Old Snap Ids Purge Not Happening Correctly In SYSAUX Tablespace
(Doc ID 2382093.1)
Last updated on NOVEMBER 06, 2019
Applies to:
Oracle Database Cloud Schema Service - Version N/A and laterOracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Information in this document applies to any platform.
Symptoms
- Old snapshots are existing in repository:
Example:
SQL > select dbms_stats.get_stats_history_retention from dual;
GET_STATS_HISTORY_RETENTION
---------------------------
31
SQL > select min(snap_id),max(snap_id) from dba_hist_snapshot;
MIN(SNAP_ID) MAX(SNAP_ID)
------------ ------------
12519 143017
SQL > select min(snap_id),max(snap_id) from WRH$_ACTIVE_SESSION_HISTORY;
MIN(SNAP_ID) MAX(SNAP_ID)
------------ ------------
12512 143017 ---------------------------------<< See that the minimum snap id is 12512 and the maximum snap id is 143017. This is a very big range for snap ids to exists in the DB.
Changes
Cause
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In this Document
| Symptoms |
| Changes |
| Cause |
| Solution |