DBA_RSRC_IO_CALIBRATE displays I/O calibration results for the latest calibration run.
| Column | Datatype | NULL | Description |
|---|---|---|---|
START_TIME |
TIMESTAMP(6) |
Start time of the most recent I/O calibration | |
END_TIME |
TIMESTAMP(6) |
End time of the most recent I/O calibration | |
MAX_IOPS |
NUMBER |
Maximum number of data block read requests that can be sustained per second | |
MAX_MBPS |
NUMBER |
Maximum megabytes per second of maximum-sized read requests that can be sustained | |
MAX_PMBPS |
NUMBER |
Maximum megabytes per second of large I/O requests that can be sustained by a single process | |
LATENCY |
NUMBER |
Latency for data block read requests | |
NUM_PHYSICAL_DISKS |
NUMBER |
Number of physical disks in the storage subsystem (as specified by the user) |