Modify /etc/logrotate.d/apache2 on each node of the cluster.

For the access_log, error_log, and ssl_request_log, add a 0 to the size=+ value.  For example:
          /var/log/apache2/access_log {
        size=+40096k
          /var/log/apache2/error_log {
        size=+10024k
         /var/log/apache2/ssl_request_log {
        size=+40096k
Restart Apache
     rcapache2 restart