507 Real-time Challenges Migration Suite on SAP HANA V2.3 - 2014
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Transcript of 507 Real-time Challenges Migration Suite on SAP HANA V2.3 - 2014
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Orange County Convention Center
Orlando, Florida | June 3-5, 2014
Real-time Challenges ‒ Migration to SAP Business Suite powered by SAP HANA Praveen Sabbavarapu, ProSoft Technology Group
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Why SAP Business Suite on SAP HANA?
Challenges in Migration to Suite on SAP HANA
Migration Options to Choose from & Dual Stack
SAP Business Suite Powered by SAP HANA POC
Scope
Tests & Results
Key Considerations
Partnerships
Q&A
LEARNING POINTS
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ProSoft Technology Group
Founded in 1995 Presence across US, Canada and India
Inc. 500 Fastest Growing Companies
(2005, 2006, 2007, 2008, 2011)
Industry Focused Expertise
• Retail
•Consumer Products
•Manufacturing
•Wholesale Distribution
350 + Associates Globally
Management Consulting + Technical Delivery Experience
Industry Retail Manufacturing
Technology ECC
CRM
SAP Life Cycle Phase 2+
SCM PLM
PI EP
Wholesale Distribution
HANA
Mobility
E-Comm
BA
Consumer Products
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Why SAP Business Suite on SAP HANA?
SAP HANA is a Next Gen Business Platform leveraging in-memory technology
Brings transactions and analytics together
Dramatically increases the performance of applications
Gives ability to handle structured and unstructured data
Reporting can be done without latency
Open Architecture
Simplification of IT delivery processes
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Initial Steps
Budget Business Case Trusted Partnership
Planning
Optimized Sizing & Infra On-premise Vs Cloud Right Migration Strategy
Execution
Manage Downtime Unicode & Dual Stack Split Code Optimization Cutover
Challenges
Initial Steps
Planning
Execution
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Application Server
There should be no change to the existing Application Server Sizing
If it is a Greenfield migration/implementation, sizing should be done exactly same as traditional non-HANA application server sizing
Usually about 0% - 5% increase in CPU, Memory and Disk Refer to SAP Note: 1723135 - Resource requirements for SAP
ERP Central Component 6.0 EHP6 (for upgrade considerations)
Sizing
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HANA Appliance Memory
If CR is >= 4:1 then HANA Appliance Memory size = ½ source database uncompressed size + 20% + 10% + growth
If CR < 4:1 then HANA Appliance memory size = (½ source database uncompressed size + 20% + 10% + growth) x 2
Refer to cookbook: https://cookbook.experiencesaphana.com/bw/operating-bw-on-hana/hana-database-administration/monitoring-landscape/memory-usage/
Refer to SAP notes: 1793345 (for Greenfield) and 1872170 (ZNEWHDB_SIZE)
Sizing
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HANA Appliance CPU
The appliance is configured in such a way that the CPU power and the I/O capacity is sufficient.
For Parallel processing, SAP recommends a factor of 3 to 4 more CPU power
HANA Enterprise Search may require additional CPU resources
HANA Disk Space
SAP recommends to use half of the required disk space that is needed for the Business Suite for disk-based databases
If HANA Enterprise Search is used, an additional 20% disk space is recommended
Sizing
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High availability scenarios in a multi-node cluster with a standby-node are released for the Suite on HANA, but are restricted to the simplest case of two servers (one worker, one standby) only
Scale-out scenarios with multiple worker nodes to scale memory are not yet generally released for Suite on HANA. It is recommended to scale-up memory by using a hardware configuration that maximizes the available database memory
High Availability & Scaling
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SAP HANA Storage Replication
Synchronous Asynchronous Refer to the SAP Notes for certified solutions: 1755396 -
Released DT solutions for SAP HANA with disk replication
SAP HANA System Replication
Replication Modes
Synchronous
Synchronous in Memory
Asynchronous
Synchronous with Full Sync Option (SPS08)
Disaster Recovery
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Backup to file system on Linux
SAP HANA Database backup (data & database configuration files) using the Linux Cron Daemon or other scheduling tools: 1651055 - Scheduling SAP HANA Database Backups in Linux
Backup with third party tools
We can install the third party backup tools in the HANA appliance after meeting the prerequisites.
SAP Notes: 1730932 - Using backup tools with Backint for HANA
Backup
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SAP HANA Appliance
SAP HANA: Infra Subscription
SAP HANA: Cloud Platform
SAP HANA Enterprise Cloud
SAP HANA on VMWare
Provider Certified H/W (IBM, HP, Dell, Cisco, Hitachi etc.)
AWS SAP SAP TDI & Certified H/W (vSphere)
Licensing Perpetual BYOL Monthly subscription; license included
BYOL Perpetual
Use case For Real-time transactions and analytics
Quick provisioning of H/W for trials, Prototypes, DEV, QAS & PRD
Extension to cloud and on premise applications (e.g. SAP SuccessFactors)
SAP Business Suite on HANA; SAP BW on HANA; Custom Applications
For Real-time transactions and analytics
Tech. Spec. Single and Multi node available
SAP offers 128 GB, 256 GB, 512 GB, 1 TB AWS
Variety of packages ranging from 1GB to 750GB data
Customized to customer requirements
Single and Multi node available
Deployment Options
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Appliance Vs TDI Deployment Model
Fast Implementation
Standardized and highly optimized
Preconfigured hardware set-up
Preinstalled software package
Fully supported by SAP
More flexibility
Reuse existing hardware components and
operation processes
Save IT Budget and existing investment
Customer should get HANA installed
Customer aligns with the hardware partner
on individual support model
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The following are the Four approaches to migrate your SAP Business Suite on to SAP HANA.
In-place Migration Copy -> Upgrade -> Migrate New Installation (Greenfield) DMO (Database Migration Option) – this combines upgrade &
database migration in one step
There are two steps to migrate your existing SAP Business Suite on to SAP HANA (for options 1 & 2):
Update to the latest SAP HANA and Netweaver enhancement packs.
Migration from any database to SAP HANA; i.e., export from any database and import to SAP HANA.
Migration Approach
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Business value, system performance & hardware cost reduction
Evaluate business value and system performance of key transactions
MRP use-case
Price book creation use-case
Post goods issue (PGI) use-case
SAP HANA-Live analytics instead of SAP BW on SAP HANA
Mobility users’ impact on PRD live system performance
Determine how we may improve PRD performance as we add more burden to the system
Develop a business case
SAP Business Suite on SAP HANA POC: Scope
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Optimization
SAP delivered optimizations (2), Optimizations of custom code (2), Custom OLTP reporting based on SAP HANA Live content (1)
System used: SAP ERP 6.0 EHP6 SP02 (for SAP HANA) on SAP HANA Rev 60
Client copy and data volume challenges
Determine a method & tool to enable a 1-day PRD client copy Maintain data, configuration, and code integrity About 9TB PRD into 2TB HANA appliance Different support packs
SAP Business Suite on SAP HANA POC: Scope
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ProSoft System Installation
Installed a SAP Business Suite on SAP HANA system (incl. SP01)
Attunity Gold Client Solutions
Targeted and copied data specifically focused on test cases
Brought across client independent custom objects (Z Tables & Programs)
Configuration, programs, and master/transactional data copied from the customer’s live system into EHP6.16
Volume of data moved, only 500 GB
SAP Business Suite on SAP HANA POC: Setup
PRD
Older Support Package
9 TB
Suite on HANA
Select Transactional and Master Data
Repository Custom Objects
500 GB
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Suite on SAP HANA POC: Initial Tests
Test parameters and measurement details
Only the main elements of active MRP code were ported to the Suite on HANA system
The MRP code was 10% optimized on HANA
105,000 relevant products
MRP run modifies up to ~90K purchase requisitions in each systems for each plant
Several runs with different parameters performed to avoid accidental results
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We ensured apples-apples test comparisons for optimized MRP functionality between a test environment that matched the productive system and the Suite on HANA system
Performance
Results vary with parameters however MRP on HANA was found to be consistently faster than on the test baseline system
The optimized code on HANA executed 10X faster than the test baseline
Total performance gain of up to 20%
Suite on SAP HANA POC: Initial Results
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Benchmark SAP delivered optimizations relevant for the customer
Standard Customer Line Item Browser (FBL5H) – Execution times improved by a factor of 6K
Billing Condition Report based on SAP HANA Live content
Current situation: Not able to generate report on non-HANA production system
Proof point: Various end user reporting requirements proved with ~7M records in conditions table, about multiple millions in Billing Items table
Suite on SAP HANA POC: Final Results
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Optimization of custom transaction & code in user exit
Custom program result list – Execution times improved by factor of 3
Optimized custom code in SD pricing user exits - Identified and performed optimizations on custom code, considerable optimization potential in standard code identified
Execution time still almost same as there was very little optimization potential in custom code
Suite on SAP HANA POC: Final Results
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We can trust the technology
The HANA technology works better than expected Realize value quickly through a “crawl, walk, run” approach Gain business trust quickly
Key Considerations
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HANA is an inelastic experience
Organizational change occurs as capabilities increase Enhanced decision-making A different way of implementation (scrum/Agile vs. ASAP)
Key Considerations
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Be prepared to go faster than you’re comfortable
Transaction speed increases value Organizational speed increases and job descriptions change Implementation speed is in weeks/months
Key Considerations
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Partnerships
Hosting ProSoft, as a trusted partner, hosted the customer’s SAP
Business Suite on SAP HANA Servers
Technical Services ProSoft provided Basis and ABAP Optimization Services for the
SAP Business Suite on SAP HANA Ramp-Up project
Attunity Gold Client Solutions targeted select production data and imported it into SAP Business Suite on SAP HANA
It will help you create & win the business case /budget if you enter into a trusted partnership for a Test Drive/POC with a Systems Integrator.
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1865866 - SAP EHP 7 for SAP ERP 6.0 - Release Information
706478 - Preventing Basis tables from increasing considerably
1774566 - SAP Business Suite – Restrictions
1730998 – Un-recommended versions of backup tools
1761546 - SAP ERP powered by SAP HANA – Optimizations
1875197 - Using DMO of SUM for SAP Business Suite systems
1813548 - Database Migration Option (DMO) for Software Update Manager
SAP Notes
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FOLLOW US
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THANK YOU
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