Integration with Other Applications > Creo Parametric – Windchill Integration > Administration and Configuration > Performance Tuning > Setting the Method Server Max Heap Size
  
Setting the Method Server Max Heap Size
It is recommended that the default Java heap size for each method server be set to 512 MB to cope with large Creo Parametric data sets that are common to the products developed by Creo Parametric users.
For more information on setting the max heap size, see the chapter, Method Server Maximum Heap Size, in the Workgroup Manager Performance Best Practices Guide.