Tuned Undo Retention Grows Gradually In Local Undo Mode
(Doc ID 2582191.1)
Last updated on SEPTEMBER 29, 2020
Applies to:Oracle Database - Standard Edition - Version 188.8.131.52 and later
Oracle Database - Enterprise Edition - Version 184.108.40.206 and later
Information in this document applies to any platform.
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.
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