ORA-04030 (callheap,qeeOpt: qeesCreateOpt) - High Memory Usage From A Query Using Inlists
(Doc ID 1917520.1)
Last updated on FEBRUARY 18, 2019
Applies to:Oracle Database - Enterprise Edition - Version 220.127.116.11 and later
Information in this document applies to any platform.
Oracle release 18.104.22.168 version, database instance is having many sessions run huge PGA used size and the overall amount are larger than pga aggregate target .
With internal 200gb of RAM and memory_max_target of 12G, all sessions are consuming greater than 180Gb.
There are a lot of intermittent ORA-04030 errors with arguments (callheap,qeeOpt: qeesCreateOpt).
Analyzing the sessions PGA memory usage shows that the bulk of the memory used here is being allocated as permanent memory in the callheap for chunks
of label "qeeOpt: qeesCre".
The stack for the error is: qeesCreateOpt qerilCopyInList qerilStart qerjotFetch
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