Change to AUDIT BY SESSION
From 11.1 onwards there are the following in the What's New in the Security Guide: "The BY SESSION clause of the AUDIT statement now writes one audit record for every audited event. In previous releases, BY SESSION wrote one audit record for all SQL statements or operations of the same type that were executed on the same schema objects in the same user session. Now, both BY SESSION and BY ACCESS write one audit record for each audit operation." On 10.2 we audited by session and the amount of audit was manageable. Now on 11.2.0.2 some of our databases generate