Parallel Process Option for Optimization in Background.

Hi,
I am testing the SNP Optimizer with various settings this week on demo version from SAP for a client. I am looking for information that anyone might have on the SNP Parallel Processing Option in the execution of the Optimizer in the background. The information that I could find is very thin. I would be interested in any documentation or experience that you have.
Sincerely,
Michael M. Stahl
[email protected]

Hello,
While running the transaction /SAPAPO/SNPOP - Supply Network Optimization in the background, In the variant of it you can enter Parallel Processing profile in the field Paral. Proc. Profile.
This profile you will require to define in the Customization(SPRO) before use it in the variant.
Path to maintain it is as below Use transaction SPRO
Advanced Planning and Optimization --> Supply Chain Planning -->Supply Network Planning (SNP) --> Profiles --> Define Parallel Processing Profile
Here you will require to define your profile... e.g. as below
Paral. Proc. Profile SNP_OPT
Description SNP OPTIMIZER PP PROFILE
Appl. (Parallel Pr.) : Optimization
Parallel Processes 2
Logical system :
Server Group :
Block Size:
You will require to take Basis team's help to enter value for Server Group and Block size.
I hope, above information is helpful for you.
Regards,
Anjali

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Hi Carina,
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Hi Lauren,
First of all there is no transaction code as such.
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--Currently using Reporting Service 2000; Visual Studio .NET 2003; Visual Source Safe SSIS 2008 SSAS 2008, SVN --
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http://www.purplefrogsystems.com/blog/2013/09/dimension-processadd-in-ssas/
Please Mark This As Answer if it helps to solve the issue Visakh ---------------------------- http://visakhm.blogspot.com/ https://www.facebook.com/VmBlogs

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Documentation for system log message D0 1 :                         |
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Thanks for your interventions
Salvador
Message was edited by: Salvador García

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>
S. Pados wrote:
> In RAR config - optimizaiton you have to set webservice i/o and netweaver lock to NO. These are giving issues when set to yes. It resolved it at our system. don't forget to restart the server after changing these values.
>
> Regards,
> Stefan
Hello Stefan,
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@Chris Chapman:
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Hi,
I have assigned the OLAP_DBA to the user under which the OWB map is running and the job started off.
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***Error Occured in __XML_MAIN_LOADER: Failed to Build(Refresh) XPRO_OLAP_NON_AGG.OLAP_NON_AGG Analytic Workspace. In __XML_VAL_MEASMAPS: In __XML_VAL_MEASMAPS_VAR: Error Validating Measure Mappings. In __XML_FND_PRT_TO_LOAD: In __XML_SET_LOAD_STATUS: In ___XML_LOAD_TEMPPRG:
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3973     13     SYS.AWXML     12/1/2008 8:26     8:12:51     8:26:51     ***Error Occured in __XML_MAIN_LOADER: Failed to Build(Refresh) XPRO_OLAP_NON_AGG.OLAP_NON_AGG Analytic Workspace. In __XML_VAL_MEASMAPS: In __XML_VAL_MEASMAPS_VAR: Error Validating Measure Mappings. In __XML_FND_PRT_TO_LOAD: In __XML_SET_LOAD_STATUS: In ___XML_LOAD_TEMPPRG:
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Parallel processing in background

Hi All,
I am processing 1 million of records in background, which takes approximately around 10 hrs. I wanted to reduce the time to less than 1 hr and tried using parallel processing. But the tasks run in Dialog workprocesses and giving abap short dumps due to time out.
Is there any other solutions using that i can reduce total processing time.
Please note that i cannot split. I am getting 1 million records from a select query and after processing all those records in SAP, I am sending to XI and XI will post in legacy system.
Please note that all other performance tunings done.
Thanks,
Rajesh.

Hi Rajesh,
Refer sample code for Parallel Processing:
By doing this your processing time will be highly optimized.
Go thru the description given in the code at each level.
This code Checks available WORK PROCESSes and assigns data in packets for processing. This way you save a lot of time esp when data is in Millions.
Hope it helps.
REPORT PARAJOB.
Data declarations
DATA: GROUP LIKE RZLLITAB-CLASSNAME VALUE ' ',
"Parallel processing group.
"SPACE = group default (all
"servers)
WP_AVAILABLE TYPE I, "Number of dialog work processes
"available for parallel processing
"(free work processes)
WP_TOTAL TYPE I, "Total number of dialog work
"processes in the group
MSG(80) VALUE SPACE, "Container for error message in
"case of remote RFC exception.
INFO LIKE RFCSI, C, "Message text
JOBS TYPE I VALUE 10, "Number of parallel jobs
SND_JOBS TYPE I VALUE 1, "Work packets sent for processing
RCV_JOBS TYPE I VALUE 1, "Work packet replies received
EXCP_FLAG(1) TYPE C, "Number of RESOURCE_FAILUREs
TASKNAME(4) TYPE N VALUE '0001', "Task name (name of
"parallel processing work unit)
BEGIN OF TASKLIST OCCURS 10, "Task administration
TASKNAME(4) TYPE C,
RFCDEST LIKE RFCSI-RFCDEST,
RFCHOST LIKE RFCSI-RFCHOST,
END OF TASKLIST.
Optional call to SBPT_INITIALIZE to check the
group in which parallel processing is to take place.
Could be used to optimize sizing of work packets
work / WP_AVAILABLE).
CALL FUNCTION 'SPBT_INITIALIZE'
EXPORTING
GROUP_NAME = GROUP
"Name of group to check
IMPORTING
MAX_PBT_WPS = WP_TOTAL
"Total number of dialog work
"processes available in group
"for parallel processing
FREE_PBT_WPS = WP_AVAILABLE
"Number of work processes
"available in group for
"parallel processing at this
"moment
EXCEPTIONS
INVALID_GROUP_NAME = 1
"Incorrect group name; RFC
"group not defined. See
"transaction RZ12
INTERNAL_ERROR = 2
"R/3 System error; see the
"system log (transaction
"SM21) for diagnostic info
PBT_ENV_ALREADY_INITIALIZED = 3
"Function module may be
"called only once; is called
"automatically by R/3 if you
"do not call before starting
"parallel processing
CURRENTLY_NO_RESOURCES_AVAIL = 4
"No dialog work processes
"in the group are available;
"they are busy or server load
"is too high
NO_PBT_RESOURCES_FOUND = 5
"No servers in the group
"met the criteria of >
"two work processes
"defined.
CANT_INIT_DIFFERENT_PBT_GROUPS = 6
"You have already initialized
"one group and have now tried
"initialize a different group.
OTHERS = 7..
CASE SY-SUBRC.
WHEN 0.
"Everythings ok. Optionally set up for optimizing size of
"work packets.
WHEN 1.
"Non-existent group name. Stop report.
MESSAGE E836. "Group not defined.
WHEN 2.
"System error. Stop and check system log for error
"analysis.
WHEN 3.
"Programming error. Stop and correct program.
MESSAGE E833. "PBT environment was already initialized.
WHEN 4.
"No resources: this may be a temporary problem. You
"may wish to pause briefly and repeat the call. Otherwise
"check your RFC group administration: Group defined
"in accordance with your requirements?
MESSAGE E837. "All servers currently busy.
WHEN 5.
"Check your servers, network, operation modes.
WHEN 6.
Do parallel processing. Use CALL FUNCTION STARTING NEW TASK
DESTINATION IN GROUP to call the function module that does the
work. Make a call for each record that is to be processed, or
divide the records into work packets. In each case, provide the
set of records as an internal table in the CALL FUNCTION
keyword (EXPORT, TABLES arguments).
DO.
CALL FUNCTION 'RFC_SYSTEM_INFO' "Function module to perform
"in parallel
STARTING NEW TASK TASKNAME "Name for identifying this
"RFC call
DESTINATION IN GROUP group "Name of group of servers to
"use for parallel processing.
"Enter group name exactly
"as it appears in transaction
"RZ12 (all caps). You may
"use only one group name in a
"particular ABAP program.
PERFORMING RETURN_INFO ON END OF TASK
"This form is called when the
"RFC call completes. It can
"collect IMPORT and TABLES
"parameters from the called
"function with RECEIVE.
EXCEPTIONS
COMMUNICATION_FAILURE = 1 MESSAGE msg
"Destination server not
"reached or communication
"interrupted. MESSAGE msg
"captures any message
"returned with this
"exception (E or A messages
"from the called FM, for
"example. After exception
"1 or 2, instead of aborting
"your program, you could use
"SPBT_GET_PP_DESTINATION and
"SPBT_DO_NOT_USE_SERVER to
"exclude this server from
"further parallel processing.
"You could then re-try this
"call using a different
"server.
SYSTEM_FAILURE = 2 MESSAGE msg
"Program or other internal
"R/3 error. MESSAGE msg
"captures any message
"returned with this
"exception.
RESOURCE_FAILURE = 3. "No work processes are
"currently available. Your
"program MUST handle this
"exception.
YOUR_EXCEPTIONS = X. "Add exceptions generated by
"the called function module
"here. Exceptions are
"returned to you and you can
"respond to them here.
CASE SY-SUBRC.
WHEN 0.
"Administration of asynchronous RFC tasks
"Save name of task...
TASKLIST-TASKNAME = TASKNAME.
"... and get server that is performing RFC call.
CALL FUNCTION 'SPBT_GET_PP_DESTINATION'
EXPORTING
RFCDEST = TASKLIST-RFCDEST
EXCEPTIONS
OTHERS = 1.
APPEND TASKLIST.
WRITE: / 'Started task: ', TASKLIST-TASKNAME COLOR 2.
TASKNAME = TASKNAME + 1.
SND_JOBS = SND_JOBS + 1.
"Mechanism for determining when to leave the loop. Here, a
"simple counter of the number of parallel processing tasks.
"In production use, you would end the loop when you have
"finished dispatching the data that is to be processed.
JOBS = JOBS - 1. "Number of existing jobs
IF JOBS = 0.
EXIT. "Job processing finished
ENDIF.
WHEN 1 OR 2.
"Handle communication and system failure. Your program must
"catch these exceptions and arrange for a recoverable
"termination of the background processing job.
"Recommendation: Log the data that has been processed when
"an RFC task is started and when it returns, so that the
"job can be restarted with unprocessed data.
WRITE msg.
"Remove server from further consideration for
"parallel processing tasks in this program.
"Get name of server just called...
CALL FUNCTION 'SPBT_GET_PP_DESTINATION'
EXPORTING
RFCDEST = TASKLIST-RFCDEST
EXCEPTIONS
OTHERS = 1.
"Then remove from list of available servers.
CALL FUNCTION 'SPBT_DO_NOT_USE_SERVER'
IMPORTING
SERVERNAME = TASKLIST-RFCDEST
EXCEPTIONS
INVALID_SERVER_NAME = 1
NO_MORE_RESOURCES_LEFT = 2
"No servers left in group.
PBT_ENV_NOT_INITIALIZED_YET = 3
OTHERS = 4.
WHEN 3.
"No resources (dialog work processes) available at
"present. You need to handle this exception, waiting
"and repeating the CALL FUNCTION until processing
"can continue or it is apparent that there is a
"problem that prevents continuation.
MESSAGE I837. "All servers currently busy.
"Wait for replies to asynchronous RFC calls. Each
"reply should make a dialog work process available again.
IF EXCP_FLAG = SPACE.
EXCP_FLAG = 'X'.
"First attempt at RESOURCE_FAILURE handling. Wait
"until all RFC calls have returned or up to 1 second.
"Then repeat CALL FUNCTION.
WAIT UNTIL RCV_JOBS >= SND_JOBS UP TO '1' SECONDS.
ELSE.
"Second attempt at RESOURCE_FAILURE handling
WAIT UNTIL RCV_JOBS >= SND_JOBS UP TO '5' SECONDS.
"SY-SUBRC 0 from WAIT shows that replies have returned.
"The resource problem was therefore probably temporary
"and due to the workload. A non-zero RC suggests that
"no RFC calls have been completed, and there may be
"problems.
IF SY-SUBRC = 0.
CLEAR EXCP_FLAG.
ELSE. "No replies
"Endless loop handling
ENDIF.
ENDIF.
ENDCASE.
ENDDO.
Wait for end of job: replies from all RFC tasks.
Receive remaining asynchronous replies
WAIT UNTIL RCV_JOBS >= SND_JOBS.
LOOP AT TASKLIST.
WRITE:/ 'Received task:', TASKLIST-TASKNAME COLOR 1,
30 'Destination: ', TASKLIST-RFCDEST COLOR 1.
ENDLOOP.
This routine is triggered when an RFC call completes and
returns. The routine uses RECEIVE to collect IMPORT and TABLE
data from the RFC function module.
Note that the WRITE keyword is not supported in asynchronous
RFC. If you need to generate a list, then your RFC function
module should return the list data in an internal table. You
can then collect this data and output the list at the conclusion
of processing.
FORM RETURN_INFO USING TASKNAME.
DATA: INFO_RFCDEST LIKE TASKLIST-RFCDEST.
RECEIVE RESULTS FROM FUNCTION 'RFC_SYSTEM_INFO'
IMPORTING RFCSI_EXPORT = INFO
EXCEPTIONS
COMMUNICATION_FAILURE = 1
SYSTEM_FAILURE = 2.
RCV_JOBS = RCV_JOBS + 1. "Receiving data
IF SY-SUBRC NE 0.
Handle communication and system failure
ELSE.
READ TABLE TASKLIST WITH KEY TASKNAME = TASKNAME.
IF SY-SUBRC = 0. "Register data
TASKLIST-RFCHOST = INFO_RFCHOST.
MODIFY TASKLIST INDEX SY-TABIX.
ENDIF.
ENDIF.
ENDFORM
Reward points if that helps.
Manish
Message was edited by:
Manish Kumar

Parallel processing in background using Job scheduling...

(Note: Please understand my question completely before redirecting me to parallel processing links in sdn. I hve gone through most of them.)
Hi ABAP Gurus,
I have read a bit till now about parallel processing. But I have a doubt.
I am working on data transfer of around 5 million accounting records from lagacy to R/3 using Batch input recording.
Now if these all records reside in one flat file and if I then process that flat file in my batch input program, I guess it will take days to do it. So my boss suggested
to use parallel processing in SAP.
Now, from the SDN threads, it seems that we have to create a Remote enabled function module for it and stuf....
But I have a different idea. I thought to dividE these 5 million records in 10 flat files instead of just one and then to run the Custom BDC program with 10 instances which will process 10 flat files in background using Job scheduling.
Can this be also called parallel processing ?
Please let me know if this sounds wise to you guys...
Regards,
Tushar.

Thanks for your reply...
So what do you suggest how can I use Parallel procesisng for transferring 5 million records which is present in one flat file using custom BDC.?
I am posting my custom BDC code for million record transfer as follows (This code is for creation of material master using BDC.)
report ZMMI_MATERIAL_MASTER_TEST
 no standard page heading line-size 255.
include bdcrecx1.
parameters: dataset(132) lower case default
 '/tmp/testmatfile.txt'.
 DO NOT CHANGE - the generated data section - DO NOT CHANGE ***
If it is nessesary to change the data section use the rules:
1.) Each definition of a field exists of two lines
2.) The first line shows exactly the comment
 '* data element: ' followed with the data element
 which describes the field.
 If you don't have a data element use the
 comment without a data element name
3.) The second line shows the fieldname of the
 structure, the fieldname must consist of
 a fieldname and optional the character '_' and
 three numbers and the field length in brackets
4.) Each field must be type C.
Generated data section with specific formatting - DO NOT CHANGE ***
data: begin of record,
data element: MATNR
 MATNR_001(018),
data element: MBRSH
 MBRSH_002(001),
data element: MTART
 MTART_003(004),
data element: XFELD
 KZSEL_01_004(001),
data element: MAKTX
 MAKTX_005(040),
data element: MEINS
 MEINS_006(003),
data element: MATKL
 MATKL_007(009),
data element: BISMT
 BISMT_008(018),
data element: EXTWG
 EXTWG_009(018),
data element: SPART
 SPART_010(002),
data element: PRODH_D
 PRDHA_011(018),
data element: MTPOS_MARA
 MTPOS_MARA_012(004),
 end of record.
data: lw_record(200).
End generated data section ***
data: begin of t_data occurs 0,
 matnr(18),
 mbrsh(1),
 mtart(4),
 maktx(40),
 meins(3),
 matkl(9),
 bismt(18),
 extwg(18),
 spart(2),
 prdha(18),
 MTPOS_MARA(4),
 end of t_data.
start-of-selection.
perform open_dataset using dataset.
perform open_group.
do.
*read dataset dataset into record.
read dataset dataset into lw_record.
if sy-subrc eq 0.
clear t_data.
split lw_record
 at ','
into t_data-matnr
 t_data-mbrsh
 t_data-mtart
 t_data-maktx
 t_data-meins
 t_data-matkl
 t_data-bismt
 t_data-extwg
 t_data-spart
 t_data-prdha
 t_data-MTPOS_MARA.
append t_data.
else.
exit.
endif.
enddo.
loop at t_data.
*if sy-subrc <> 0. exit. endif.
perform bdc_dynpro using 'SAPLMGMM' '0060'.
perform bdc_field using 'BDC_CURSOR'
 'RMMG1-MATNR'.
perform bdc_field using 'BDC_OKCODE'
 '=AUSW'.
perform bdc_field using 'RMMG1-MATNR'
 t_data-MATNR.
perform bdc_field using 'RMMG1-MBRSH'
 t_data-MBRSH.
perform bdc_field using 'RMMG1-MTART'
 t_data-MTART.
perform bdc_dynpro using 'SAPLMGMM' '0070'.
perform bdc_field using 'BDC_CURSOR'
 'MSICHTAUSW-DYTXT(01)'.
perform bdc_field using 'BDC_OKCODE'
 '=ENTR'.
perform bdc_field using 'MSICHTAUSW-KZSEL(01)'
 'X'.
perform bdc_dynpro using 'SAPLMGMM' '4004'.
perform bdc_field using 'BDC_OKCODE'
 '/00'.
perform bdc_field using 'MAKT-MAKTX'
 t_data-MAKTX.
perform bdc_field using 'BDC_CURSOR'
 'MARA-PRDHA'.
perform bdc_field using 'MARA-MEINS'
 t_data-MEINS.
perform bdc_field using 'MARA-MATKL'
 t_data-MATKL.
perform bdc_field using 'MARA-BISMT'
 t_data-BISMT.
perform bdc_field using 'MARA-EXTWG'
 t_data-EXTWG.
perform bdc_field using 'MARA-SPART'
 t_data-SPART.
perform bdc_field using 'MARA-PRDHA'
 t_data-PRDHA.
perform bdc_field using 'MARA-MTPOS_MARA'
 t_data-MTPOS_MARA.
perform bdc_dynpro using 'SAPLSPO1' '0300'.
perform bdc_field using 'BDC_OKCODE'
 '=YES'.
perform bdc_transaction using 'MM01'.
endloop.
*enddo.
perform close_group.
perform close_dataset using dataset.

Pointers for optimizing system performance (run time) while running DP process chain with parallel processing

Hi Experts,
We are running APO DP process chain with parallel processing in our company, we are experiencing some issues regarding run time of process chain, need your help on below points;
- What are the ways we can optimize process chain run time.
- Special points we need to take care of in case of parallel processing profiles used in process chain.
- Any specific sequence to be followed for different processes in process chain - if there is some best practice followed.
- Any notes suggesting ways to improve system performance for APO version 7 with different enhancement packs 1 and 2.
Any help will be really appreciated.
Regards

HI Neelesh,
There are many ways to optimize performance of the process chains (background jobs) in APO system.
Firstly I would recommend you to identify the pain areas (steps) which are completing with more runtimes. Then each one of the step has got different approaches to decrease the runtime.
Like you may end up with steps like infopackage executions, DTPs, DP mass processing jobs etc which might be running with more runtimes. So now target each one of them differently and find out the ways to optimize. At the same time the approach you follow should be technically possible with basis perspective (system load and utilization) as well.
And coming to parallel processing, you can use parallel processing for different for different jobs. You can further r explore on the same using parallel processing. Like loading an infocube, mass processing, infopackage execution, DTP, TSCOPY etc.
Check the below link for more info
Performance problems in DP mass processing
Let me know if you require further info.
Regards,
Raj

Parallel Process Option for Optimization in Background.

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