Speed up sap download manager
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In the SAP First Guidance – Using the new DMO to migrate to BW on HANA is also mentioned, how to use the file SUM/abap/htdoc/ UPGANA.XML to optimize the runtime further. Overruling this via the manual setup of the file EUCLONEDEFS_ADD.LST is not possible. the Algorithm behind is smarter than you think. Whatever you will find out: You can trust the DMO optimization when it comes to the table splitting. ➕ DMO: background on table split mechanism The creation of the specific file location in the file SAPup_add.par in directory SUM\abap\bin become obsolete with the current Versions of the SUM Versions 1.0/2.0 (September 2020). – MIGRATE_DT_DUR.XML for the downtime migrationĬopy the above-mentioned XML-files directly to the download folder. – MIGRATE_UT_DUR.XML for the uptime migration, and The files are created in directory SUM/abap/htdoc/ and are called (create them beforehand, if you want to use the setting from the beginning) During a migration, SUM creates text files with the extension XML which contain the information about the migration duration for each migrated table. ℹ this can improve the downtime up to 50%, due to the more “aggressive” table splitting after the first run and the results in the XML files. The real durations are the best criteria, but they are only known after the migration of the tables.
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In other words, more criteria than just the table size have to be considered for the duration of a table migration. Although SUM does consider the table sizes for the migration sequence, other factors can influence the migration duration. SUM uses this data to optimize the performance of subsequent DMO runs on the same system.
#Speed up sap download manager update
You can provide the Software Update Manager with the information about table migration durations from a previous DMO run. Performance Optimization: Table Migration Durations The latest Version of the SUM/DMO executables – Įspecially Oracle RDBMS based Systems which covers the majority of our Customer base need to address with some Performance Improvements right from the beginning to ensure a stable and performant migration to BW on HANA despite it´s sizes or other challenges on the way. Beside the Availability of the SAP First Guidance – Migration BW on HANA using the DMO option in SUM (which is updated constantly …) Since the availability of the DMO functionality within the SUM framework at lot of things happened under the hood as well. – Note 2350730 – Additional Info – SAP BW 7.50 SP04 Implementation
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– Downtime minimization when upgrading BW systems – DMO: Handling table comparison checksum errors Last Changed: Q4/2020 Increasing the DMO performance