My Oracle Support Banner

Parsing of large query takes a long time, or ORA-4030 occurs during parsing (Doc ID 1422324.1)

Last updated on OCTOBER 04, 2019

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 10.2 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 Cloud Exadata Service - Version N/A and later
Information in this document applies to any platform.


Parsing a sql statement may take a very long time, or the sql may error with ORA-4030.

A heapdump of the process may show high allocations in the Top Call heap of type:
qcsjrsDS, kghsstk, kgllo


To view full details, sign in with your My Oracle Support account.

Don't have a My Oracle Support account? Click to get started!

In this Document

My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.