Flat Cube became default in SAP BW

Overview The following features have been optionally available in SAP BW on Microsoft SQL Server for several years: SQL Server Columnstore for BW cubes (as of SAP BW 7.0) See also https://blogs.msdn.microsoft.com/saponsqlserver/2018/04/26/columnstore-became-default-in-sap-bw Columnstore Optimized Flat Cube (as of SAP BW 7.4) The impact of these features is described in https://blogs.msdn.microsoft.com/saponsqlserver/2017/05/08/performance-evolution-of-sap-bw-on-sql-server. Customer experience showed, that using… Read more

Columnstore became default in SAP BW

Overview The following features have been optionally available in SAP BW on Microsoft SQL Server for several years: SQL Server Columnstore for BW cubes (as of SAP BW 7.0) Columnstore Optimized Flat Cube (as of SAP BW 7.4) See also https://blogs.msdn.microsoft.com/saponsqlserver/2018/04/26/flat-cube-became-default-in-sap-bw The impact of these features is described in https://blogs.msdn.microsoft.com/saponsqlserver/2017/05/08/performance-evolution-of-sap-bw-on-sql-server. Customer experience showed, that using… Read more

Very Large Database Migration to Azure – Recommendations & Guidance to Partners

SAP systems moved onto Azure cloud now commonly include large multinational “single global instance” systems and are many times larger than the first customer systems deployed when the Azure platform was first certified for SAP workloads some years ago Very Large Databases (VLDB) are now commonly moved to Azure. Database sizes over 20TB require some… Read more

SAP on SQL Server: General Update – January 2018

SAP and Microsoft are continuously adding new features and functionalities to the SAP on SQL Server platform. The key objective of the SAP on Windows SQL port is to deliver the best performance and availability at the lowest TCO and simplest operation. This blog includes updates, fixes, enhancements and best practice recommendations collated over recent… Read more

Improve SAP BW Performance by Applying the Flat Cube

Overview SAP released the Columnstore Optimized Flat Cube over two years ago. We want to give a brief explanation of the benefits and advantages of using the Flat Cube – and in consequence engage customers to apply it. The Flat Cube has many benefits, for example, improved BW query performance and faster Data Transfer Processes… Read more

Customer Experience with Columnstore on ERP

SAP released the report MSS_CS_CREATE a few months ago. Using this report, customers can create an additional Nonclustered Columnstore Index (NCCI) on any SAP ERP table. This has already been described here: https://blogs.msdn.microsoft.com/saponsqlserver/2017/04/13/using-columnstore-on-erp-tables. In the meanwhile, several customers tested this feature. They reported performance improvements for reporting scenarios using huge aggregations (see below). Other customers… Read more

Distributed Availability Groups extended

SQL Server 2016 supports distributed availability groups (AG) as additional HA feature of the engine. Today we want to show how this feature can be used to transfer near-real-time productive data around the globe. Based on Jürgens Blog about SQL Server 2016 Distributed Availability Groups we set up a Primary AG with the SAP Database (e.g…. Read more

New SQL Server 2016 functionality helps SAP supportability

Due to the combined effort of the SAP – Microsoft Porting group the SQL Server Development team added a new functionality to the SQL Server UPDATE STATISTICS command and to the way SQL Server automatically updates statistics. This new functionality enables the SAP customers on SQL Server to persist a sample rate of the manual… Read more

Customer experience with SAP BW FEMS-Pushdown

A few months ago we released a new SAP BW statement generator, which increases BW query performance for complex queries containing FEMS filters, see https://blogs.msdn.microsoft.com/saponsqlserver/2017/03/06/bw-queries-by-factors-faster-using-fems-pushdown. In the meanwhile, a few customers who tested the new feature, provided feedback to the “SAP on SQL Server development”. Based on this feedback, we further improved the performance of… Read more

Parallel Processing in SAP

New generations of CPUs do not provide any significant single-thread performance improvements. Instead, the number of logical CPU cores is increasing with each new CPU generation. You can significantly reduce the runtime of a task by running sub-tasks in parallel on many CPU cores. However, splitting a task into sub-tasks consumes additional resources (CPU and… Read more