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Oracle® Database Reference
11g Release 2 (11.2)

E40402-10
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DBA_RSRC_IO_CALIBRATE

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)