"_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 MARCH 11, 2020
Applies to:Oracle Database Cloud Exadata Service - Version N/A and later
Oracle 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 22.214.171.124 and later
Information in this document applies to any platform.
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:
You are running RDBMS version 126.96.36.199 or higher on Exadata.
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