My Oracle Support Banner

ADG : ORA-04031 Shared Memory ("shared pool","unknown object","sga heap(1,0)","gcs dynamic s") (Doc ID 2176415.1)

Last updated on AUGUST 04, 2018

Applies to:

Oracle Database - Enterprise Edition - Version 11.2.0.1 to 12.1.0.2 [Release 11.2 to 12.1]
Information in this document applies to any platform.

Symptoms

 If the standby setup is huge say around 8 to 16 nodes RAC (ADG) and you have a reporting tool running on remaining 15 nodes, The instances will be frequently terminating due to below errors

 

Mon May 09 06:52:51 2016
Errors in file /u01/app/oracle/diag/rdbms/orclstb_qtcdr/ORCLSTB1/trace/ORCLSTB1_mrp0_33295.trc (incident=9200882):
ORA-04031: unable to allocate 4192 bytes of shared memory ("shared pool","unknown object","sga heap(1,0)","gcs dynamic r")
Incident details in: /u01/app/oracle/diag/rdbms/orclstb_qtcdr/ORCLSTB1/incident/incdir_9200882/ORCLSTB1_mrp0_33295_i9200882.trc
Dumping diagnostic data in directory=[cdmp_20160509065252], requested by (instance=1, osid=45505 (LMS0)), summary=[abnormal process termination].
Errors in file /u01/app/oracle/diag/rdbms/orclstb_qtcdr/ORCLSTB1/trace/ORCLSTB1_lms0_45505.trc:
ORA-04031: unable to allocate 4064 bytes of shared memory ("shared pool","unknown object","sga heap(1,0)","gcs dynamic s")
LMS0 (ospid: 45505): terminating the instance due to error 4031

 

 

Changes

 Standby RAC instances are more in number across the clusterware.

Cause

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

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


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