用ulimit -a可以查看当前系统的限制是多少
[root@****]# 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) 54652
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) 10240
cpu time (seconds, -t) unlimited
max user processes (-u) 54652
virtual memory (kbytes, -v) unlimited
file locks (-x) unlimited
具体可参考以下两篇文章
http://soft.chinabyte.com/os/285/12349285.shtml
http://blog.sina.com.cn/s/blog_5f66526e0100xl5t.html
具体根据自己需求修改。
