DBA_HIST_IC_CLIENT_STATS

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.

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

NAME

VARCHAR2(9)

NOT NULL

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.

BYTES_SENT

NUMBER

  

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.

BYTES_RECEIVED

NUMBER

  

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.

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