High Executions Of Statement "delete from smon_scn_time..."
(Doc ID 375401.1)
Last updated on AUGUST 04, 2018
Applies to:Oracle Database - Enterprise Edition - Version 10.1.0.2 to 10.2.0.4 [Release 10.1 to 10.2]
Information in this document applies to any platform.
***Checked for relevance on 10-Oct-2016***
A delete from smon_scn_time is performing excessive gets and executions as viewed from AWR report:
Buffer Gets Executions Gets per Exec %Total CPU Time (s) Elapsed Time (s)
205,501,888 30,508 6,736.00 54.05 9,733.97 61,180.96 delete from smon_scn_time where...
The AWR report shows the following SQL with an excessive amount of executions:
delete from smon_scn_time where thread=0 and time_mp = (select min(time_mp) from smon_scn_time where thread=0);
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