Linux: limits the number of files opened by modifying processes

There are several methods for linux to modify the number of files opened by processes, but the effects are different. 1. modify/etc/security/limits. conf and add the following two lines * softnofile65536 * hardnofile65536. this method only applies to the current configuration and becomes invalid after the system is restarted .... There are several methods for linux to modify the number of files opened by processes, but the effects are different. 1. modify/etc/security/limits. conf and add the following two lines: * soft nofile 65536 * hard nofile 65536. this method only applies to the current configuration. after the system is restarted, it becomes invalid. 2. add ulimit-SHn 65536 to/etc/rc. local to ensure that the system will still take effect. Note: The direct ulimit-SHn 65536 will only be produced for the current user in the current session. if you exit the current logon user, it will become invalid, so it is generally useless: view the maximum number of files that can be opened by the current process: cat/proc/process ID/limits view the number of files opened by the current process in real time lsof-p PID | wc-l