alm202 db2 9.7 luw for sap: the success story continues
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DB2 9.7 LUW for SAP:The Success Story Continues
Joachim Pfefferle, SAP CanadaMichael Gao, IBM Canada
Arndt Effern, SAP AG
November 2009
© SAP AG 2009. All rights reserved. / Page 2
Disclaimer
The information in this presentation is confidential and proprietary to SAP and may not bedisclosed without the permission of SAP. This presentation is not subject to your licenseagreement or any other service or subscription agreement with SAP. SAP has no obligation topursue any course of business outlined in this document or any related presentation, or todevelop or release any functionality mentioned therein. This document, or any relatedpresentation and SAP's strategy and possible future developments, products and or platformsdirections and functionality are all subject to change and may be changed by SAP at any timefor any reason without notice. The information on this document is not a commitment, promiseor legal obligation to deliver any material, code or functionality. This document is providedwithout a warranty of any kind, either express or implied, including but not limited to, the impliedwarranties of merchantability, fitness for a particular purpose, or non-infringement. Thisdocument is for informational purposes and may not be incorporated into a contract. SAPassumes no responsibility for errors or omissions in this document, except if such damageswere caused by SAP intentionally or grossly negligent.
All forward-looking statements are subject to various risks and uncertainties that could causeactual results to differ materially from expectations. Readers are cautioned not to place unduereliance on these forward-looking statements, which speak only as of their dates, and theyshould not be relied upon in making purchasing decisions.
© SAP AG 2009. All rights reserved. / Page 3
Agenda
1. DB2 Optimized for SAP Initiative
2. DB2 9.7 Features for SAPMore CompressionLOB InliningImproved Space ReclamationSimplified Migration to Automatic StorageEnhanced MonitoringOther DB2 9.7 Features
3. SAP BW / DB2 Near-Line Storage
© SAP AG 2009. All rights reserved. / Page 4
PartnershipJoint SAP and IBM teams working on all levels of the product
Product IntegrationOne product, one maintenance strategy, one-stop service
Technology InnovationJoint technology roadmap beyond 2010
SAP runs DB2SAP is a very satisfied DB2 customer
The four pillars of „DB2 Optimized for SAP“:
DB2 Optimized for SAP Initiative
© SAP AG 2009. All rights reserved. / Page 5
2005
2Q/05 NW 2004Streamlined installStreamlined adminInitial BI MDC expl.Auto storage EE
Version 8.2.2Automatic storage adminDeployment optimized for SAPTailored concurrency & perf improvements
1Q/07 NW 7.0Embedded databaseUnlimited scalabilityMinimal adminTCO (reduced storagecosts, self tuning)
Version 9.1Storage limits removedNear-0 admin
MemoryStorage
Selected Autonomic / TCO featuresCompression
2Q/08 NW 7.0 SR33Q/08 NW 7.0 EhP 1
Turn-key HA solutionPerf & TCO differentiators (MDC)Turn-key compressionPerformance WarehouseIntegrated Workload ManagementIntegrated MDC advisorDeferred Table Creation
Version 9.5Integrated & automatic HADRIntegrated Flash CopyTCO improvements
DPFMemory ManagementStatistics ManagementCompression
Perf improvements (eg MDC)Threaded ArchitectureDPF Scaling Improvements
2006
2007
2008
2009
20102010 based on NW 7.0
Integrated Nearline StorageTop-Down, Revamped MonitoringSignificant BI query performanceboostImproved MDC Advisory
Version 9.7360° MonitoringEven Deeper Deep Compression
40+% reduction in Indexes40+% reduction in TempsCompressed LOBs
Near-0 Storage AdminSimple MDC space reclaimEasy table space reclamationEase the path to Automatic Storage
Extending Online OperationsChange schema definitions onlineReorganization improvements
Extending Integrated HA+DR OS coverageBI query performance boost
DB2 Optimized for SAP Initiative
© SAP AG 2009. All rights reserved. / Page 6
Agenda
1. DB2 Optimized for SAP Initiative
2. DB2 9.7 Features for SAPMore CompressionLOB InliningImproved Space ReclamationSimplified Migration to Automatic StorageEnhanced MonitoringOther DB2 9.7 Features
3. SAP BW / DB2 Near-Line Storage
© SAP AG 2009. All rights reserved. / Page 7
DB2 9.7 Features for SAP
Version 8.2.2Version 8.2.2 Version 9.1Version 9.1 Version 9.5Version 9.5 Version 9.7Version 9.7
Deployment,Configuration,Administration
TCO reduction
BI & QueryPerformance
Supportability,Backup &Recovery, HA
SAP tuner (DB2_WORKLOAD =SAP)Automatic storage (single node)Auto extend DMS tablespacesUniform page-size
Silent Install (Windows)
MDC roll out – stage 1MDC roll inIndex heuristicsConcurrency enhancementsUniform page-size
Complete deadlock analysisOne-shot optimizer service toolOptimization guidelines
Silent install (Unix)Multiple DB2 deployments on thesame machineOne DB2 image serves all: Install,upgrade, patchInstallation free clientLarger index key partsLarger index names
Automatic configuration:IO cleaner, serverSelf tuning database globalmemoryDeep compressionAutomatic storage for DPF
SAP BI Optimizer enhancementsSort capacity cap
Resumable recoverRedirected restore script frombackup imageSQL access to list of required filesfor flash copyPre-packaged HA solution(2 node fail over)
Easy fixpack deploymentSA MP bundled and installed withDB2 on AIX and LINUX
Simplified configuration by multithreaded architectureAdvanced Memory Management :Automation for all memory areasAutomatic dictionary creation fordeep compressionSimpler space reclaim forautomatic storage and regularDMS
Real Time StatisticsImproved MDC roll out for fastdeletionAdvanced DPF MonitoringParallel index creation
HA Cluster Manager IntegrationAutomatic Backup/Log RetentionManagementSingle system view backup forDPF databasesEnhanced Backup using FlashCopy
TEMP table compressionIndex compressionMigration to Automatic StorageAutomatic MDC space reclaimLOB inlining (with compression)Support for LONG->LOB transition
Online REORG improvementsOnline Table MoveTablespace capacity increaseCompression support for replicatedtablesTablespace space reclaim belowHWM
Enhanced MonitoringDiagnostics improvements
Starjoin query improvementsDPF costing improvementsScan Sharing
© SAP AG 2009. All rights reserved. / Page 8
Agenda
1. DB2 Optimized for SAP Initiative
2. DB2 9.7 Features for SAPMore CompressionLOB InliningImproved Space ReclamationSimplified Migration to Automatic StorageEnhanced MonitoringOther DB2 9.7 Features
3. SAP BW / DB2 Near-Line Storage
© SAP AG 2009. All rights reserved. / Page 9
Index RID-List Compression
Index Prefix CompressionBBB
AAB
AAA
RIDsKey Value
CREATEINDEX I ON T (F VARCHAR(3) )
Index Page
0001
0002
0003
0005
0007
0008
0009
BBB
AAB
AAA
RIDsKey Value
0001
1
2
0005
2
0008
1
Index Pagewith RID List Compression
0008
0007
0006
0005
0003
0002
0001
RIDsKey Value
CREATE UNIQUEINDEX I ON T (F VARCHAR(3) )
Index Page
AAA
AAB
AAC
AAD
BBA
BBB
BBC
Index Pagewith Prefix Compression
0008
0007
0006
0005
0003
0002
0001
RIDsKey Value
AAA
B
C
D
BBA
B
C
DB2 Index CompressionIs a transparent feature of the DB2engine*Reduces index size of a SAP system by40% and moreReduces I/O data transfer and increasebuffer pool hit ratio of a SAP systemWorks for unique indexes andsecondary indexes as wellIs fully supported for all SAP releasesin standard and extended maintenance(>= 4.6D )Is default for tables with that are DB2row compressed*Is covered by the SAP OEM license forDB2 at no extra costs
* an index reorganization is required to compress existing indexes
DB2 9.7 Features for SAP –Index Compression (1)
© SAP AG 2009. All rights reserved. / Page 10
DB2 9.7 Features for SAP –Index Compression (2)
DB2 9.7 EarlyCustomer
DatabaseSize
Data CompressionRatio
Index CompressionRatio
Total DatabaseSaving
World leadingconstruction machinerymanufacturer, USA
725MB 72% 49% 68%
Global consumer andcommercial productmarketer, USA
1.4TB 58% 49% 56%
Haier Group, China -- -- 52% --
John Deere, China -- -- 58% --
Insurance Company,Germany
176GB -- 50% --
T-Systems, Germany 500GB 60% 73% 65%
Medical technologiescompany, USA
3.6TB -- 65% --
ERP Systems
BW Systems
With DB2 Compression you can reduce the sizeof your SAP system by 50% and more
DB2 Index and Row Compression Savings with RealCustomer Data
© SAP AG 2009. All rights reserved. / Page 11
DB2 9.7 Features for SAP –Index Compression (3)
GAFP1
Update 1
Update 2
Update 3Update 4
0
500
1000
1500
2000
2500
3000
Tim
e
DB2 9.7 Index compression GA/FP1
Update 1Update 2Update 3Update 4
CPU Utilization of Updates with Ixcomp
11.67
13.51
14.38
12.85
18.28
18.50
18.56
19.23
0.96
0.91
2.16
0.98
0.79
0.50
0.55
0.68
69.14
68.21
65.15
67.45
63.88
65.64
65.00
63.93
18.14
17.44
17.78
18.85
17.02
15.25
15.77
16.07
0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
Update1 no ixcomp
Update2 no ixcomp
Update3 no ixcomp
Update4 no ixcomp
Update1 with ixcomp
Update2 with ixcomp
Update3 with ixcomp
Update4 with ixcomp
user system idle i/o wait
CPU Utilization of Deletes with Ixcomp
9.95
10.41
9.95
9.69
11.25
13.85
14
14.01
1.18
1.22
1.40
1.18
0.84
1.44
1.19
1.17
66.91
69.35
68.57
66.13
67.25
67.39
68.12
65.46
22.08
19.10
20.32
23.14
20.69
17.47
16.91
19.56
0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
Delete1 no ixcomp
Delete2 no ixcomp
Delete3 no ixcomp
Delete4 no ixcomp
Delete1 with ixcomp
Delete2 with ixcomp
Delete3 with ixcomp
Delete4 with ixcomp
user system idle i/o wait
Performance improvementbetween DB2 9.7 GA an FP1Running four Update testsOn FP1 we have an average of 59%performance gain
CPU utilization on FP1Update tests (4 – 7% overhead)Delete tests (3 – 5% overhead)
© SAP AG 2009. All rights reserved. / Page 12
DB2 Temp Table CompressionIs a transparent feature of the DB2 engineReduce the amount of temporary disk space requiredWorks like DB2 Row Compression for large temporarytablesImproves query performance with large sort operations:
Reduces I/O data transfer for large sortsMore sorts can be processed in bufferpool
Is fully supported for all SAP releasesin standard and extended maintenance (>= 4.6D)Is default for SAP systemsIs covered by the SAP OEM license for DB2 at no extracosts
Table
Order By Order By
Temp Table Temp
Compression Dictionary
UncompressedRecords
CompressedRecords
x’01C‘
……..
Canada Ontario Toronto
….. …
WalldorfToronto2 Ontario MillerCanada
WalldorfToronto1 Ontario SmithCanada
1 x’01C‘ Smith
2 x’01C‘ Miller
DB2 9.7 Features for SAP –Temp Table Compression
© SAP AG 2009. All rights reserved. / Page 13
Agenda
1. DB2 Optimized for SAP Initiative
2. DB2 9.7 Features for SAPMore CompressionLOB InliningImproved Space ReclamationSimplified Migration to Automatic StorageEnhanced MonitoringOther DB2 9.7 Features
3. SAP BW / DB2 Near-Line Storage
© SAP AG 2009. All rights reserved. / Page 14
2K Byte
4
3
2
1
C1I
252BCREATE TABLE T1
( I INTEGER,C1 CLOB(1G) )
1K Byte
LOB Data PageTable Data PageDDL Statement
LOB Data PageTable Data PageDDL Statement
1K Byte
2K Byte
4
3
2
1
C1I
252B
CREATE TABLE T1
( I INTEGER,C1 CLOB(1G) )
DB2 LOB InliningIs a transparent feature of the DB2engine*Reduces LOB space in a SAP systemAllows buffering and compression ofLOB fieldsAccelerates access of small LOB fieldsand improves query performanceIs fully supported for all SAP releasesin standard and extended maintenance(>= 4.6D)Is default for SAP systems*
* a table reorganization/move is required to inline existing LOB fileds
DB2 9.7 Features for SAP –LOB Inlining
© SAP AG 2009. All rights reserved. / Page 15
DB2 9.7 Features for SAP –LOB Inlining with Compression
The total savings for the table (data+ LOBs) has increased from20% with data compression to 93% after inlining and compressionin the first case and from 7% to 82% in the second case.
SEOCOMPODF
0
200000
400000
600000
Size
in K
B
LOBs 390912 390912 2656
DATA 146656 38304 32448
1 2 3
APQD
0
50000
100000
150000
Size
in K
B
LOBs 112320 112320 19072
DATA 12480 3712 3840
1 2 3
© SAP AG 2009. All rights reserved. / Page 16
More LOBs will be used in future SAP releasesDB2 Migration from LONG to LOB data type
More LOBs are used by applications
ABAP DDICType
Non-Unicode
Bytes in datapage Unicode Bytes in data
page
LCHR CLOB(32K)LOGGED 120 CLOB(99K)
LOGGED 144
LRAW BLOB(32K)LOGGED 120 BLOB(32K)
LOGGED 120
STRG CLOB(1G)LOGGED 252 DBCLOB(512M)
LOGGED 252
RSTR BLOB(1G)LOGGED 252 BLOB(1G)
LOGGED 252
DB2 LOB Data Types as used with SAP
DB2 9.7 Features for SAP –LOB Inlining
© SAP AG 2009. All rights reserved. / Page 17
Agenda
1. DB2 Optimized for SAP Initiative
2. DB2 9.7 Features for SAPMore CompressionLOB InliningImproved Space ReclamationSimplified Migration to Automatic StorageEnhanced MonitoringOther DB2 9.7 Features
3. SAP BW / DB2 Near-Line Storage
© SAP AG 2009. All rights reserved. / Page 18
BBB
AAB
AAA
RIDsKey Value
Index Page
0001
0006
0003
0002
0004
0005
0009
0001
0002
0003
0004
0005
0006
Tablespace
BBB
AAB
AAA
OR RIDsKey Value
Index Page
0001
0002
0003
0004
0005
0006
0007
0001
0002
0003
0004
0005
0006
TablespaceRIDsOR RIDs
EMP Page
0001
0006
0003
0002
0004
0005
0009
0001
0002
0003
0004
0005
0006
0007
Normal DMS and AS TablespacesRIDs are pointing directly to datapagesMoving of data pages online withintablespace is impossible
Reclaimable DMS and AS TablespacesObject relative RIDs are pointing to EMPpages. Only EMP pages contain thephysical address of data pages.Moving of data pages online within atablespace is now possible.Fully supported by SAP’s DBA cockpitReclaimable tablespaces are default*
*existing tablespaces cannot be altered to be reclaimable
DB2 9.7 Features for SAP –Improved Space Reclamation
© SAP AG 2009. All rights reserved. / Page 19
CREATE DATABASE testdbCREATE TABLESPACE ts MANAGED BYAUTOMATIC STORAGECREATE TABLE t1(key int) IN tsCREATE TABLE t2 LIKE t1 IN tsCREATE TABLE t3 LIKE t1 IN ts
// Populate tables with records to achieveextent usage
DROP TABLE t1 // extents in FREE stateDROP TABLE t3 // extents in FREE state
ALTER TABLESPACE ts REDUCE MAX
Automatic Storage TablespacesALTER TABLESPACE <tsname> REDUCE [ <size>| MAX | STOP ]
DMS TablespacesALTER TABLESPACE <tsname> LOWER HIGH WATER MARK [ STOP ]ALTER TABLESPACE <tsname> REDUCE …
DropTable 1&3
Move
Extents
MoveExtents
MoveExtents
HWM
HWM
Step3 Step1Step2
HWM
DB2 9.7 Features for SAP –Improved Space Reclamation
LegendObject 1 FreeObject 2 TBSObject 3
© SAP AG 2009. All rights reserved. / Page 20
Agenda
1. DB2 Optimized for SAP Initiative
2. DB2 9.7 Features for SAPMore CompressionLOB InliningImproved Space ReclamationSimplified Migration to Automatic StorageEnhanced MonitoringOther DB2 9.7 Features
3. SAP BW / DB2 Near-Line Storage
© SAP AG 2009. All rights reserved. / Page 21
DB2 Automatic Storage (AS)Fully integrated into SAP installation and DBA CockpitGreatly reduce the effort of database administrationMore flexibility with DB2 9.7
DB2 9.7 New FeaturesAdd new AS paths to non AS Databases
ALTER DATABASE <dbname> ADD STORAGE ON<path1>, <path2> …Easy drop of existing AS paths, which are not used anymore for future database growing
ALTER DATABASE <dbname> DROP STORAGE ON<path1>, <path2> …
State of storage path changed: “In Use” “Drop Pending”Future growth on dropped paths will not occurEach affected tablespace must be rebalanced beforedropped path can be removed.
Start data rebalancing (online) to move existing data to the newAS paths
ALTER TABLESPACE <tsname> REBALANCE
DB2 9.7 Features for SAP –Enhanced Automatic Storage (1)
© SAP AG 2009. All rights reserved. / Page 22
DB2 9.7 Features for SAP –Enhanced Automatic Storage (2)
ALTER DATABASE<dbname> ADDSTORAGE ON<path1>, <path2> …
ALTER DATABASE<dbname> ADDSTORAGE ON<path1>, <path2> …
ALTER DATABASE<dbname> DROPSTORAGE ON<path1>, <path2> …
Firststripe set
Secondstripe
set
ExistingPaths
Path BeingAdded
C0 C1
C2 C3
C0 C1
C2 C3
C4
C5
/path1
/path2
/path3
/path1
/path2
/path3
Reb
alan
ce
Firststripe
set
ExistingPaths
Paths BeingAdded
C0 C1
Path BeingDropped
C0 C2 C3
/path1 /path2 /path3 /path1 /path3 /path4/path4
Reb
alan
ce
© SAP AG 2009. All rights reserved. / Page 23
Migration DMS Tablespaces to Automatic Storage (AS)
Enable AS for the database, if it is a non AS databaseALTER DATABASE <dbname> ADD STORAGE ON <path1>, <path2> …
Alternative 1: Use „Redirect Restore“ (offline operation)RESTORE DB <dbname> REDIRECTFor all tablespaces, which should be migrated to AS:SET TABLESPACE CONTAINERS FOR <tsnameID> USING AUTOMATIC STORAGERESTORE <dbname> CONTINUE
Alternative 2: Assign existing DMS tablespace to AS (online operation)ALTER TABLESPACE <tsname> MANAGED BY AUTOMATIC STORAGEALTER TABLESPACE <tsname> REBALANCEFully integrated into SAP’s DBA Cockpit
DB2 9.7 Features for SAP –Enhanced Automatic Storage (3)
© SAP AG 2009. All rights reserved. / Page 24
Agenda
1. DB2 Optimized for SAP Initiative
2. DB2 9.7 Features for SAPMore CompressionLOB InliningImproved Space ReclamationSimplified Migration to Automatic StorageEnhanced MonitoringOther DB2 9.7 Features
3. SAP BW / DB2 Near-Line Storage
© SAP AG 2009. All rights reserved. / Page 25
Enhanced DB2 9.7 Monitoring –New Database Features with GA and FP1
New „Time Spent“ monitorNew metrics for wait times, component times and countersimplemented as „light weight“ table functions on
System levelDatabaseDatabase partitionWLM Service class
Activity levelbased on SQL cache
New event monitorsLock event monitor: Deadlocks,
lock-timeouts, lock waits > x secondsPackage cache event monitorEvent monitor for UOW (not used within SAP)
New object metrics for tables, indexes (e.g. index access statistics),tablespaces, database containers (e.g. I/O read/write times), bufferpools
Lock Wait20%
SortProcessing
12%
BP Read Wait7%
BP Write Wait5%Log Write Wait
9%
CommitProcessing
7%
CompileProcessing
9%
FCM SendWait3%
FCM ReceiveWait7%
Others Wait7%
OthersProcessing
14%
z
More efficient and more powerful performance analysis and tuningLargest time consumers and wait times are easily visibleHistory for all important metricsSupport of problem-oriented performance tuning
© SAP AG 2009. All rights reserved. / Page 26
New monitoring features in SAP’s DBA cockpit based on DB2 9.7 GA
Planned delivery with next release of SAP Solution Managers 7.0
New DB2 UOW overview (former application monitoring)Details about coordinator agent and assigned subagentsMore details on running activities (“Time Spent” metrics)“Activity Trace” shows selected metrics for an application over time
Full integration of new object metrics
Integration of new lock event monitor including graphical display of lock waitevents
Deadlocks, lock-timeouts, lock waits > secondsSelectively switched on and off
Enhanced DB2 9.7 Monitoring –DBA Cockpit Integration (1)
© SAP AG 2009. All rights reserved. / Page 27
New monitoring features in SAP’s DBA cockpit based on DB2 9.7 FP1
Integration of new Package Cache Event MonitorAbility to see former execution plans for comparison
History for almost all DB2 monitoring dataLocal system for short-term history, e.g. 2 weeksSAP Performance Warehouse for long-term history
“Time Spent” metrics with sophisticate drill-down capabilities from top of detailed performancedata through interactive charts
drill-downinto
packagecache byselectedmetric
drill-downby Service
Class
Global Time-Slice drill-downby DB
PartitionLock Wait20%
SortProcessing
12%
BP Read Wait7%
BP Write Wait5%Log Write Wait
9%
CommitProcessing
7%
CompileProcessing
9%
FCM SendWait3%
FCM ReceiveWait7%
Others Wait7%
OthersProcessing
14%
z
Enhanced DB2 9.7 Monitoring –DBA Cockpit Integration (2)
© SAP AG 2009. All rights reserved. / Page 28
Agenda
1. DB2 Optimized for SAP Initiative
2. DB2 9.7 Features for SAPMore CompressionLOB InliningImproved Space ReclamationSimplified Migration to Automatic StorageEnhanced MonitoringOther DB2 9.7 Features
3. SAP BW / DB2 Near-Line Storage
© SAP AG 2009. All rights reserved. / Page 29
MDC Space ReclaimReorg TABLE <mdc-table-name> RECLAIM EXTENTS ONLYEasy space reclaim after data roll-out in MDC tablesCan be part of automated maintenance policyFully integrated into SAP’s DBA cockpit
SAP NetWeaver BW performance improvementsScan SharingStar join query improvementsDPF costing improvements
Compression support for replicated tablesImportant for SAP internal CRM system, which replicates data to anothersystem used for further BI analysis.
Other DB2 9.7 Features
© SAP AG 2009. All rights reserved. / Page 30
Other DB2 9.7 Features -Increased Tablespace Capacity
Large table space capacity increased by a factor of four
Current large table spaces will automatically adopt this feature aftermoving to 9.7
Page Size Existing TBS size limit New TBS size limit
4KB 2TB 8TB
8KB 4TB 16TB
16KB 8TB 32TB
32KB 16TB 64TB
© SAP AG 2009. All rights reserved. / Page 31
Agenda
1. DB2 Optimized for SAP Initiative
2. DB2 9.7 Features for SAPMore CompressionLOB InliningImproved Space ReclamationSimplified Migration to Automatic StorageEnhanced MonitoringOther DB2 9.7 Features
3. SAP BW / DB2 Near-Line Storage
© SAP AG 2009. All rights reserved. / Page 32
Information Lifecycle according to data importance/age
Onl
ine
BW
Dat
a
Data-Archive(SAP ADK)
Near-Line StorageD
ata
Arc
hivi
ngPr
oces
s
Frequently read/ changeddata (actual)
Very rarely read data(aged)
Infrequently read data
Classic ArchiveNear-Line Storage =“Near Online” StorageOnline Database
Benefits of Near-Line StorageReduce size of your online BW databaseImprove performance of the online database: BW queries,ETL processing and administration tasksReduce costs of your SAP NetWeaver BW solution
Legend:optimal data locationtolerable data locationunacceptable data location
SAP NetWeaver BW Near-Line Storage on DB2- Motivation
© SAP AG 2009. All rights reserved. / Page 33
SAP NetWeaver BW Near-Line Storage on DB2– Technical Details
SAP NW BW Nearline Storage (NLS)Interface
Request based data transfer between BWOnline Database and Nearline Storage
Transparent access to NLS data withBW QueriesData Transfer Process (DTP)
Supported BW objects:InfoCubesData Store Objects (DSOs)
DB2 specific NLS implementationStore NLS data in a separate DB2 database
NLS access via ABAP second connection
Defaults for DB2 / NLS database:Automatic Storage
Self Tuning Memory ManagementRow Compression + Index compression (DB29.7)Multi Dimensional Clustering (MDC)
BW DatabaseOnline Data
InfoCube200920082007
DSO2009200820072006
InfoCube2006200520042003
DSO200520042003
DBMSTREX
DB InterfaceLayer
Relational DBInterface
BI Data Manager
General NLSInterface
NLS / DB2 LUWInterface
BI OLAP
DBMSTREX
SAP NetWeaver BW
DB InterfaceLayer
Relational DBInterface
General NearlineStorage Interface
DB2 / NearlineStorage Interface
BI OLAP
Near-Line StorageDB2 Database
ABAP second connection
© SAP AG 2009. All rights reserved. / Page 34
SAP NetWeaver BW Near-Line Storage on DB2– Integrated Solution
Delivery planned with SAPNetWeaver BW with 7.01 SP6 andDB2 9.5
Administration and monitoring of theNLS database (remote db) fullyintegrated into DBA cockpit
Set-up of NLS database integratedinto SAP’s installation tool
“One stop” support for BW and NLSdatabase
Based on proven DB2 technology
Included in SAP DB2 OEM licenseat no extra cost
Near-LineStorage
DB2Database
DB2/NLS can also be used forSAP NetWeaver BW systemson other database platforms *
* DB2 license needed
© SAP AG 2009. All rights reserved. / Page 35
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Further Information
Related Workshops/Lectures at SAP TechEd 2009ALM203, The all new SAP Database Performance Warehouse
SAP Public Web:SAP Developer Network (SDN): https://www.sdn.sap.com/irj/sdn/db6Discussion Forum: https://www.sdn.sap.com/irj/sdn/forum?forumID=187
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