V$RSRC_CONSUMER_GROUP displays data related to currently active resource consumer groups.
When the STATISTICS_LEVEL is set to TYPICAL or ALL, this view contains information about CPU utilization and wait times even when no Resource Manager plan is set or when the Resource Manager plan does not monitor CPU or session resources.
Statistics in V$RSRC_CONSUMER_GROUP are reset when a pluggable database (PDB) changes its resource plan. They are not impacted by multitenant container database (CDB) resource plan changes.
Since PDB plans can be set independently across different PDBs, V$RSRC_CONSUMER_GROUP will not cover the same time period across different PDBs. Therefore, this view is not useful for comparing statistics across different PDBs.
