A summary of too program open files

A summary of too program open files is a common solution for weblogic too program open files running for a period of time: 1. Cause: Why is this problem? (1) jvm reads the server and the application class (2) creates a new socket connection. (3) The application opens a new file. Www.2cto.com 2. Solution: 1. View the system's related parameters on the number of files: maxfile // The number of files opened by a single process (at least 3000) maxfile_lim // hard limit the maximum number of users that a single process opens, it will affect the maximum number of threads of other processes -- 2048 max_thread_proc. View network parameters. For unix systems, if they are in the TIME_WAIT status, wait until the end of the status. The time is controlled by the network core parameter www.2cto.com tcp_time_wait_interval. You can obtain this information through ndd-get/dev/tcp tcp_time_wait_interval. Default Value: 600 s 3. use a tool to view the number of files opened by the process (including connections) 1. lsof (lsof-p pid) 2. glance (For hpux) shortcut key F to view open files)