Affiliate database table very big

Hi guys i´m using affiliate system from cs-cart, and some tables at my database … like cscart_aff_action_links are getting very big with thousand´s of links …



I would like to know if can i cleanup that table ? look likes just history links from affiliates…



I also would like to know if any one tried a third party affiliate system, if yes, witch one ? any sugestions ?



Thanks

Mike