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ORA-04030 AND ORA-16768 ON LOGICAL STANDBY EVEN AFTER Patch 6615740 (Doc ID 970748.1)

Last updated on FEBRUARY 27, 2019

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 9.2 to 11.2]
Oracle Database Cloud Schema 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
Oracle Database Backup Service - Version N/A and later
Information in this document applies to any platform.


From the logical standby alert log:

ORA-12801: error signaled in parallel query server P004
ORA-00604: error occurred at recursive SQL level 1
ORA-04030: out of process memory when trying to allocate 8512 bytes (pga heap,kgh stack)
LOGSTDBY Analyzer process P003 pid=30 OS id=9449 stopped

The log apply for long transaction fails with ora-4030 error.
The heapdump from 4030 trace file shows high allocation under "knas:shtrans":

Type Count Sum Average Percent
~~~~ ~~~~~ ~~~ ~~~~~~~ ~~~~~~~
knas:shtrans 138579 567475848 4094.96 99.95 -------> High
krvxiphd: priv 8 67376 8422.00 0.01
koh-kghu call 2 17488 8744.00 0.00

The symptom matches to Bug 6615740


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