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Step by Step Guide to Archiving and Deleting of XML Messages in SAP NetWeaver PI
Applies to: SAP NetWeaver Process Integration 3.0 / 7.0 / 7.1.
Summary This document explains the step by step procedure of archiving and deleting of XML messages in SAP NetWeaver Process Integration. The document covers the archiving and deleting procedure only at Integration Engine level (ABAP Stack). Author:
Netrey R. Powdwal
Company: Tata Consultancy Services Created on: 27 August 2010
Author Bio Netrey is SAP NetWeaver PI Consultant from Tata Consultancy Services. He has 4 years of experience in the industry with SAP ABAP and Process Integration expertise.
Step by Step Guide to Archiving and Deleting of XML Messages in SAP NetWeaver PI
Introduction: Problem statement: Tables that store the XML messages in PI are rapidly growing and you are running out of disk space. As a temporary measure, you increased the table space, but this is afterall a temporary solution. The disk space is limited and if you go on increasing the disk space like this then you will run out of the entire disk space soon and it will affect the performance of the system badly. It might also bring the entire PI system down and all message transfers will come to halt. The growing table space is a serious threat to the system and you need to quickly find a solution to clear the XML messages and reduce the disk space usage. Preparations: Before we start the configuration, it’s a good idea to note down the current status of the system. i.e. current table space comsumption so that we can compare the results after archiving and deleting to see the reduction in table space. For this, go to transaction SARA, enter the archiving object BC_XMB and click on Database Tables button. Select All Tables radio button and click on Space Statistics button to see the table space statistics. Note: As mentioed earlier, this document deals with messages at Integration Engine level only. It does not involve handling of messages at Java stack (Adapter Engine). The main tables that grow rapidly with growing traffic in PI are,
Go to transaction SE11 and open these tables and check the Number of Entries in each of these. Program RSXMB_DEL_TO_ARCH: This is a very useful program. There are mainly 2 types of messages in PI; messages that are marked for archiving and those marked for deletion. By default, the message will be marked for deletion. We need to explicitly confiture interfaces so that those messages will be marked for archiving. This configuration needs to be done even before sending the very first message in PI. If this configuration is not done already then all messages in PI will be marked for deletion. We can use the program RSXMB_DEL_TO_ARCH to change the deletion flag of these message to archiving flag. Note that this action is irreversible. Field ITFACTION of the table SXMSPMAST stores the flag. We can check this table after executing the program to see if the flag has been updated properly. This program takes a great amount of time to execute depending on the amount of messages that are read as per input criteria. It is recommended to run this program in background. Also, enter the maximum possible value in Maximum Runtime (s) parameter (E.g. 86,400 seconds). Do not forget to remove the Test Mode checkbox before executing.
Step by Step Guide to Archiving and Deleting of XML Messages in SAP NetWeaver PI
Configuration: Now we come to the actual configuration part. Follow the given path to reach the following screen. SPRO > SAP Reference IMG > Cross Applicaton Components > General Application Functions > Mass Data Archiving > Cross-Archiving Object Customizing Check if all the settings are as per shown in the screen below. Cross-Object Customizing Data Archiving: Details
Step by Step Guide to Archiving and Deleting of XML Messages in SAP NetWeaver PI
Global path for archiving files: Now follow the below path to configure the archive file settings. SPRO > SAP Reference IMG > Cross Applicaton Components > General Application Functions > Mass Data Archiving > Create Logical File Path Here I have created a logical file path ARCHIVE_GLOBAL_PATH
Assignment of physical path to logical path: Once we create a logical path, it has to be assigned to the physical path on the disk. Click on ‘Assignment of Physical Paths to Logical Path’. Mention the physical path as shown below. is a placeholder which will contain the actual file name at runtime.
Step by Step Guide to Archiving and Deleting of XML Messages in SAP NetWeaver PI
Logical file name definition: cross client Click on ‘Logical File Name Definiton’ to specify the file name format for the archive file. I have created a file with the format ___