How can I improve my DTP performance?
- Disable the DTP ‘Semantic Grouping’ feature.
- Decrease the number of records per DataPacket.
- Use write optimised DataStores.
What is parallel extraction in DTP?
1. Parallel Extraction & Processing : As the mode-name suggests, it actually extracts the data & process the data parallel i.e. simultaneously. In this mode, all available processes extract the data parallel & as soon as extraction is completed the data processing starts.
What is semantic key in SAP BW?
Semantic Keys can be defined as standard keys in further target Data Store. The purpose of the semantic key is to identify error in the incoming records or duplicate records. All subsequent data records with same key are written to error stack along with the incorrect data records.
What is performance tuning SAP BW?
Performance tuning plays a key role in any BW system . With due course of time the Performance of the system in terms of Data Extraction, Data loading, Reporting etc. degrades. This can be due to number of reasons which can relates to Extraction, Modeling, Designing etc.
How do I change data packet size in InfoPackage?
You can tune the packet size on each InfoPackage also. When you open the InfoPackage in BI, on the right hand side, do a right click on the InfoPackage name and select “DataS. Default Data Transfer”. In the table that displays you can change the Maximum size of a data packet in rows.
How do I change data package size in DTP SAP BW?
In the DTP itself, under the Extraction tab, there is a option available to change the package size of the DTP.
How do I enable DSO in SAP BW?
- Go to transaction code RSA1. Click the OK button.
- Navigate to Modelling tab->Info Provider. Right click on Info Area. …
- Enter the Technical Name. Enter the Description. …
- Click on the Edit button of “Type of DataStore Object”.
- Choose the Type “Write-Optimized”. …
- Activate the DSO.
- Go to transaction code RSA1. Click the OK button.
- Navigate to Modelling tab->Info Provider. Right click on Info Area. …
- Enter the Technical Name. Enter the Description. …
- Click on the Edit button of “Type of DataStore Object”.
- Choose the Type “Write-Optimized”. …
- Activate the DSO.
What is corporate memory in SAP BW?
The corporate memory contains the complete history of the loaded data. This displays an intermediate layer. The data is posted to other DataStore objects (advanced) that serve as architected data marts. It is filled separately from the update in the architected data marts.
How can we improve BW query performance?
- Use Program RSR_CACHE_RSRV_CHECK_ENTRIES to remove the unused Cache entries.
- Using the Selection of Structure Elements activated. …
- There will be a significant improvement in performance using it if: …
- Steps: Go to RSRT –à Go to Query Properties.
- Use Program RSR_CACHE_RSRV_CHECK_ENTRIES to remove the unused Cache entries.
- Using the Selection of Structure Elements activated. …
- There will be a significant improvement in performance using it if: …
- Steps: Go to RSRT –à Go to Query Properties.
What is SAP tune?
Saptune is a configuration tool to prepare a system to run SAP workloads by implementing the recommendations of various SAP notes.
How can I improve my DTP performance?
- Disable the DTP ‘Semantic Grouping’ feature.
- Decrease the number of records per DataPacket.
- Use write optimised DataStores.
- Disable the DTP ‘Semantic Grouping’ feature.
- Decrease the number of records per DataPacket.
- Use write optimised DataStores.
How does SAP BW improve data loading performance?
- Load all master data.
- Delete the indices of the InfoCube and its aggregates.
- Turn on number range buffering.
- Set an appropriate data packet size.
- Load the transaction data.
- Re-create the indices.
- Turn off number range buffering.
- Refresh the statistics.
- Load all master data.
- Delete the indices of the InfoCube and its aggregates.
- Turn on number range buffering.
- Set an appropriate data packet size.
- Load the transaction data.
- Re-create the indices.
- Turn off number range buffering.
- Refresh the statistics.
What is package size in SAP ABAP?
Package size is the keyword used in ABAP statements while doing large data extractions. The package size keyword helps to create an internal table large enough to fit well into the memory.
How do I load a flat file in SAP BW?
- Key Fields:
- Data Fields:
- Step 1) Create source system for flat file.
- Step 2) Create Application component.
- Step 3) Create Data Source.
- Step 4) Create transformation between Data Source(Source) and DSO(Target).
- Step 5) Create Data Transfer Process.
- Key Fields:
- Data Fields:
- Step 1) Create source system for flat file.
- Step 2) Create Application component.
- Step 3) Create Data Source.
- Step 4) Create transformation between Data Source(Source) and DSO(Target).
- Step 5) Create Data Transfer Process.
How create adso in SAP BW Hana?
- Create new Data source object (Advanced). …
- In general tab, select Data acquisition/corporate Memory – compression capabilities layer and click on Apply Template. …
- Activate the ADSO. …
- Creation of Transformation.
- Create DTP under the created ADSO (CM)
- DTP is created .
- Create new Data source object (Advanced). …
- In general tab, select Data acquisition/corporate Memory – compression capabilities layer and click on Apply Template. …
- Activate the ADSO. …
- Creation of Transformation.
- Create DTP under the created ADSO (CM)
- DTP is created .
How do I start Saptune?
- To tune a system, first find a tuning solution. To find the appropriate solution, use: …
- To set up saptune with a preconfigured solution, use: # saptune solution apply SOLUTION. …
- To start saptune and enable it at boot, make sure to run the following command: # saptune service enablestart.
- To tune a system, first find a tuning solution. To find the appropriate solution, use: …
- To set up saptune with a preconfigured solution, use: # saptune solution apply SOLUTION. …
- To start saptune and enable it at boot, make sure to run the following command: # saptune service enablestart.
What does Saptune apply?
Saptune – part of SLES for SAP Applications – is a configuration tool to prepare a system to run SAP workloads by implementing the recommendations of various SAP notes.
How do I run a DTP error?
- Typical Error Message.
- Step 1: Change the DTP settings. …
- This helps isolate the bad records.
- Step 2: Double check your DTP temporary storage settings.
- Step 3: Execute your DTP so that the data with the errors is loaded again.
- Step 4: In the DTP monitor, after the load has finished and failed click on “error stack”.
- Typical Error Message.
- Step 1: Change the DTP settings. …
- This helps isolate the bad records.
- Step 2: Double check your DTP temporary storage settings.
- Step 3: Execute your DTP so that the data with the errors is loaded again.
- Step 4: In the DTP monitor, after the load has finished and failed click on “error stack”.
What is the use of open cursor in SAP ABAP?
The ABAP SQL statement OPEN CURSOR opens a database cursor for the result set of the main query defined after FOR and links a cursor variable dbcur with this database cursor. The results set of the main query can be read with the statement FETCH.
What is parallel processing in SAP ABAP?
Parallel processing is implemented in ABAP reports and programs, not in the background processing system itself. That means that jobs are only processed in parallel if the report that runs in a job step is programmed for parallel processing. Such reports can also process in parallel if they are started interactively.
What is DTP in SAP BW?
DTP determines the process for transfer of data between two persistent/non persistent objects within BI. As of SAP NetWeaver 7.0, InfoPackage loads data from a Source System only up to PSA. It is DTP that determines the further loading of data thereafter.