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Database startup can fail with ORA-00064 Errors with huge sga_target of over 40GB (Doc ID 886312.1)

Last updated on NOVEMBER 06, 2018

Applies to:

Oracle Database - Enterprise Edition - Version 10.2.0.4 to 11.2.0.3 [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 Database Exadata Express Cloud Service - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.

Symptoms

Attempting to start the database with SGA_TARGET of 100GB (with a total of about 500GB of physical memory available) can fail with:

ORA-00064: object is too large to allocate on this O/S (1,15429280)

Changes

The SGA_TARGET instance parameter has been dynamically increased to a value higher than 40GB, like in:

SQL> alter system set sga_target=100G;
SQL> shutdown
SQL> startup

ORA-00064: object is too large to allocate on this O/S (1,15429280)

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References

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