# Edit all Node
[root@ swhygzhoudb01 etc]# vi sysctl.conf
fs.aio-max-nr=1048576
fs.file-max=6815744
kernel.shmall=2097152
kernel.shmmax=1073741824
kernel.shmmni=4096
kernel.sem=250 32000 100 128
net.ipv4.ip_local_port_range=9000 65500
net.core.rmem_default=262144
net.core.rmem_max=4194304
net.core.wmem_default=262144
net.core.wmem_max=1048576
fs.aio-max-nr=1048576
fs.file-max=6815744
kernel.shmall=2097152
kernel.shmmax=1073741824
kernel.shmmni=4096
kernel.sem=250 32000 100 128
net.ipv4.ip_local_port_range=9000 65500
net.core.rmem_default=262144
net.core.rmem_max=4194304
net.core.wmem_default=262144
net.core.wmem_max=1048576
3.2:
[root@ swhygzhoudb01 etc]# sysctl -p
[root@ swhygzhoudb01 etc]# sysctl -p
3.3:
[root@ swhygzhoudb01 etc]# vi /etc/security/limits.conf
grid soft nproc 2047
grid hard nproc 32768
grid soft nofile 1024
grid hard nofile 250000
[root@ swhygzhoudb01 etc]# vi /etc/security/limits.conf
grid soft nproc 2047
grid hard nproc 32768
grid soft nofile 1024
grid hard nofile 250000
oracle soft nproc 2047
oracle hard nproc 32768
oracle soft nofile 1024
oracle hard nofile 250000
oracle hard nproc 32768
oracle soft nofile 1024
oracle hard nofile 250000
3.4:
[root@ swhygzhoudb01 etc]vi /etc/pam.d/login
session required pam_limits.so
[root@ swhygzhoudb01 etc]vi /etc/pam.d/login
session required pam_limits.so