V$RECOVERY_PROGRESS

v$recovery_progress视图可以用来监控数据库recovery操作，以及所需时间的估算。此外，可以用来监控physical standby环境的redo应用速度。

SQL> select * from v$recovery_progress;

START_TIME     TYPE            ITEM                      UNITS                SOFAR      TOTAL TIMESTAMP      COMMENTS
-------------- --------------- ------------------------- --------------- ---------- ---------- -------------- -------------------------
14-10月-15     Media Recovery  Log Files                 Files                 2742          0
14-10月-15     Media Recovery  Active Apply Rate         KB/sec               55082          0
14-10月-15     Media Recovery  Average Apply Rate        KB/sec                   9          0
14-10月-15     Media Recovery  Maximum Apply Rate        KB/sec               71678          0
14-10月-15     Media Recovery  Redo Applied              Megabytes           145134          0
14-10月-15     Media Recovery  Last Applied Redo         SCN+Time                 0          0 11-4月 -16     SCN: 253874835
14-10月-15     Media Recovery  Active Time               Seconds               2363          0
14-10月-15     Media Recovery  Apply Time per Log        Seconds                  0          0
14-10月-15     Media Recovery  Checkpoint Time per Log   Seconds                  0          0
14-10月-15     Media Recovery  Elapsed Time              Seconds           15511514          0
14-10月-15     Media Recovery  Standby Apply Lag         Seconds                 11          0
14-10月-15     Media Recovery  Log Files                 Files                    5          5
14-10月-15     Media Recovery  Average Apply Rate        KB/sec                  42         42
14-10月-15     Media Recovery  Last Applied Redo         SCN+Time                 0          0 14-10月-15     SCN: 21931614
14-10月-15     Media Recovery  Elapsed Time              Seconds                  2          2

已选择15行。

SQL>