rtserver warning messages found in log files:
>The recommended Heap Size needed is UNLIMITED
>The recommended File Descriptor needed is UNLIMITED
>The recommended Stack Size is UNLIMITED
Harvest SCM Server 12.1 SP3 on Linux
The RTserver process calls a function during intialization that will check specific user limits such as, stack size, heap size, and the maximum file descriptor limit. If these values are not set to the maximum value, a warning message will be produced in the dbg file.
As long as PEC is performing to your expectations, you need not make any changes.