Oracle 19c Database on RHEL 9 not Using HUGEPAGES - Implement SHM_HUGETLB
(Doc ID 3010862.1)
Last updated on APRIL 02, 2025
Applies to:
Oracle Database - Enterprise Edition - Version 19.3.0.0.0 to 23.4 [Release 19 to 23]Oracle Database Cloud Exadata Service - Version N/A to N/A [Release 1.0]
Oracle Cloud Infrastructure - Exadata Cloud Service - Version N/A to N/A [Release N/A]
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A to N/A
Gen 2 Exadata Cloud at Customer - Version All Versions to N/A [Release All Releases]
Linux x86-64
Symptoms
After configuring regular HugePages on the RHEL9 machine (non-Exadata), the database is not using them as per the output from /proc/meminfo.
Cause
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In this Document
| Symptoms |
| Cause |
| Solution |
| References |