Ora-04031 starting the DB with large_pool_size 0 (Doc ID 734787.1)

Last updated on NOVEMBER 28, 2016

Applies to:

Oracle Server - Enterprise Edition - Version: 11GR1
This problem can occur on any platform.

Symptoms

Trying to open the DB with large_pool_size specifically set to 0 in the parameters configuration file and SGA_TARGET in use the following error is raised during startup:

ORA-04031: unable to allocate 16048 bytes of shared memory ("large pool","unknown object","large pool","PX msg pool")

Changes

Large_pool_size specifically set to 0 in the parameters configuration file.

Cause

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