"_enable_NUMA_support" = true on Exadata causes PX message buffers to come out of the numa pool; possible ORA-12805/ORA-4031
(Doc ID 2378765.1)
Last updated on NOVEMBER 07, 2023
Applies to:
Oracle Database Cloud Exadata Service - Version N/A and laterOracle Database Backup Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Cloud Service - Version N/A and later
Oracle Database - Enterprise Edition - Version 12.1.0.1 and later
Information in this document applies to any platform.
Symptoms
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In 12c+, when PX message buffers come out of the numa pool, it is possible to see ORA-12805/ORA-4031 errors like the following if there is not enough room in the shared pool:
Changes
You are running RDBMS version 12.1.0.1 or higher on Exadata.
Cause
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In this Document
| Symptoms |
| Changes |
| Cause |
| Solution |
| References |