Question { Samsung, 8076 }

What is Extended memory & what is PXA/Program buffer?

Answer

Extended Memory: The memory which is exclusively used by the R/3 work process is called as Extended Memory.

Program/PXA Buffer: The program buffer is used for storing ABAP program loads before they are executed within individual work processes.It is also known as ABAP Buffer.The PXA should show hit ratios of 95% or more otherwise you will see, for example a high load and generation time on your SAP instance.