CBW NLS IQ High Speed Query Access to Database and Nearline Storage Speed up Your SAP BW Queries with Column-based Technology Dr. Klaus Zimmer, PBS Software GmbH, 2012
Agenda Motivation Nearline Storage in SAP BW Architecture Column-based IQ and CBW NLS Retrieval Success Seamless Access to NLS, Archive and Database Feedback from Customers Summary and Outlook 2 PBS CBW NLS IQ Nearline Storage Solution for SAP BW
Challenges in Today s SAP BW SAP BW Rapidly growing BW database Poor retrieval performance Growing maintenance/admin overhead Database, SAP HANA Increasing TCO 3 PBS CBW NLS IQ Nearline Storage Solution for SAP BW
Nearline Storage Goals Reduce & control DB size and growth Speed up query response time Simplify backup, DR, maintenance Seamless query access and data flow 4 PBS CBW NLS IQ Nearline Storage Solution for SAP BW
CBW NLS Nearline Storage Solution for BW End user query Nearline Repository - IQ - SAP NLS Nearline Storage Interface PBS CBW Nearline Services BW Database SAP HANA Classical ADK Storage SAP Archive Files PBS Indexes/Aggregates 5 PBS CBW NLS IQ Nearline Storage Solution for SAP BW
Column-based Architecture Classical row-based Database Column-based Database A1 A2 A3 A4 A5 A... B1 B2 B3 B4 B5 B... B2 B5 C1 C2 C3 C4 C5 C... B3 B...... B1 B4 Data is stored horizontally in rows Reporting is very I/O-intensive No effective analyses / reporting Data is stored vertically in columns Intrinsic indexing Effective data access with few I/O 6 PBS CBW NLS IQ Nearline Storage Solution for SAP BW
Features of the CBW Nearline Repository IQ Effective NLS data transfer very fast load process into IQ Column-based DB technology no aggregates or indexes Excellent for large data volumes Huge data compression (up to 90% and more) Very fast especially with huge data load Suitable for very large InfoCubes and systems with many queries Suitable for ad-hoc queries with nearline access Very low administration effort 7 PBS CBW NLS IQ Nearline Storage Solution for SAP BW
CBW NLS IQ System Landscape SAP BW Server PBS CBW NLS Server Nearline Repository SAP Gateway CBW NLS IQ PBS CBW NLS IQ Server Instance Sybase IQ Database Instance CBW is perfectly integrated into the SAP nearline storage interface NLS in the SAP BW system CBW interface components control the communication between the SAP system and the CBW NLS nearline repository Sybase IQ. 8 PBS CBW NLS IQ Nearline Storage Solution for SAP BW
Platforms and Hardware Requirements Supported platforms and operating systems Supported Sybase IQ version from 15.x IBM-AIX, HP-UX, Linux, Sun Solaris, Microsoft Windows Server Minimum Test Hardware 4 Core CPU 16 GB RAM* 130 GB+ HDD Minimum Prod. Hardware 8 Core CPU 32 GB RAM* 130 GB+ HDD * exclusively reserved for Sybase IQ usage 9 PBS CBW NLS IQ Nearline Storage Solution for SAP BW
IQ Admin Efforts Standard nearline operation Monitoring and customizing directly from the SAP frontend Backup of nearline storage (Sybase IQ): Full, incremental, incremental since full; virtual, offline OS level Backup of CBW IQ interface (OS level backup) No index and aggregate modeling Tuning options for the nearline repository Hardware: Add CPU and main memory as needed Software: dedicated indexes for improved IQ operation 10 PBS CBW NLS IQ Nearline Storage Solution for SAP BW
Data Transfer to Nearline Storage SAP Nearline Storage Interface: Data Archiving Process "DAP" Cubes DSO PSA BW Database DAP IQ Nearline Storage NLS using IQ Compression 90% Fast data transfer Dedicated PBS PSA Archiving 11 PBS CBW NLS IQ Nearline Storage Solution for SAP BW
SAP DAP (i) Data Archiving Process - set up and customized via the Workbench: T-RSA1 12 PBS CBW NLS IQ Nearline Storage Solution for SAP BW
SAP DAP (ii) Create and maintain a data archiving request 13 PBS CBW NLS IQ Nearline Storage Solution for SAP BW
Query Access Example: Query which compares data of the current year with the previous. Current year s data in the SAP BW database, data of previous year in nearline storage (IQ), accessible via the SAP nearline interface and PBS CBW NLS: Current year (BW DB) Previous year CBW NLS IQ Set NLS flag to enable query access to archive/nearline data 14 PBS CBW NLS IQ Nearline Storage Solution for SAP BW
CBW Architecture Query access NLS and DB MultiProvider VP MultiProvider integration via VirtualProvider InfoCube DataStore Object SAP Nearline Provider PBS Nearline Services BW Database SAP HANA NLS Repository IQ 15 PBS CBW NLS IQ Nearline Storage Solution for SAP BW
CBW Administration Cockpit Administrator s frontend to set up and maintain the CBW infrastructure Select the InfoProvider Generate InfoProvider for MultiProvider integration. Data Browser and NLS Monitor for flexible maintenance and test options 16 PBS CBW NLS IQ Nearline Storage Solution for SAP BW
Create a VirtualProvider for MP Integration The VirtualProvider is generated via a straight process directly from the CBW Administration Cockpit 17 PBS CBW NLS IQ Nearline Storage Solution for SAP BW
CBW Master Data Snapshots BW Query DSP Data Snapshot Process Characteristics Key Figures DAP BW Database SAP HANA MD Attributes Hierarchies DSP NLS Repository IQ InfoProvider <JOIN> Master Data Hierarchies 18 PBS CBW NLS IQ Nearline Storage Solution for SAP BW
CBW Master Data Snapshots The setup and maintenance for PBS snapshots for master data and hierarchies is controlled via the CBW Administration Cockpit Integrate updates /synchronization for snapshots into process chains: 19 PBS CBW NLS IQ Nearline Storage Solution for SAP BW
NEW: InfoCube/DSO Snapshots Replicate BW data with PBS DSP, e.g. to compare query performance Original Query Copied Query MultiProvider MultiProvider VP VP VP BW Database SAP HANA Data Snapshot Process NLS Repository IQ 20 PBS CBW NLS IQ Nearline Storage Solution for SAP BW
Customer Experience One of the first PBS CBW NLS IQ customers reported excellent results: DAP performance storing data in the nearline repository (IQ): Transfer rate depends on data structures: 6 million records/h up to 15 million records/h Data compression in the nearline repository (IQ): Typical range: 88 % - 95 % Query response time: Few seconds (NLS IQ) instead of minutes (online DB) 21 PBS CBW NLS IQ Nearline Storage Solution for SAP BW
Customer Success Query Performance InfoCube with 17 million records Online DB with-w/o aggregates Runtime improvement for NLS retrieval using IQ 400 200 x 26 DB no aggregates DB with aggregates CBW NLS IQ x 4 0 416 s 71 s 16 s 22 PBS CBW NLS IQ Nearline Storage Solution for SAP BW
Summary Flexible query access to nearline/archive data for InfoCubes and DSO Effective storage due to large data compression Setup of nearline data and access with minimal administration efforts Integration of IQ technology into SAP BW Very low IQ management efforts and costs Additional features: PSA archiving and data extraction (Audits) 23 PBS CBW NLS IQ Nearline Storage Solution for SAP BW
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