Hi All , Could you please shed some light.
HugePage configuration is not working , Checked the alert log file and there is no "Large Pages infomation" section
DB - 12.2.0.1 CBD-PDB (1 PDB )
OS - Red Hat Enterprise Linux Server release 7.3 (Maipo)
Below is the HugePage Configuration :
=============================
1) Physical Memory : grep MemTotal /proc/meminfo
MemTotal: 65807108 kB
2) Database Parameters - AMM disabled
a)
SQL> select value from v$parameter where name = 'memory_target';
VALUE
--------------------------------------------------------------------------------
0
b)
SQL> select value/1024 from v$parameter where name = 'sga_target';
VALUE/1024
----------
26214400
c) select value from v$parameter where name = 'use_large_pages';
only
3) Hugepagesize : grep Hugepagesize /proc/meminfo
Hugepagesize: 2048 kB
4) Change Server Configuration :
a) vi /etc/sysctl.conf
vm.nr_hugepages = 13312
grep vm.nr_hugepages /etc/sysctl.conf
b) grep oracle /etc/security/limits.conf
oracle soft nproc 131072
oracle hard nproc 131072
oracle soft nofile 131072
oracle hard nofile 131072
oracle soft core unlimited
oracle hard core unlimited
oracle soft memlock unlimited
oracle hard memlock unlimited
6) Server reboot :
7) Check Configuration :
a) ulimit -l
unlimited
b) grep Huge /proc/meminfo
$ grep Huge /proc/meminfo
AnonHugePages: 137216 kB
HugePages_Total: 13312
HugePages_Free: 510
HugePages_Rsvd: 0
HugePages_Surp: 0
Hugepagesize: 2048 kB
c) Transparent Hugepages disabled?
cat /sys/kernel/mm/transparent_hugepage/enabled
always madvise [never]