linux 系统报错: Resource temporarily unavailable
原因:进程或打开文件太多,超过的默认值
打开进程最大数:
$ 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) 1032042
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) 1024
virtual memory (kbytes, -v) unlimited
file locks (-x) unlimited
max user processes (-u) 1024 最大进程数
使用 ulimit -u 数量 来设置。
或使用ROOT用户修改:
/etc/security/limits.d/90-nproc.conf
* soft nproc 1024
root soft nproc unlimited
增加一行:如:
用户名 soft nproc 4096