You can manage the logs generated by Tungsten Cluster using logrotate.
/opt/continuent/tungsten/tungsten-connector/log/connector.log { notifempty daily rotate 3 missingok compress copytruncate }
/opt/continuent/tungsten/tungsten-manager/log/tmsvc.log { notifempty daily rotate 3 missingok compress copytruncate }
/opt/continuent/tungsten/tungsten-replicator/log/trepsvc.log { notifempty daily rotate 3 missingok compress copytruncate }