默认打开最大文件是1024
[root@kaka-gamess-nginx-6 ~]# 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) 31128
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) 31128
virtual memory (kbytes, -v) unlimited
file locks (-x) unlimited
命令行执行:
[root@kaka-gamess-nginx-6 ~]# ulimit -HSn 65536
永久生效，修改配置文件
[root@kaka-gamess-nginx-6 ~]# echo -ne " * soft nofile 65536* hard nofile 65536" >>/etc/security/limits.conf
[root@kaka-gamess-nginx-6 ~]# 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) 31128
max locked memory (kbytes, -l) 64
max memory size (kbytes, -m) unlimited
open files (-n) 65536
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) 31128
virtual memory (kbytes, -v) unlimited
file locks (-x) unlimited
