7.151 V$CPOOL_CC_STATS

V$CPOOL_CC_STATS displays information about the connection class level statistics for the Database Resident Connection Pool per instance.

Column Datatype Description

CCLASS_NAME

VARCHAR2(1024)

Name of the connection class

NUM_REQUESTS

NUMBER

Number of session requests

NUM_HITS

NUMBER

Total number of times a session that matches with the request was found in the pool

NUM_MISSES

NUMBER

Total number of times an exact match to the request was not found in the pool and a new session had to be created

NUM_WAITS

NUMBER

Total number of times session requests had to wait before getting served

WAIT_TIME

NUMBER

Reserved for future use

CLIENT_REQ_TIMEOUTS

NUMBER

Reserved for future use

NUM_AUTHENTICATIONS

NUMBER

Total number of authentications of clients done by the pool

CON_ID

NUMBER

The ID of the container to which the data pertains. 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

Note:

In a multitenant container database (CDB), this view returns data only when queried from a CDB root. When queried from a PDB, this view returns 0 rows.