V$FILEMETRIC_HISTORY displays values of file metrics for all intervals in the last one hour.
| Column | Datatype | Description | 
|---|---|---|
BEGIN_TIME | 
DATE | 
Begin time of the interval | 
END_TIME | 
DATE | 
End time of the interval | 
INTSIZE_CSEC | 
NUMBER | 
Interval size (in hundredths of a second) | 
FILE_ID | 
NUMBER | 
File number | 
CREATION_TIME | 
NUMBER | 
Timestamp of the file creation | 
AVERAGE_READ_TIME | 
NUMBER | 
Average file read time (in hundredths of a second) | 
AVERAGE_WRITE_TIME | 
NUMBER | 
Average file write time (in hundredths of a second) | 
PHYSICAL_READS | 
NUMBER | 
Number of physical reads | 
PHYSICAL_WRITES | 
NUMBER | 
Number of physical writes | 
PHYSICAL_BLOCK_READS | 
NUMBER | 
Number of physical block reads | 
PHYSICAL_BLOCK_WRITES | 
NUMBER | 
Number of physical block writes |