执行如下命令查看系统的所有资源限制值:
操作系统参数调整有如下两种方式,请根据自身需求选择其一进行配置:
配置参数临时生效
执行如下命令使新配置的资源限制值临时生效,重启操作系统后无效:
配置参数永久生效
执行如下命令将参数写入 /etc/security/limits.conf 文件,重启操作系统后参数永久生效:
# 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) 127952
max locked memory (kbytes, -l) 64
max memory size (kbytes, -m) unlimited
open files (-n) 1048576
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) 65535
virtual memory (kbytes, -v) unlimited
file locks (-x) unlimited
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