REQUIRED_CHECKPOINT_SCN Not Advancing; Unsafe TXN Datapump Related

(Doc ID 751493.1)

Last updated on MAY 14, 2017

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 11.1]
Oracle Database - Enterprise Edition - Version to [Release 10.2]
Information in this document applies to any platform.


[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. 


[2] the Capture process is slow to mine logs.

Related relevant patches applied :
- <bug 5770059> (fixed in 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  This fix has subsequently been withdrawn and is superceded by :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 : PSU) ; i.e ensure that this later patch is applied.

Note: there may be merge patches containing the above


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