Tuning parameters can be set in the cnp.bat or cnp*.sh, these are located in the
For example: /opt/IBM/ITM/*interp*/cj/bin/cnp.sh
cnp.databus.pageSize = #of rows to get for any workspace table. Default is 100 rows.
cnp.navigator.branch.pagesize = Navigator Expansion - this is the popular one, default value is 25.
cnp.navigator.branch.threshold = Warning threshold for Navigator branch requests. Default value is 100.