Program memory (program execution area) for managing the fixed data of an ABAP program found in a n execution. The PXA notably contains the bytecodes of all programs running concurrently at a specific time on an application server. This memory is shared by all internal sessions of the application server and there is only one on each server. The bytecode of a program that is executed once remains buffered in the PXA for as long as possible as a load program to prevent reload from the database in the event that the program is executed again. The PXA also buffers communal resources like the values of constants and facilitates the initial value sharing of boxed components.
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