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March21,2014
3 Major Reasons To Migrate To BW 7.4 on HANA
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(http://tfxz.files.wordpress.com/2014/03/naranjas.jpg)OnMarch25,inthecontextoftheHANA2014conference(hana2014.wispubs.com/Orlando/),thereisaspecialeventfocusingonBW7.4onHANA
(http://bit.do/bw74launch).Preparingforthisevent,Ivereflectedonwhattotell,say,aBW7.0customeronwhyheshouldlookatupgradingandmigratingthatsystemtoBW7.4onHANA
(http://scn.sap.com/docs/DOC35096).Fundamentally,Isee3majorreasons:
1. Itbecomessimpler.2.
Itismoreflexibe(thanpreviousversionsofBW).3. Itperformsbetter.
SoletmequicklyjustifywhyIthinkthatthisisthecase.Pleasenotethatall
theargumentsarebasedonthecombinationofBWand HANA.
It becomes simpler.
Modern modeling
environmentThereisanumberofnewEclipsebasedmodelingeditors
(http://scn.sap.com/community/netweaverbwhana/blog/2014/01/29/sapbwmodellingtools),e.g.forthecompositeprovider(https://scn.sap.com/docs/DOC52329)
orthenewquerydesigner(https://twitter.com/tfxz/status/322677745937178624)
(planned).Themodelingparadigmsareharmonized
withthoseoftheHANAmodelerwhichmakesitacoherentmodelingenvironment,especiallywhencombiningBWwithHANAnativefeatures.
Less modeling
objectsThenewcompositeprovidercanreplacetheoldmultiproviderand(partially)theoldinfosets.TheinmemoryDSOissuitableformanyreportingscenariosmakingitobsoletetouseinfocubesinthosecase.TheadvancedDSO(plannedforSP8)willfurthersimplifythesituation.
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BPC unifiedClassicBPC,BWintegratedplanningincl.PAKbecomeone
(http://scn.sap.com/community/datawarehousing/businessplanning/blog/2013/12/23/unifyingbpcnwandbwip)
withthesamesoftwarelifecycleandharmonizedmodelingenvironments.Thereisevensynergiesallowingfunctionsfromoneend(approach)tobeappliedtotheother.ExamplesareBPCsbusinessprocessflows(BPFs)andtheworkstatusbeingusedonBWIPmodelsortheperformanceboosts,especiallyviaPAK,fortheBPCmodels(cubes).
It is more flexibe.
Ingeneral,BWprovidesamanagedapproachtodatawarehousing.Whilemanycherishthisbestpracticeguidancesomecriticsargueitisdifficulttodeviatefromthestandardapproachincaseofspecialscenarioswhereitmightbeeasiertoprogramoneortheotherfunction,forinstance,inSQLorSQLscriptratherthanviacomplexmodeling.BW7.4onHANAprovidesanumberofoptionstodoso:
SQL
BWAnytabularHANAartifactthatisaccessibleviaSQLcanbeincorporatedintoBW,eitherforreportingoreventhedatawarehousinglayersthatharmonizethedataandcreateconsistencyacrossthemanysources
(https://twitter.com/tfxz/status/273016719650484224)
feedingintothedatawarehouse.KeyfeaturesinBW7.4inthatrespectaretheopenODSview(http://scn.sap.com/docs/DOC50504)
orthecompositeprovider
(https://scn.sap.com/docs/DOC52329).BothcanbecombinedwithHANAssmartdataaccess
(http://scn.sap.com/docs/DOC52945)(akafederation)feature.
BW SQLItispossibletoexposeBWmodels
i.e.infoprovidersbutitisplannedtoextendthistoBWqueriesasHANAviewsthatcanbeconsumedviaSQL(http://www.saphana.com/community/blogs/blog/2014/01/23/sqlconsumptionofbwonhanadataandmodels).TherebyBWsecurityisalsotranslatedintoHANAbasedsecurity.ThusBWdataand(partially
(http://www.saphana.com/docs/DOC3151))semanticscanbeconsumedviaSQLfocusedclients.OradditionalmodelscanbecreatedontopofthegeneratedviewsleadingtomorerefinedHANAmodels.
Leverage highly specialized
librariesHANAprovidesnumerousspecializedlibrarieslikePAL
(http://www.saphana.com/docs/DOC3042),AFL
(http://www.saphana.com/docs/DOC4267),R
(http://www.saphana.com/docs/DOC4049) tomenionafew.ViaBWsnewHANA
Analysis Process (HAP)
capabilityitispossibletousealloftheseontopofBWmodelsandconsumetheresultasaBWmodel.
It performs better.
Querying +
LoadingThisisthetraditionalstrengthofHANAandespeciallyitsunderlyingcalculationengine.MoreofBWsOLAPfeaturesarenowcompiledintoexecutionplansinHANA(http://www.saphana.com/community/blogs/blog/2013/02/28/theolapcompilerinbwonhana).Alot
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ofloadingrelatedBWfeaturesareexecutedclosetothedatatherebyavoidingdatatransportbetweenapplicationandHANAservers.ExamplesaretheDSOactivation(http://scn.sap.com/people/thomas.zurek/blog/2011/06/24/hanaandbw730part2#DSO)
andtheoptiontocompiletransformationstobeexecutedinthecalcengine.ThelattermechanismisalsousedforHAPs.
Hardly Any
TuningAdmittingly,performancetuninghasnotvanishedcompletelybutithasbecomesomucheasier.Simplylookattheblog10
years of no aggregates in #SAPBW
(http://scn.sap.com/community/datawarehousing/netweaverbw/blog/2014/03/06/10yearsofnoaggregatesinsapbw).Thedecreaseofsupportefforts(ontheSAPend)correlatedirectlywiththedecreaseoftuningandadmineffortonthecustomerside.ThisisrealworldproofforreducedTCO!
Big
DataDatavolumesarenoissue,notevenonthelicensingendthroughHANAsextendedstoragecapability.Havealookatthisdemo
(http://scn.sap.com/community/netweaverbwhana/blog/2014/01/22/bigdata25pbinbwonhanadashboarddemo)
thatqueriesontopof2.5PBofdata.
Thisbloghasbeencrosspublishedhere
(http://www.saphana.com/community/blogs/blog/2014/03/25/3majorreasonstomigratetobw74onhana).YoucanfollowmeonTwitter@tfxz(http://twitter.com/tfxz).
PostedbyThomasZurek inBWonHANA
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