Operating Systems

Redhat Linux kernel parameters for Oracle 10g R2

Some non-default kernel parameters are required when running Oracle 10g R2 on Redhat Linux R4 Enterprise Server. As root, vi the file /etc/sysctl.conf and append to the file:

# For Oracle
kernel.sem=250 32000 100 128
kernel.shmmax=2147483648
net.ipv4.ip_local_port_range=1024 65000
net.core.rmem_default=262144
net.core.rmem_max=262144
net.core.wmem_default=262144
net.core.wmem_max=262144

You can reboot to pick up the changes. Alternatively to pick up the changes without having to reboot do a sysctl -p. You can list the current kernel parameters by doing a sysctl -a.