Tuned Undo Retention Grows Gradually In Local Undo Mode
(Doc ID 2582191.1)
Last updated on JULY 20, 2024
Applies to:
Oracle Database - Standard Edition - Version 12.2.0.1 and laterOracle Database - Enterprise Edition - Version 12.2.0.1 and later
Information in this document applies to any platform.
Symptoms
When using 12c new feature Local Undo, Tuned Undoretention value gradually increases, regardless of the maxquerylen.
This may cause the undo tablespace size to extend to huge size, because the undo does not expire.
Example:
Cause
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In this Document
| Symptoms |
| Cause |
| Solution |
| References |