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Profile parameters for SAP buffers

Updated Oct 14, 2019

Ram Size: 8GB

No. of Users: 57

Profile parameter Current Value Unit Comment
Program buffer (PXA)      
abap/buffersize 450000 kB Size of program buffer
abap/pxa shared   Program buffer mode
       
CUA buffer (CUA)      
rsdb/cua/buffersize 3000 kB Size of CUA buffer
The number of max. buffered CUA objects is always: size / (2 kB)      
       
Screen buffer (PRES)      
zcsa/presentation_buffer_area 4400000 Byte Size of screen buffer
sap/bufdir_entries 2000   Max. number of buffered screens
       
Generic key table buffer (TABL)      
zcsa/table_buffer_area 30000000 Byte Size of generic key table buffer
zcsa/db_max_buftab 5000   Max. number of buffered objects
       
Single record table buffer (TABLP)      
rtbb/buffer_length 10000 kB Size of single record table buffer
rtbb/max_tables 500   Max. number of buffered tables
       
Export/import buffer (EIBUF)      
rsdb/obj/buffersize 4096 kB Size of export/import buffer
rsdb/obj/max_objects 2000   Max. number of objects in the buffer
rsdb/obj/large_object_size 8192   Byte Estimation for the size of the largest object
rsdb/obj/mutex_n 0   Number of mutexes in Export/Import buffer
       
OTR buffer (OTR)      
rsdb/otr/buffersize_kb 4096 kB Size of OTR buffer
rsdb/otr/max_objects 2000   Max. number of objects in the buffer
rsdb/otr/mutex_n 0   Number of mutexes in OTR buffer
       
Exp/Imp SHM buffer (ESM)      
rsdb/esm/buffersize_kb 4096 4096 kB Size of exp/imp SHM buffer
rsdb/esm/max_objects 2000 2000   Max. number of objects in the buffer
rsdb/esm/large_object_size 8192   Byte Estimation for the size of the largest object
rsdb/esm/mutex_n 0   Number of mutexes in Exp/Imp SHM buffer
       
Table definition buffer (TTAB)      
rsdb/ntab/entrycount 20000 20000   Max. number of table definitions buffered
The size of the TTAB is nearly 100 bytes * rsdb/ntab/entrycount      
       
Field description buffer (FTAB)      
rsdb/ntab/ftabsize 30000 kB Size of field description buffer
rsdb/ntab/entrycount 20000   Max. number / 2 of table descriptions buffered
FTAB needs about 700 bytes per used entry      
       
Initial record buffer (IRBD)      
rsdb/ntab/irbdsize 6000 kB Size of initial record buffer
rsdb/ntab/entrycount 20000   Max. number / 2 of initial records buffered
IRBD needs about 300 bytes per used entry      
       
Short nametab (NTAB) (SNTAB)      
rsdb/ntab/sntabsize 3000 kB Size of short nametab
rsdb/ntab/entrycount 20000   Max. number / 2 of entries buffered
SNTAB needs about 150 bytes per used entry      
       
Calendar buffer (CALE)      
zcsa/calendar_area 500000 Byte Size of calendar buffer
zcsa/calendar_ids 200   Max. number of directory entries
       
Roll, extended and heap memory (EXTM)      
ztta/roll_area 2000000 Byte Roll area per workprocess (total)
ztta/roll_first 1 Byte First amount of roll area used in a dialog WP
ztta/short_area 1600000 Byte Short area per workprocess
rdisp/ROLL_SHM 32768 8 kB Part of roll file in shared memory
rdisp/PG_SHM 15560 8 kB Part of paging file in shared memory
rdisp/PG_LOCAL 150 8 kB Paging buffer per workprocess
em/initial_size_MB 1996 MB Initial size of extended memory
em/blocksize_KB 1024 kB Size of one extended memory block
em/address_space_MB 512 MB Address space reserved for ext. mem. (NT only)
ztta/roll_extension 2000000000 Byte Max. extended mem. per session (external mode)
abap/heap_area_dia 2000000000 Byte Max. heap memory for dialog workprocesses
abap/heap_area_nondia 2000000000 Byte Max. heap memory for non-dialog workprocesses
abap/heap_area_total 2000000000 Byte Max. usable heap memory
abap/heaplimit 40000000 Byte Workprocess restart limit of heap memory
abap/use_paging 0   Paging for flat tables used (1) or not (0)
       
Statistic parameters      
rsdb/staton 1   Statistic turned on (1) or off (0)
rsdb/stattime 0   Times for statistic turned on (1) or off (0)

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