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Former Member
Nov 05, 2012 at 04:07 PM

SAP memory distrubution

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dear sap experts team,

I want to distrebute some memory in my em/initial_size_MB , abap/heap_area_dia , abap/heap_area_nondia and abap/heap_area_total

What below command show for performance .Please explain . This is my quality server.

saptest:qtsadm 23> sappfpar check pf=QTS_DVEBMGS00_saptest


================================================================================
== Checking profile: QTS_DVEBMGS00_saptest
================================================================================

***WARNING: Unexpected parameter: j2ee/dbhost =saptest
***WARNING: Unexpected parameter: j2ee/dbname =QTS
***WARNING: Unexpected parameter: j2ee/dbtype =ora

Shared memory disposition overview
================================================================
Shared memory pools
Key: 10 Pool
Size configured.....: 128000000 ( 122.1 MB)
Size min. estimated.: 124095554 ( 118.3 MB)
Advised Size........: 128000000 ( 122.1 MB)

Key: 40 Pool for database buffers
Size configured.....: 112000000 ( 106.8 MB)
Size min. estimated.: 108975040 ( 103.9 MB)
Advised Size........: 112000000 ( 106.8 MB)

Shared memories inside of pool 10
Key: 11 Size: 500000 ( 0.5 MB) Factory calender buffer
Key: 12 Size: 6000000 ( 5.7 MB) TemSe Char-Code convert Buf.
Key: 13 Size: 60500000 ( 57.7 MB) Alert Area
Key: 14 Size: 4400000 ( 4.2 MB) Presentation buffer
Key: 16 Size: 22400 ( 0.0 MB) Semaphore activity monitoring
Key: 17 Size: 2672386 ( 2.5 MB) Roll administration

Shared memories inside of pool 40
Key: 42 Size: 7232992 ( 6.9 MB) DB TTAB buffer
Key: 43 Size: 32534392 ( 31.0 MB) DB FTAB buffer
Key: 44 Size: 7958392 ( 7.6 MB) DB IREC buffer
Key: 45 Size: 4886392 ( 4.7 MB) DB short nametab buffer
Key: 46 Size: 20480 ( 0.0 MB) DB sync table
Key: 47 Size: 3073024 ( 2.9 MB) DB CUA buffer
Key: 48 Size: 300000 ( 0.3 MB) Number range buffer
Key: 49 Size: 2968344 ( 2.8 MB) Spool admin (SpoolWP+DiaWP)

Shared memories outside of pools
Key: 1 Size: 2500 ( 0.0 MB) System administration
Key: 2 Size: 5563836 ( 5.3 MB) Disp. administration tables
Key: 3 Size: 13714400 ( 13.1 MB) Disp. communication areas
Key: 4 Size: 509848 ( 0.5 MB) statistic area
Key: 6 Size: 159744000 ( 152.3 MB) ABAP program buffer
Key: 7 Size: 14838 ( 0.0 MB) Update task administration
Key: 8 Size: 67108964 ( 64.0 MB) Paging buffer
Key: 9 Size: 134217828 ( 128.0 MB) Roll buffer
Key: 18 Size: 917604 ( 0.9 MB) Paging adminitration
Key: 19 Size: 30000000 ( 28.6 MB) Table-buffer
Key: 30 Size: 14336 ( 0.0 MB) Taskhandler runtime admin.
Key: 31 Size: 4806000 ( 4.6 MB) Dispatcher request queue
Key: 33 Size: 10240000 ( 9.8 MB) Table buffer, part.buffering
Key: 34 Size: 4194304 ( 4.0 MB) Enqueue table
Key: 41 Size: 25010000 ( 23.9 MB) DB statistics buffer
Key: 51 Size: 3200000 ( 3.1 MB) Extended memory admin.
Key: 52 Size: 40000 ( 0.0 MB) Message Server buffer
Key: 54 Size: 4202496 ( 4.0 MB) Export/Import buffer
Key: 55 Size: 8192 ( 0.0 MB) Spool local printer+joblist
Key: 57 Size: 1048576 ( 1.0 MB) Profilparameter in shared mem
Key: 58 Size: 4096 ( 0.0 MB) Enqueue ID for reset
Key: 62 Size: 85983232 ( 82.0 MB) Memory pipes
Key: 63 Size: 409600 ( 0.4 MB) ICMAN shared memory
Key: 64 Size: 4202496 ( 4.0 MB) Online Text Repository Buf.
Key: 65 Size: 4202496 ( 4.0 MB) Export/Import Shared Memory
Key: 1002 Size: 400000 ( 0.4 MB) Performance monitoring V01.0
Key: 58900100 Size: 4096 ( 0.0 MB) SCSA area

Nr of operating system shared memory segments: 29

Shared memory resource requirements estimated
================================================================
Total Nr of shared segments required.....: 29
System-imposed number of shared memories.: 300
Shared memory segment size required min..: 159744000 ( 152.3 MB)
System-imposed maximum segment size......: 1073741824 (1024.0 MB)

Swap space requirements estimated
================================================
Shared memory....................: 764.6 MB
..in pool 10 118.3 MB, 96% used
..in pool 40 103.9 MB, 97% used
..not in pool: 533.8 MB
Processes........................: 136.0 MB
Extended Memory .................: 4092.0 MB
------------------------------------------------
Total, minimum requirement.......: 4992.6 MB
Process local heaps, worst case..: 1907.3 MB
Total, worst case requirement....: 6900.0 MB

Errors detected..................: 0
Warnings detected................: 3
saptest:qtsadm 24>

How much em/initial_size_MB , abap/heap_area_dia should be set for better performance.or for performance can we increase some more Dia or Bia process

Regards

sunil