct. In fact, it is not realistic to actually count the number of concurren

Typically, when a visitor accesses a Web site, the page records the user's cookie information and the user is not on the line when the cookie expires. In this article we use PHP to record the guest IP, and record the cookie and expiration time on the client, at the same time through the Sina IP address interface, get the visitor's geographical location (in this case only record province), written in the MySQL table, you can count the total number of v

"Problem" in order to count the number of online users of QQ per second in a day, each time a user offline will generate a record to the file: There are three fields in the record (on-line time, offline time, user name), time in seconds. Now that you have a file that contains the N records generated on that day (n is very large), design an algorithm that counts the numb