Why thread pools?
Many server applications, such as Web servers, database servers, file servers, or mail servers, are oriented around processing a large number of short tasks that arrive from some remote source. A request arrives at the server in some manner, which might be through a network protocol (such as HTTP, FTP, or POP), through a JMS queue, or perhaps by polling a database. Regardless of how the request arrives, it is often the case in server applications that the processing of each individual task is short-lived and the number of requests is large.Many server applications, s
