ORA-4030 And High PGA Consumption While Performing A Text Query
(Doc ID 1478573.1)
Last updated on FEBRUARY 22, 2019
Applies to:Oracle Database - Enterprise Edition - Version 22.214.171.124 to 126.96.36.199 [Release 11.2]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.
A query which involves Oracle Text consumes lots of PGA memory and eventually fails with ORA-4030.
A query on V$PROCESS shows that the active process running the Oracle Text query has allocated PGA memory up to 400M:
When taking a heap dump of this process, the dump shows high allocations of the "CTX PRM heap" type.
This environment has been upgraded to 11g Release 2.
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