I want to increase the
ulimit -n value,so I add
* soft nofile 20000 * hard nofile 20000
/etc/security/limits.conf file, but there is a question confuse me all the time.
what level is the value
ulimit -n mean? user level or process level?
Specifically speaking, if the value of
ulimit -n is 512, and user
testUser hava 3 process, does it means
testUser can have the total file descriptors for 512 sum up for all his 3 process, or does it means each of
testUser's process can have 512 file descriptors and thus
testUser can hava a total file descriptors amount of