Linux errors: toomanyopenfiles

This problem occurs because system restricts the number of files opened by the program. You can see from the ulimit-a command that the reason for the openfiles problem is the system limit on the number of files opened by the program.
Use the ulimit-a command to view
Html
-------------------------------------------------------------
After the above settings, log out of shell and log on again, but it still does not take effect.
Add a ulimit-SHn 51200 row under // etc/profile (note that there is a setting for ulimit)
Add a ulimit-SHn 51200 line under rc. local (I don't know if this line is necessary, but I haven't added it yet)
See: http://baike.baidu.com/view/4832100.htm
Ulimit-S-c 0>/dev/null 2> & 1
This statement sets the software resources and core file size.