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>