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ORA-600 [12209] ORA-10387 reported after increasing PX resources (Doc ID 1204823.1)

Last updated on SEPTEMBER 03, 2021

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 11.1]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.


ORA-600 12209 reported after increasing resources to avoid PX sessions being downgraded to serial.

Stack trace looks like:

opiomc <-- kksLockOperation <-- kgllkdl <-- kssdel <-- kssdch <-- ksuxds <-- ksudel <-- kxfpdqs <-- kxfprdp <-- opirip <-- opidrv <-- sou2o <-- opimai_real <-- main


Increase PX resources at instance level


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