Your milage will vary depending on the size of the SGA and the connections
to the database. We have some DBs where hugepages makes no major
difference. We have some where hugepages saves 3+G of memory on the server.
The trick is to test when your system is active and see how much memory is
being wasted on the page table, then decide from there.
Some people use it by default. I see no harm in that if you want a
On Fri, Jul 14, 2017 at 10:20 PM, Scott L McMillan <
What are your real-world experiences & recommendations related to
HUGEPAGES in RHEL 7 (for Oracle 18.104.22.168) ?
We have already disabled 'Transparent' HugePages, and reviewed the
1. Red Hat Reference Architecture Series -
Deploying Oracle Database 12c on Red Hat Enterprise Linux 7
Version 1.1 August 2016
2. Oracle: HugePages on Linux: What It Is... and What It Is Not... (Doc
3. Oracle Database (RDBMS) on Linux Quick Reference Doc ID 169706.1
Scott L. McMillan