ORA-12853 / ORA-4031 or ORA-4030 on Instance Startup With increased SGA size
(Doc ID 839789.1)
Last updated on FEBRUARY 03, 2019
Applies to:Oracle Database - Enterprise Edition - Version 10.2.0.3 to 220.127.116.11 [Release 10.2 to 11.1]
Information in this document applies to any platform.
***Checked for relevance on 29-Jul-2013***
System has high cpu count.
DB startup failed when trying to increase SGA_MAX_SIZE to higher value
o Error Pattern 1: Without LARGE_POOL_SIZE parameter
o Error Pattern 2: With LARGE_POOL_SIZE parameter
ORA-04031: unable to allocate 21544 bytes of shared memory ("large pool","unknown object","large pool","PX msg pool")
Trying to increase SGA_MAX_SIZE to larger size.
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