查看:

sysctl -a  | grep shmmax

# 單位: byte

• /proc/sys/kernel/shmall                       <-- The maximum size of a shared memory segment
• /proc/sys/kernel/shmmni                     <-- The maximum number of shared memory segments (4096)
• /proc/sys/kernel/shmmax                    <-- The maximum amount of shared memory that can be allocated
                                                                    (33554432) <-- 32M
• /proc/sys/kernel/shm_rmid_forced       <-- Linux3.1 後才有, (0)

設定:

/etc/sysctl.conf

# shm setting, 128M
kernel.shmall=134217728
kernel.shmmax=134217728

sysctl -p

echo "134217728" > /proc/sys/kernel/shmmax
echo "134217728" > /proc/sys/kernel/shmall