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Instance Termination With ORA-4030 Or ORA-27103 When _DB_BLOCK_CACHE_PROTECT Is Set (Doc ID 1662066.1)

Last updated on JUNE 06, 2019

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 11.2 to 12.1]
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.


Running multiple RAC instances, an instance may terminate with errors like:

ORA-04030: out of process memory when trying to allocate 32792 bytes (callheap,kdbmal allocation)
ORA-27103: internal error
Linux-x86_64 Error: 12: Cannot allocate memory
Additional information: 27129
Additional information: -12
Additional information: 4

where Error 27129 is "VLM Map operation failed".


Parameter _db_block_cache_protect  = "MEDIUM" or "TRUE" was set.


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