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 22.214.171.124 to 126.96.36.199 [Release 11.2 to 12.1]
Information in this document applies to any platform.
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
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
Standby RAC instances are more in number across the clusterware.
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