SQL> startup
ORA-27102: out of memory
Linux-x86_64 Error: 28: No space left on device
Additional information: 2097152

[oracle@kingdee-test ~]$ cat /etc/redhat-release
CentOS release 6.9 (Final)
[oracle@kingdee-test ~]$ uname -a
Linux kingdee-test 2.6.32-696.el6.x86_64 #1 SMP Tue Mar 21 19:29:05 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux

Memory usage.

$ free -m
total used free shared buffers cached
Mem: 15866 337 15529 0 15 130
-/+ buffers/cache: 191 15675
Swap: 7999 0 7999

Solution:

vi/etc/sysctl.conf max kernel.shmall kernel.shmmax

kernel.shmall = 5368709120
kernel.shmmax = 12884901888

# sysctl -p

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