Memory Management Temporary Memory on AS/400
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Using the following parameters, you can limit the maximum use of the process-specific memory. This in turn limits the maximum use of temporary memory by an R/3 application server. Consider the following parameters: Parameters for Controlling the Use of Temporary Memory:
Parameter | Limitation: |
ztta/roll_area | Roll area per internal mode |
ztta/roll_extension | Extended memory limit per user context |
rdisp/PG_SHM | Paging memory per application server |
rdisp/PG_MAXFS | Paging memory per application server |
abap/heap_area_dia | Heap limit for a dialog work process |
abap/heap_area_nondia | Heap limit for a non-dialog work process |
abap/heap_area_total | Heap limit for the entire R/3 application server |
For more information about the function parameters, see Allocating Memory for User Contexts.
Temporary memory almost completely covers the memory requirements of R/3. The main consumers are:
- Internal buffers with a fixed share (PXA, table buffer, paging buffer)
- R/3 memory management (roll memory, Extended Memory, private memory) with a variable share depending on the number of users logged on and the application type (direct memory requirements)
Keyword: BASIS
Title : Memory Management Temporary Memory on AS/400
