This wait can occur for two reasons. A session issuing an ALTER SYSTEM SET UNDO_RETENTION may wait on this event wait while a cluster reconfiguration takes place. Or the background process MMNL may wait for cluster reconfiguration while attempting to determine the max UNDO_RETENTION.
Wait time: 1 second
| Parameter | Description |
|---|---|
|
P1 |
Identifies where the retry is happening. Id = 1 retry while publishing into the max undo_retention namespace. Id = 2 retry while iterator accessing the max undo_retention namespace |
|
P2 |
Retry count (maximum number of retries is 5) |