REQUIRED_CHECKPOINT_SCN Not Advancing; Unsafe TXN Datapump Related
(Doc ID 751493.1)
Last updated on FEBRUARY 02, 2022
Applies to:
Oracle Database - Enterprise Edition - Version 11.1.0.6 to 11.1.0.7 [Release 11.1]Oracle Database - Enterprise Edition - Version 10.2.0.2 to 10.2.0.4 [Release 10.2]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.
Symptoms
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[1] required_checkpoint_scn is not moving forward.
A restart of the Capture process will therefore need to go
back further than desired. This may result in substantial
remining of data which is undesirable.
additionally,
[2] the Capture process is slow to mine logs.
Related relevant patches applied :
- <bug 5770059> (fixed in 10.2.0.4) and, at the time of the issue the patch for
- bug 6154377. This fix has subsequently been withdrawn and is superceded by :
<Bug 8267348> (fixed in : 10.2.0.4.1 PSU) ; i.e ensure that this later patch is applied.
Changes
Cause
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In this Document
| Symptoms |
| Changes |
| Cause |
| Solution |
| References |