vi /etc/sysctl.conf
#mem parameter anpassen
#semaphoren anpassen
#https://docs.oracle.com/cd/E63000_01/EMBSC/E63676-01.pdf
kernel.shmmax = 4294967295
kernel.shmall = 4294967295
kernel.sem = 10000 2560000 100 256
fs.file-max = 6815744
net.ipv4.ip_local_port_range = 9000 65500
net.core.rmem_default = 4194304
net.core.wmem_default = 262144
net.core.rmem_max = 4194304
net.core.wmem_max = 1048576
fs.aio-max-nr = 3145728
# Keepalive
net.ipv4.tcp_keepalive_time=300
net.ipv4.tcp_keepalive_intvl = 5
net.ipv4.tcp_keepalive_probes = 10
vi /etc/security/limits.conf
root soft nproc 1550283
root hard nproc 1550283
root soft nofile 65536
root hard nofile 65536
grid soft nproc 16384
grid hard nproc 65536
grid soft nofile 8192
grid hard nofile 65536
grid soft stack 10240
grid hard stack 32768
oracle soft nproc 16384
oracle hard nproc 65536
oracle soft nofile 4096
oracle hard nofile 65536
oracle soft stack 10240
oracle hard stack 32768
cloud13 soft nproc 16384
cloud13 hard nproc 65536
cloud13 soft nofile 4096
cloud13 hard nofile 65536
cloud13 soft stack 10240
cloud13 hard stack 32768
#Oracle Owner Management Agent
oraoma soft nproc 16384
oraoma hard nproc 65536
oraoma soft nofile 4096
oraoma hard nofile 65536
oraoma soft stack 10240
oraoma hard stack 32768
ora4dba 