V$RSRC_PLAN_HISTORY
displays a history of when a resource plan was enabled, disabled, or modified on the instance. Up to 15 of the most recent entries are shown. Once the database is opened, this view shows at least one row. The row with the most recent START_TIME
and with END_TIME
equal to NULL gives information about the current resource plan.
Column | Datatype | Description |
---|---|---|
SEQUENCE# |
NUMBER |
A sequential counter that uniquely describes a row. When the instance is restarted, this value is reset to zero. |
ID |
NUMBER |
Resource plan ID; NULL if the Resource Manager was disabled |
NAME |
VARCHAR2(30) |
Resource plan name; NULL if the Resource Manager was disabled |
START_TIME |
DATE |
Time that the resource plan was enabled |
END_TIME |
DATE |
Time that the resource plan was disabled; NULL if the row contains the current resource plan information |
ENABLED_BY_SCHEDULER |
VARCHAR2(5) |
Indicates whether the plan was enabled by a Job Scheduler window (TRUE ) or not (FALSE ) |
WINDOW_NAME |
VARCHAR2(30) |
Job Scheduler window that triggered the resource plan event; NULL if a user triggered the resource plan event |
ALLOWED_AUTOMATED_SWITCHES |
VARCHAR2(5) |
Indicates whether automated plan switches were allowed after this resource plan event (TRUE ) or whether automated plan switches were disabled after this resource plan event (FALSE )
See Also: the |
CPU_MANAGED |
VARCHAR2(3) |
Indicates whether the resource plan has parameters that specify a policy for how the Resource Manager should schedule sessions to manage CPU usage (ON ) or whether Resource Manager is not managing CPU usage (OFF ) |
INSTANCE_CAGING Foot 1 |
VARCHAR2(3) |
Indicates whether instance caging is enabled (ON ) or disabled (OFF ). Instance caging is enabled if the CPU_COUNT initialization parameter is set to a value other than 0 and Resource Manager is enabled. |
PARALLEL_EXECUTION_MANAGED Footref 1 |
VARCHAR2(32) |
State of parallel statement queuing:
|
Footnote 1 This column is available starting with Oracle Database 11g Release 2 (11.2.0.2).