How to Create AWR Snapshots Outside the Regular Automatic Intervals? (Doc ID 2100903.1)

Last updated on MAY 15, 2017

Applies to:

Oracle Database - Enterprise Edition - Version 10.2.0.5.0 to 12.1.0.2 [Release 10.2 to 12.1]
Information in this document applies to any platform.

Goal

AWR snapshots are currently setup to be taken at 1hr intervals on the top of the hour. This can be configured to take a preset number of snapshots in a day, typically 24 or 48 times (on the hour and half hr), but there are times when one might want to get an AWR report that encompasses a non-standard window (perhaps to troubleshoot some performance problem happening over some 20 minute time period after hours). For example: You have a certain performance hit every night starting at 7:15 and ending around 7:35. With the standard snapshots, your report would include all activity from 7pm to 8pm.  In order to get a report that is specific to that 20min time period, you would need to get a snapshot just before and another snapshot just after. The question is: How to create those snapshots since the automatic snapshot creation can not be configured to such granularity?

 

Solution

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