ORA-04030 Error When High PGA Allocation Under "koh-kghu call=>"pl/sql vc2" Reaches 15GB.
(Doc ID 1506315.1)
Last updated on JANUARY 21, 2022
Applies to:
Oracle Database - Enterprise Edition - Version 10.2.0.5 to 11.2.0.4 [Release 10.2 to 11.2]Oracle Database Cloud Schema Service - Version N/A and later
Gen 1 Exadata Cloud at Customer (Oracle Exadata Database Cloud Machine) - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Information in this document applies to any platform.
Symptoms
Following ORA-04030 error is encountered every time when the PGA allocation reaches 15GB:
ORA-04030: out of process memory when trying to allocate 16328 bytes (koh-kghu call ,pl/sql vc2)
The incident trace shows 15G used by pl/sql:
=======================================
TOP 10 MEMORY USES FOR THIS PROCESS
---------------------------------------
100% 15 GB, 1008569 chunks: "pl/sql vc2 " PL/SQL
koh-kghu call ds=fffffc7ffc6f51f8 dsprt=c715710
0% 15 MB, 15763 chunks: "free memory "
pga heap ds=c715710 dsprt=0
TOP 10 MEMORY USES FOR THIS PROCESS
---------------------------------------
100% 15 GB, 1008569 chunks: "pl/sql vc2 " PL/SQL
koh-kghu call ds=fffffc7ffc6f51f8 dsprt=c715710
0% 15 MB, 15763 chunks: "free memory "
pga heap ds=c715710 dsprt=0
Changes
Cause
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In this Document
| Symptoms |
| Changes |
| Cause |
| Solution |
| References |