/etc/security/limits.conf
* hard nofile 500000
* soft nofile 500000
root hard nofile 500000
root soft nofile 500000
ulimit -a 显示以下内容
ulimit -a
core file size (blocks, -c) 0
data seg size (kbytes, -d) unlimited
scheduling priority (-e) 0
file size (blocks, -f) unlimited
pending signals (-i) 127837
max locked memory (kbytes, -l) 64
max memory size (kbytes, -m) unlimited
open files (-n) 1024
pipe size (512 bytes, -p) 8
POSIX message queues (bytes, -q) 819200
real-time priority (-r) 0
stack size (kbytes, -s) 8192
cpu time (seconds, -t) unlimited
max user processes (-u) 127837
virtual memory (kbytes, -v) unlimited
file locks (-x) unlimited
Ulimit 仍然只显示 1024
ulimit -n
1024
ulimit -Hn
1048576
ulimit -Sn
1024
如何一致地设置 ulimit？