We need to know the sizing (hardware and architecture) of our servers to plan the PPM installation.
Clarity PPM 15.x
There are several examples on the documentation, in regards to server sizing and hardware recommendations, for small/medium/large archictectures.
This can be found on the following links of the Documentation:
In addition to those recommendations, it might be convenient to consult a Broadcom Service partner to plan the hardware sizing according to your specific needs.