Concept of Connection Pool
1) The connection pool is a process
Multiple connections are stored and managed in one process. This process saves all connections. when we open the connection, if there are unused connections available, this connection is
Use connection pool
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This course includes? Connection Pool? Use a connection pool? Manage connection
Introduction?? This article will introduce the Chang and packing unpacking mechanism, the reason is that the two together introduced, is because many articles on the internet when it comes to Chang, the wrapper class cache mechanism, Java constant
A company websiteProgramAfter a long period of operation, the speed slows down, and the speed becomes faster after the website is restarted. It is estimated that the memory and CPU resources occupied by the website program are not released in time,
Introduction?? This article will introduce the Chang and packing unpacking mechanism, the reason is that the two together introduced, is because many articles on the internet when it comes to Chang, the wrapper class cache mechanism, Java constant
Principles and usage of java Thread Pool
Multithreading is a very important technical point in both java and android development. For example, each item in listview has a download function. At this time, it is unreasonable to download a new Thread
Android thread pool to manage threads
There are many examples of thread pools on the Internet. In our actual application, for example, how to manage an application thread, we can say that we can use a thread pool to manage threads.
Eg:
Class
Java thread pool technology, java Thread Pool
1. How is the thread pool implemented?Introduction: multithreading technology mainly solves the problem of multiple threads in a processor unit. It can significantly reduce the idle time of the processor
Document directory
Role of Thread Pool
Why thread pool?
Principle of Thread Pool
Java Thread Pool
ThreadPoolExecutor
Executors
Role of Thread Pool
The thread pool is used to limit the number of execution threads in the system.
Depending on
A company's web site program after a long run, slow speed, restart the site after the speed significantly faster, estimated that the Web site program occupied by the memory and CPU resources can not be released in time, only need to restart the site
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