For Oracle Database kernel parameter and shell limit values
| Parameter | Value | File |
|---|---|---|
semmsl semmns semopm semmni | 250 32000 100 128 | /proc/sys/kernel/sem |
| shmall | Greater than or equal to the value of shmmax, in pages. | /proc/sys/kernel/shmall |
| shmmax | Half the size of physical memory in bytes See My Oracle Support Note 567506.1 for additional information about configuring shmmax. | /proc/sys/kernel/shmmax |
| shmmni | 4096 | /proc/sys/kernel/shmmni |
| panic_on_oops | 1 | /proc/sys/kernel/panic_on_oops |
| file-max | 6815744 | /proc/sys/fs/file-max |
| aio-max-nr | 1048576 Note: This value limits concurrent outstanding requests and should be set to avoid I/O subsystem failures. | /proc/sys/fs/aio-max-nr |
| ip_local_port_range | Minimum: 9000 Maximum: 65500 | /proc/sys/net/ipv4/ip_local_port_range |
| rmem_default | 262144 | /proc/sys/net/core/rmem_default |
| rmem_max | 4194304 | /proc/sys/net/core/rmem_max |
| wmem_default | 262144 | /proc/sys/net/core/wmem_default |
| wmem_max | 1048576 | /proc/sys/net/core/wmem_max |
