Usable Flash Recovery Area (%)

Description

This metric represents the percentage of space usable in the flash recovery area. The space usable is composed of the space that is free in addition to the space that is reclaimable.

Metric Summary

The rest of the information in this section is only valid for this metric when it appears in either the Enterprise Manager Grid Control or the Enterprise Manager Database Control (if applicable).

The following table shows how often the metric's value is collected.

Target Version

Collection Frequency

10.1.0.x; 10.2.0.x; 11.1.0.x; 11.2.0.x

Every 15 Minutes

Data Source


SELECT (CASE WHEN PERCENT_USED> 100 THEN 0 ELSE (100-PERCENT_USED) END) PERCENT_FREE
  FROM (SELECT (SUM(PERCENT_SPACE_USED)-SUM(PERCENT_SPACE_RECLAIMABLE)) PERCENT_USED
  FROM V$FLASH_RECOVERY_AREA_USAGE);

User Action

No user action is required.

Related Topics

About Alerts

About the Metric Detail Page

Editing Thresholds

Understanding Line Charts