ORA-01628: max # extents (32765) reached for rollback segment _SYSSMUxxx

Recently I came across "ORA-01628: max # extents (32765)" error. The database had resumable_timeout parameter set I received page for a session in resumable state. Looking into the alert log showed statement in resumable session 'User USER_E3(375), Session 9028, Instance 1' was suspended due to ORA-01628: max # extents (32765) reached for rollback segment _SYSSMU375_247595031$ …

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