DBA_HIST_RECOVERY_PROGRESS

DBA_HIST_RECOVERY_PROGRESS displays database recovery progress information for an instance.

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
START_TIME DATE NOT NULL Start time of the recovery operation
TYPE VARCHAR2(64) NOT NULL

Type of recovery operation being performed:

  • CRASH RECOVERY

  • INSTANCE RECOVERY

  • MEDIA RECOVERY
ITEM VARCHAR2(32) NOT NULL

Item being measured.

When TYPE is CRASH RECOVERY or INSTANCE RECOVERY, the possible values are:

  • Log Files

  • Redo Blocks

When TYPE is MEDIA RECOVERY, the possible values are:

  • Active Apply Rate

  • Average Apply Rate

  • Maximum Apply Rate

  • Redo Applied

  • Log Files

  • Last Applied Redo

  • Active Time

  • Elapsed Time

  • Apply Time per Log

  • Checkpoint Time per Log

  • Standby Apply Lag

  • Recovery ID
UNITS VARCHAR2(32)   The units of measurement for each item
SOFAR NUMBER   Amount of work done so far
TOTAL NUMBER   Total amount of work expected
TIMESTAMP DATE   Timestamp of the last redo record applied
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