mysqldump Too many open files
When runing the mysqldump command there's a possibility that you will receive the error message:
mysqldump: Couldn't execute 'show create table `table`': Out of resources when opening file './database/table.MYD' (Errcode: 24 "Too many open files") (23)
There are several possibilities as to why this error is occuring. Before changing the number of open files allowed, you can try using the --single-transaction command line option.