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Checkpoint is not complete when there are too many inserts in SYS_EXPORT_FULL_01 during expd

edited Jan 23, 2018 12:26PM in Database Administration (MOSC) 16 commentsAnswered ✓

Hello everyone!

It happens that I am surprised with the amount of switch logfiles generated by the DB when an EXPDP is executed,  in a minute, 2 or 3 archivelogs are generated during the export with datapump.  I researched with logminer the contents of the archivelog and I see that all transactions are insert/update on the table SYS_EXPORT_FULL_01.  In 10 minutes of expdp execution, 500,000 records were created in SYS_EXPORT_FULL_01.  Obviously, with so many insert the redologs are filled more frequently and generate too many archivelogs.  This has caused alertlog to present the following message:

Thread 1 cannot allocate new log, sequence 2351

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