Shulou(Shulou.com)06/02 Report--

1. The original configuration of the system se38/rsmemory

2. Memory allocation of a SAP BW On HANA system

#-

# Values proposed by SAP for shared memory pool sizes

#-

Ztta/roll_extension = 8000000000

Ipc/shm_psize_10 = 456000000

Ipc/shm_psize_40 = 1900000000

Abap/heap_area_dia = 8000000000

Abap/heap_area_nondia = 8000000000

Abap/heap_area_total = 16000000000

#-

# Others Values

#-

Zcsa/system_language = 1

Zcsa/installed_languages = 1EM

Zcsa/second_language = E

Is/SMTP/virt_host_1 = *: 250 $

Icm/host_name_full = sapprd2.ccp.com.cn

Gw/acl_mode = 0

3 、 Memory allocation sequence to work processes

Https://blogs.sap.com/2012/12/01/memory-allocation-sequence-to-work-processes/

Summary: ztta/roll_first--- > Extended memory--- > roll area--- > local heap memory--- > WP goto PRIV mode

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