8.115 V$PERSISTENT_PUBLISHERS

V$PERSISTENT_PUBLISHERS displays information about all active publishers of the persistent queues in the database. There is one row per instance per queue per publisher. The rows are deleted when the database (or instance in an Oracle RAC environment) restarts.
Column Datatype Description

QUEUE_ID

NUMBER

Identifier for the queue

QUEUE_SCHEMA

VARCHAR2(128)

Owner of the queue

QUEUE_NAME

VARCHAR2(128)

Name of the queue

PUBLISHER_NAME

VARCHAR2(128)

Name of the agent enqueuing the message

PUBLISHER_ADDRESS

VARCHAR2(1024)

Address of the publisher agent

PROTOCOL

NUMBER

Protocol used by the publisher's address

ENQUEUED_MSGS

NUMBER

Number of messages that have been enqueued

ELAPSED_ENQUEUE_TIME

NUMBER

Total time spent doing enqueue (in hundredths of a second)

ENQUEUE_CPU_TIME

NUMBER

Total CPU time for enqueue (in hundredths of a second)

LAST_ENQUEUE_TIME

TIMESTAMP(6)

Last enqueue message timestamp

ENQUEUE_TRANSACTIONS

NUMBER

Number of enqueue transactions

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