5.48 DBA_HIST_SESS_SGA_STATS

DBA_HIST_SESS_SGA_STATS shows usage statistics for high utilization Oracle GoldenGate and XStream sessions.

Column	Datatype	NULL	Description
SNAP_ID	NUMBER	NOT NULL	Unique snapshot ID
DBID	NUMBER	NOT NULL	Database ID for the snapshot
INSTANCE_NUMBER	NUMBER	NOT NULL	Instance number for the snapshot
OBJECT_NAME	VARCHAR2(128)	NOT NULL	Object name
SESSION_TYPE	VARCHAR2(64)	NOT NULL	Type of session
SESSION_MODULE	VARCHAR2(64)	NOT NULL	Session module. Valid values: XStream GoldenGate
SGA_USED	NUMBER		The total amount of shared memory (in bytes) currently used by the session out of the amount allocated (SGA_ALLOCATED)
SGA_ALLOCATED	NUMBER		The total amount of shared memory (in bytes) allocated from the pool for the session
CON_DBID	NUMBER		The database ID of the PDB for the sampled session
CON_ID	NUMBER		The ID of the container that CON_DBID identifies. Possible values include: 0: This value is used for rows containing data that pertain to the entire CDB. This value is also used for rows in non-CDBs. 1: This value is used for rows containing data that pertain to only the root n: Where n is the applicable container ID for the rows containing data