在研究 workerman 時, 報了這個錯誤, 感覺只是個notice級別的, 就一直給忽略掉了, 今天有時間, 就查了一下.

其實本質就是 ulimit 這個命令

打開一個命令行, 輸入 ulimit -a

可以查看到, 當前系統所有的限制

[root@butterfly ~]# 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) 3858
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) 3858
virtual memory (kbytes, -v) unlimited
file locks (-x) unlimited

默認 open files 是 1024?

打開這個文件?/etc/security/limits.conf?

添加如下兩行?

* soft nofile 99999
* hard nofile 99999

重啟一下系統,

再輸入 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) 30690
max locked memory (kbytes, -l) 64
max memory size (kbytes, -m) unlimited
open files (-n) 99999
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) 30690
virtual memory (kbytes, -v) unlimited
file locks (-x) unlimited

就ok了

點擊查看關于此命令詳細介紹?

轉載于:https://www.cnblogs.com/debmzhang/p/4262562.html

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