DBA_HIST_IC_CLIENT_STATS displays information about the usage of an interconnect device by the instance. The information is divided into several areas of the Oracle Database, each identified by the NAME value.
Unique snapshot ID
Database ID for the snapshot
Instance number for the snapshot
Identifies the area of the Oracle Database:
ipq - Parallel query communications
dlm - Database lock management
cache - Global cache communications
All other values are internal to Oracle and are not expected to have high usage.
Number of bytes sent by the instance since instance startup for the software area identified by NAME. This information is aggregated across all devices used by the instance.
Number of bytes received by the instance since instance startup for the software area identified by NAME. This information is aggregated across all devices used by the instance.
The database ID of the PDB for the sampled session
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