Journaling... Problem with comment duplication checks

This may be more of a request for advice than anything...

I want to add a Journaling function into my plugin whereby all actions are logged. My initial thought was to use comments as it seemed to be the most logical solution and meets my requirements. However, I keep running into the duplicate comment error - Is there a way to bypass this filter? I am currently using wp_new_comment($data) to insert the comments but as many entries will be from the same author/email and related to the same post the duplication filter is getting in my way - I need to ensure no other plugins filter this either...

Or is a better way to do this to create child posts? Or is there any other recommendations?

Thanks