Performance tuning for a time-out dump
Hi ,
actually there is a following piece of code(a SELECT query) in my program,due to which TIME OUT dump occurs.plz help me to modify the code to reduce it's execution time.
code is:
DATA: at_seque_extref TYPE zprms_ord_ind OCCURS 0 WITH HEADER LINE.
SELECT (sv_fields) FROM zprms_ord_ind
APPENDING CORRESPONDING FIELDS OF TABLE at_seque
UP TO lv_max_sequs ROWS
WHERE process_type IN lr_process_type
AND posting_date IN lr_pos_date
AND sol_date IN lr_sol_date
AND changed_at IN lr_chg_date
AND external_ref NE space
AND (ls_where)
AND ib_comp_network IN lr_ibc_netw
AND ib_comp_node IN lr_ibc_node
AND ib_comp_site IN lr_ibc_site
ORDER BY (iv_order_by).
CLEAR at_seque_extref.
LOOP AT at_seque.
IF at_seque-external_ref CP is_bus_trans_search-external_ref .
MOVE-CORRESPONDING at_seque TO at_seque_extref.
APPEND at_seque_extref.
ENDIF.
ENDLOOP.
CLEAR at_seque[].
*the table at_seque[] type zprms_ord_ind
Or plz suggest me check points to reduce it's execution time.
Hi Ahmed,
Rarther going to appending go for into corresponding field of table at_seque.
Also check the primary key combination before selecting any data into where condition.
Remove that NE condition from where clause because some time it will take time to extract data. GO for delete statement into at_seque after select statement.
This will definitely work.
<b>Rewards points if useful.</b>
Regards,
Kinjal
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good
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chk this link
http://www.thespot4sap.com/Articles/SAPABAPPerformanceTuning_PerformanceAnalysisTools.asp
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www.sap-img.com/abap/ performance-tuning-for-data-selection-statement.htm
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System calls/s 982 Context switches/s 1752
Interrupts/s 4528
Memory
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Pages out/s 211 Kb paged out/s 1688
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Free in swap-space Kb 21631032 Actual swap-space Kb 26869896
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Utilization 2 Queue 0
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System: sapretail_RET_01 Profile Parameters for SAP Buffers
Date and Time: 08.01.2009 13:27:54
Buffer Name Comment
Profile Parameter Value Unit Comment
Program buffer PXA
abap/buffersize 450000 kB Size of program buffer
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|
CUA buffer CUA
rsdb/cua/buffersize 3000 kB Size of CUA buffer
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zcsa/db_max_buftab 5000 Max. number of buffered objects
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rsdb/obj/mutex_n 0 Number of mutexes in Export/Import buffer
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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
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Short nametab (NTAB) SNTAB
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abap/heaplimit 40000000 Byte Workprocess restart limit of heap memory
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Statistic parameters
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select werks from t001w into corresponding fields of table t_t001w .
select matnr werks from marc into corresponding fields of table t_marc.
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or 'DE44'
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or 'US62'
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append wa_message to t_message.
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when others.
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wa_PLANTDATA type BAPI_MARC,
wa_PLANTDATAx type BAPI_MARCX.
wa_headdata-MATERIAL = wa_table-PartNumber.
wa_PLANTDATA-plant = wa_table-HostLocID.
wa_PLANTDATAX-plant = wa_table-HostLocID.
wa_PLANTDATA-REORDER_PT = wa_table-ROP.
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Edited by: kishan P on Sep 17, 2010 4:50 PMHi Peter,
I would suggest few changes in your code. Please refer below procedure to optimize the code.
Steps:
Please run SE30 run time analysis and find out if ABAP code or Database fetch is taking time.
Please run extended program check or code inspector to remove any errors and warnings.
Few code changes that i would suggest in your code
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where ever you have used read table. Please sort these tables and use binary search.
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Have a nice day
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create or replace
FUNCTION AddLuhnToIMEI_fast (LuhnPrimitive VARCHAR2)
RETURN VARCHAR2
AS
Index_no pls_Integer;
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Plus pls_Integer;
rest pls_integer;
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RETURN ReturnLuhn;
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/My tests gave an improvement for about 40%.
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Edited by: Sven W. on Mar 9, 2011 8:11 PM -
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IF NOT wa_vbap-cuobj IS INITIAL.
CALL FUNCTION 'VC_I_GET_CONFIGURATION'
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TABLES
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EXCEPTIONS
instance_not_found = 1
internal_error = 2
no_class_allocation = 3
instance_not_valid = 4
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wa_char-atwrt = it_config-atwrt.
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ENDIF.
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wa_char-atwrt = it_config-atwrt.
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CLEAR wa_char.
ENDIF.
READ TABLE it_config WITH KEY atnam = 'IND_CALCULATED_INST_HOURS'.
IF sy-subrc = 0.
wa_char-obj = wa_vbap-cuobj.
wa_char-atnam = it_config-atnam.
wa_char-atwrt = it_config-atwrt.
APPEND wa_char TO it_char.
CLEAR wa_char.
ENDIF.
ENDIF.
ENDIF.
ENDLOOP. " End of loop on it_vbap
Edited by: jaya rangwani on May 11, 2010 12:50 PM
Edited by: jaya rangwani on May 11, 2010 12:52 PMHello Jaya,
Will provide some point which will increase the performance of the program:
1. VBAK & VBAP are header & item table. And so the relation will be 1 to many. In this case, you can use inner join instead multiple select statement.
2. If you are very much confident in handling the inner join, then you can do a single statement to get the data from VBAK, VBAP & VBKD using the inner join.
3. Before using for all entries, check whether the internal table is not initial.
And sort the internal table and delete adjacent duplicates.
4. Sort all the resultant internal table based on the required key fields and read always using the binary search.
You will get a number of documents where you can get a fair idea of what should be done and what should not be while doing a program related to performance issue.
Also you can have number of function module and BAPI where you can get the sales order details. You can try with u2018BAPISDORDER_GETDETAILEDLISTu2019.
Regards,
Selva K. -
Performance tuning for new OFMW environment
Hello
We have just set up a new UAT environment entirely on all Oracle FMW latest products which includes:
1) OS -RHEL V5
2) WebCenter
3) SOA Suite
4) Database
5) IDM
6) HTTP Server
7) WebLogic Server
As as post infrastructure setup plan we need to to performance tuning as well. Shall we do only WLS performance tuning or we need to tune each and every product in order to get optimum results.
Any guide? resource to help?
Pls advice
Regards
DevWhen you install the product soa-suite (and probably webcenter too) a prerequisite check is performed
that gives information about packages and parameters that need to be adjusted on your operating system.
For products that run on WebLogic Server you probably have to tune the JVM, examples can be found here:
- http://middlewaremagic.com/weblogic/?p=6930 (discusses JRockit)
- http://middlewaremagic.com/weblogic/?p=7083 (focuses on Coherence, but the considerations can be applied to other environments as well)
Examples that set-up the SOA-Suite can be found here:
- http://middlewaremagic.com/weblogic/?p=6040 (discusses considerations when installing the SOA suite)
- http://middlewaremagic.com/weblogic/?p=6872 (discusses considerations when adding the web-tier to the SOA suite)
The enterprise deployment guides can help too:
- SOA Suite: http://download.oracle.com/docs/cd/E21764_01/core.1111/e12036/toc.htm
- WebCenter: http://download.oracle.com/docs/cd/E21764_01/core.1111/e12037/toc.htm
These also contain sections on integration with Oracle Identity Management and the Oracle HTTP Server
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