DAMON job results in error "ERROR (-1): ORA-01555: snapshot too old"
Last updated on MARCH 30, 2017
Applies to:
Primavera P6 Enterprise Project Portfolio Management - Version 8.2 SP1 and laterInformation in this document applies to any platform.
Symptoms
Data monitor job runs with errors
- data_monitor ERROR ERROR (-1): ORA-01555: snapshot too old: rollback segment number 9 with name "_SYSSMU9_3263553557$" too small(Complete usession_clear_logical_delets)-1016 Sec
- data_monitor ERROR ERROR (-1): ORA-30036: unable to extend segment by 8 in undo tablespace 'UNDO'(Complete usession_clear_logical_deletes)-828 Sec
Cause
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