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Rda   step by step Rda step by step Document Transcript

  • RDA – Step by Step Applies to: This article is applicable to all SAP BI Consultants interested in exploring new functionalities of SAP BI7.0. For more information, visit the EDW homepage. Summary Using new functionality of Real-time Data Acquisition (RDA) with the Net Weaver (BI) 2004s system we can now load transactional data into SAP BI system every single minute. If your business is demanding real-time data in SAP BI, you should start exploring RDA. Author: Naoman Daulatabad Company: TCS, Kolkata Created on: 16 September 2010 Author Bio Naoman Daulatabad is Senior SAP BI consultant with four years of IT experience and mostly involved in implementing Business Intelligent system in Utility Industries for European Clients. SAP COMMUNITY NETWORK © 2010 SAP AG SDN - sdn.sap.com | BPX - bpx.sap.com | BOC - boc.sap.com | UAC - uac.sap.com 1
  • RDA – Step by Step Table of Contents Introduction: ........................................................................................................................................................ 3 Daemon: ............................................................................................................................................................. 4 Prerequisites: ...................................................................................................................................................... 5 Procedure: .......................................................................................................................................................... 6 Related Content: ............................................................................................................................................... 12 Disclaimer and Liability Notice .......................................................................................................................... 13 SAP COMMUNITY NETWORK © 2010 SAP AG SDN - sdn.sap.com | BPX - bpx.sap.com | BOC - boc.sap.com | UAC - uac.sap.com 2
  • RDA – Step by Step Introduction: Using new functionality of Real-time Data Acquisition (RDA) with the Net Weaver (BI) 2004s system we can now load transactional data into SAP BI system every single minute. If your business is demanding real-time data in SAP BI, you should start exploring RDA. The source system for RDA could be SAP System or it could be any non-SAP system. SAP is providing most of the Standard Data Sources as real-time enabled. Here is the difference between the Standard Data Acquisition and Real Time Data Acquisition. We can transfer the data from the source system to the entry layer of the BI (PSA) in two ways: Using a Web service: You use the Web service to write the data from the source into the PSA. The transfer of data is controlled externally, without a request from BI. Only an InfoPackage (for full upload) is required to determine specific parameters for real-time data acquisition. Using a service API: Data from an SAP source system can be loaded into the PSA using an InfoPackage created specifically for this purpose. This is triggered when the delta queue in the source system requests data. You have to simulate the initialization of the delta process for the DataSource beforehand. SAP COMMUNITY NETWORK © 2010 SAP AG SDN - sdn.sap.com | BPX - bpx.sap.com | BOC - boc.sap.com | UAC - uac.sap.com 3
  • RDA – Step by Step Daemon: It is a background process that processes the Info Packages and data transfer processes assigned to it at regular intervals. Controlling the Daemon Processes: Transaction RSRDA A daemon is: a system process that performs a specific task at regular intervals. The SAP NetWeaver BI daemon performs three steps (depending on the chosen scenario): 1. It triggers the service API (SAPI) to transfer data using an InfoPackage for real-time data acquisition to the PSA. 2. It tracks the status of the data transfer from the source system. 3. It triggers the update of the data to the DataStore object using the DTP for real-time data acquisition. The successful execution of the three steps is reproduced in a control table (confirmation table). SAP COMMUNITY NETWORK © 2010 SAP AG SDN - sdn.sap.com | BPX - bpx.sap.com | BOC - boc.sap.com | UAC - uac.sap.com 4
  • RDA – Step by Step Prerequisites:  The DataSource must support real-time data acquisition.  One of the possible properties of Web service DataSources and DataSources from SAP source systems is the option of supporting real-time data acquisition. In the DataSource maintenance, the Extraction tabs under Real-Time displays this characteristic. DataSources from SAP source systems can be used for real-time data acquisition if the following prerequisites are met: 1. BI Content DataSources must support real-time data acquisition. 2. Generic DataSources must have set the real-time-enabled indicator in the settings for the generic delta. 3. Keep in mind that DataSources from SAP source systems can support real-time data acquisition only as of source systems with the BI service API level SAP NetWeaver 2004s (Plug-In Basis 2005.1). For real-time data acquisition, also keep in mind that you can only use Web service DataSources that you have specified using the (new) DataSource maintenance in BI.  You use the transformation between PSA and DataStore object and update the data from the PSA to the DataStore object with the data transfer process. SAP COMMUNITY NETWORK © 2010 SAP AG SDN - sdn.sap.com | BPX - bpx.sap.com | BOC - boc.sap.com | UAC - uac.sap.com 5
  • RDA – Step by Step Procedure: DataSource Creation in Source System: Create the generic data source in R/3 system with ‘Real Time Enable’ as shown in the following screen. To make Standard DataSource ‘Real Time Enable’ we need change it through ROOSOURCE table, for that we need to have Access key. Replicate the Generic DataSource under respective Application Component and activate this DataSource. Make sure that this DataSource is ‘Real Time Data Acquisition Supported ‘. This can be verified in the following screen. SAP COMMUNITY NETWORK © 2010 SAP AG SDN - sdn.sap.com | BPX - bpx.sap.com | BOC - boc.sap.com | UAC - uac.sap.com 6
  • RDA – Step by Step Create an InfoPackage for the above DataSource with ‘Initialize Delta Process’ . Create one DSO (Standard) which will be updated by Real Time Data Acquisition. Create Transformation for the above created DSO. Create DTP for the above created transformation with DTP Type ‘Real Time Data Acquisition’ as shown in the following screen. SAP COMMUNITY NETWORK © 2010 SAP AG SDN - sdn.sap.com | BPX - bpx.sap.com | BOC - boc.sap.com | UAC - uac.sap.com 7
  • RDA – Step by Step For above created DTP processing mode is ‘Processing Mode for Real Time Data Package’ as shown in the following screen. Create an InfoPackage for the RDA with ‘Real Time Data Time Acquisition InfoPack‘check box checked as shown in the following screen. In the processing tab of InfoPackage we enter the maximum time (Threshold value) for each request to open. Once that limit is cross RDA creates new request. The data is updated into data target ASAP it comes from Source System (~ 1 min), even though request will be open to take new record. SAP COMMUNITY NETWORK © 2010 SAP AG SDN - sdn.sap.com | BPX - bpx.sap.com | BOC - boc.sap.com | UAC - uac.sap.com 8
  • RDA – Step by Step Go to Schedule tab in the InfoPackage Screen and ‘Assign’. It will go to RDA monitor screen (T-code RSRDA) SAP COMMUNITY NETWORK © 2010 SAP AG SDN - sdn.sap.com | BPX - bpx.sap.com | BOC - boc.sap.com | UAC - uac.sap.com 9
  • RDA – Step by Step Create Daemon with following information. The above created InfoPackege will come under ‘Unassigned Nodes’. Assign the created Daemon to the Info Package. Now the InfoPackage will come under the assigned Daemon. Assign the DTP (With technical name) as shown in the in the following screen. SAP COMMUNITY NETWORK © 2010 SAP AG SDN - sdn.sap.com | BPX - bpx.sap.com | BOC - boc.sap.com | UAC - uac.sap.com 10
  • RDA – Step by Step Start the Daemon. Once you start the Daemon, you can check Open Request in PSA of DataSource or in RDA Monitor under InfoPackage also. SAP COMMUNITY NETWORK © 2010 SAP AG SDN - sdn.sap.com | BPX - bpx.sap.com | BOC - boc.sap.com | UAC - uac.sap.com 11
  • RDA – Step by Step Related Content: For more information, visit the Business Intelligence homepage Troubleshooting Real-Time Data Acquisition Real Time Data Acquisition RDA - Webinar Details Real Time Data Acquisition (RDA) Steps - Business Intelligence SAP COMMUNITY NETWORK © 2010 SAP AG SDN - sdn.sap.com | BPX - bpx.sap.com | BOC - boc.sap.com | UAC - uac.sap.com 12
  • RDA – Step by Step Disclaimer and Liability Notice This document may discuss sample coding or other information that does not include SAP official interfaces and therefore is not supported by SAP. Changes made based on this information are not supported and can be overwritten during an upgrade. SAP will not be held liable for any damages caused by using or misusing the information, code or methods suggested in this document, and anyone using these methods does so at his/her own risk. SAP offers no guarantees and assumes no responsibility or liability of any type with respect to the content of this technical article or code sample, including any liability resulting from incompatibility between the content within this document and the materials and services offered by SAP. You agree that you will not hold, or seek to hold, SAP responsible or liable with respect to the content of this document. SAP COMMUNITY NETWORK © 2010 SAP AG SDN - sdn.sap.com | BPX - bpx.sap.com | BOC - boc.sap.com | UAC - uac.sap.com 13