1. Database Reference
  2. Dynamic Performance Views
  3. Dynamic Performance (V$) Views: V$ACCESS to V$HVMASTER_INFO
  4. V$HVMASTER_INFO

7.274 V$HVMASTER_INFO

V$HVMASTER_INFO describes the current and previous master instances and the number of re-masterings of Global Enqueue Service resources.

Column Datatype Description

HV_ID

NUMBER

Hash value ID

CURRENT_MASTER

NUMBER

Master instance of this hash value ID

PREVIOUS_MASTER

NUMBER

Previous master instance of this hash value ID

REMASTER_CNT

NUMBER

Number of times this has been remastered

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