工作室天下武功唯快不破saphana實(shí)戰(zhàn)培訓(xùn)

SAPMatchInsightpoweredby“SAP的參與改變了教練、隊(duì)員、球迷和媒體的足球體驗(yàn)。設(shè)想一下：十個(gè)球員用三個(gè)球進(jìn)行有球訓(xùn)練，十分鐘就能產(chǎn)生超過七百萬個(gè)數(shù)據(jù)點(diǎn)，這個(gè)數(shù)字是多么龐大。然而，SAPHANA可以實(shí)時(shí)處理這些數(shù)據(jù)。在SAP的協(xié)助下，我們球隊(duì)可以實(shí)時(shí)分析這些海量數(shù)據(jù)，從而制定培訓(xùn)計(jì)劃并備戰(zhàn)下場比賽?！盨APHANASAPHANASAPHANASAPHANASAPHANASQL實(shí)施SAPHANA

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?2014SAPAG.Allrights PurposeandWhyDoesAnIn-memoryDatabaseNeedAPersistenceMainMemoryisvolatile.WhathappensPower→Dataneedstobestoredinanon-volatileBackupandSAPin-memorycomputingengineoffersonepersistencelayerwhichisusedbyrowstoreandcolumnstoreRegular→fullpersistedimageofDBattimeofLogscapturingallDBtransactionssincelastsavepoint(redologsandundologs→restoreDBfromlatestsavepointAbilitytocreate→usedforSystemRestartandPopulationofIn-memoryActionsDuringSystemLastsavepointmustberestoredUndologsmustbereadforuncommittedtransactionssavedwithlastRedologsforcommittedtransactionssincelastsavepointCompletecontentofrowstoreisloadedintomemoryColumnstoretablesmaybemarkedforpreloadornotOnlytablesmarkedforpreloadareloadedintomemoryduringIftableismarkedforloadingondemand,therestoreprocedureisinvokedonfirstLookandInformationModelerDatabaseChoicetopublishandconsumeat4levelsofDataDataSourceschemas(metadata)–massandselectiveDataProvisioningforSAPBusinessApplications(bothinitialloadandreplication)AnalyticPrivileges/SecurityInformationModelerAttributes–descriptiveMeasures–datathatcanbequantifiedandAttributeViews–i.e.AnalyticViews–i.e.CalculationViews–similartovirtualproviderwithservicesconceptinLeveled–basedonmultipleParent-childAnalyticPrivilege–securityNavigatorView-HANAInstanceHANAServerNameandInstanceNumberUserDatabaseSchemaContent:ColumnViews,NavigatorView-ContentisorganizedinPackagesAttributeViews,AnalyticViews,CalculationViews,AnalyticPrivilegesorganisedinfolders?2014SAPAG.All?2014SAPAG.Allrights ??2014SAPAG.Allrights SAPHANASAPHANASAPHANASAPHANASAPHANASQL實(shí)施SAPHANA

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SAPHANA數(shù)據(jù)表分區(qū)，是指在行方向上對一張完整的數(shù)據(jù)表按照一定的邏輯循序進(jìn)行劃分，分區(qū)的子表作為一個(gè)整體，對于大多數(shù)SQL查詢和數(shù)據(jù)庫操作語句(DML在大型多節(jié)點(diǎn)SAPHANA系統(tǒng)上，利用數(shù)據(jù)表的分區(qū)操作可以對巨大體積數(shù)據(jù)表的管理帶來便利，均勻分布系統(tǒng)負(fù)載，優(yōu)化應(yīng)用運(yùn)行性能…等等?2014SAPAGoranSAPaffiliatecompany.Allrights 并不僅僅是多節(jié)點(diǎn)SAPHANA數(shù)據(jù)庫可以利用數(shù)據(jù)表分區(qū)，對單節(jié)點(diǎn)SAP123 >256…

<2<2<2<2456<26SAP?2014SAPAGoranSAPaffiliatecompany.Allrights 進(jìn)行了表分區(qū)之后，子表共享metadata但是卻擁有獨(dú)立的mainindexdelta少deltamerge操作對整個(gè)系統(tǒng)資源的占用情況INSERTINTOTABLE… NodeNodeNodeNodeDelta 進(jìn)行了表分區(qū)之后，子表共享metadata,但是卻擁有獨(dú)立的mainindex,deltadelta日志。因此當(dāng)數(shù)據(jù)更新只是在個(gè)別子表上進(jìn)行的時(shí)候，適當(dāng)?shù)膶Ρ磉M(jìn)行分區(qū)，將減少deltaSELECTSELECTFROMWHERE國家=XXXNodeNodeNode時(shí)候，所有存儲該表子表的服務(wù)器會并行執(zhí)行Query，利用Scaleout的SAPSELECTSELECTFROMWHERE月份=1月NodeNode2NodeINSERTINTOTABLES… NodeNodeNodeNode SAPHANASAPHANA的數(shù)據(jù)表分區(qū)方案強(qiáng)烈的依賴如：系統(tǒng)負(fù)荷，數(shù)據(jù)表結(jié)構(gòu)，SQL查詢方式等等，利用HANA提供的系統(tǒng)數(shù)據(jù)視圖(如:M_CS_TABLES)定期檢查并預(yù)估數(shù)據(jù)表的體積，SAP建議數(shù)據(jù)表的分區(qū)至少在數(shù)單獨(dú)從系統(tǒng)優(yōu)化角度進(jìn)行表的分區(qū)。例如利用數(shù)據(jù)表的分區(qū)減少DeltaMerge對系統(tǒng)資源占用，但是可能會大大降低應(yīng)對SAPNetWeaverBusinessWarehouseonHANA的表進(jìn)行分區(qū)。BWonHANA有自動表分區(qū)的機(jī)制.除非SAP支持的建議，CREATECOLUMNTABLEmytab(aINT,bINT,cINT,PRIMARYKEY(a,b))PARTITIONBYHASH(a,b)PARTITIONS4;COLUMNmytabINT,bINT,INT,PRIMARYPARTITIONHASHb)ALTERTABLEmytab_hashPARTITIONBYHASH(v_jldw)PARTITIONSSELECT*FROMmytab_HASHWHEREHANA系統(tǒng)會根據(jù)SQLQuery的Where語句里包含的過濾條件，對CREATECOLUMNTABLEmytab(aINT,bINT,cINT)PARTITIONBYROUNDROBINPARTITIONS4RangeRange分區(qū)操作要求對表統(tǒng)會報(bào)錯(cuò)。因而需要預(yù)定義一個(gè)被稱為’RestPartition’的分區(qū)子表來接受這些記錄 CREATECOLUMNTABLEmytab(aINT,bINT,cINT,PRIMARYKEY(a,b))PARTITIONBYRANGE(a)(PARTITION1<=VALUES<PARTITION5<=VALUES<20,PARTITIONVALUE=44,PARTITIONOTHERS)繁DeltaMergeHashRangeHashRangeRound-RobinRangeHashHashHashRange分 HashRange分區(qū)是最典型的一種多層分區(qū)方式，如：在第一層分區(qū)利用Hash分區(qū)的時(shí)間分區(qū)原則降低每個(gè)節(jié)點(diǎn)的DeltaMerge帶來的資源消耗，如下圖所示CREATECOLUMNTABLEmytab(aINT,bINT,cVARCHAR(10),PRIMARYKEY(a,b))PARTITIONBYHASH(a,b)PARTITIONS3,RANGE(c)(PARTITIONVALUE=‘JAN’,PARTITIONVALUE=‘FEB’,PARTITIONVALUE=‘MAR’,PARTITIONOTHERS)Round-RobinRange分區(qū)及HashHash分 Round-RobinRangeCREATECOLUMNTABLEmytab(aINT,bINT,cINT)PARTITIONBYROUNDROBINPARTITIONS4,RANGE(c)(PARTITION1<=VALUES<5,PARTITION5<=VALUES<HashHashCREATECOLUMNTABLEmytab(aINT,bINT,cINT,PRIMARYKEY(a,b))PARTITIONBYHASH(a,b)PARTITIONS4,HASH(c)PARTITIONS7對于表的分區(qū)的監(jiān)控，SAPHANA一共提供了如下四張系統(tǒng)視圖可以查詢到目標(biāo)表的分區(qū)方案明細(xì)SELECTSCHEMA_NAME,TABLE_NAME,PARTITION_SPEC,TABLE_OID,IS_COLUMN_TABLEFROMTABLESWHEREPARTITION_SPECISNOTNULLSELECTHOST,SCHEMA_NAME,TABLE_NAME,PART_ID,MEMORY_SIZE_IN_MAIN,MEMORY_SIZE_IN_DELTA,RECORD_COUNTFROMM_CS_TABLESORDERBYHOST,SCHEMA_NAME,TABLE_NAMEDESCSELECT*FROMM_TABLESWHERESELECTSCHEMA_NAME,TABLE_NAME,PARTITION,SUBPARTITION,RANGEFROMM_CS_PARTITIONSORDERBYSCHEMA_NAMEASC,TABLE_NAMEASC,PARTITIONASC,SUBPARTITIONASCClientSideStatement例如:從Hash(X)3到Hash(X)2例如從Hash(X)3到Hash(Y)拆分具體場景從分區(qū)子表數(shù)n到分區(qū)子表數(shù)m,且例如Hash(X)3到Hash(XALTERTABLEmytabPARTITIONBYHASH(a)PARTITIONSALTERTABLEmytabMERGE對數(shù)據(jù)表記錄擁有長時(shí)間的鎖（僅SELECT操作是允許的在操作開始之前，會先進(jìn)行DeltaMergeHANA的StatisticsServer會保持對數(shù)據(jù)增長和表的體積的監(jiān)控，參照分區(qū)的拆分與合并一節(jié)，進(jìn)行分區(qū)表的合并與再分區(qū)可能需要對分區(qū)子表進(jìn)行移動。割子表，對多層分區(qū)需要將整個(gè)分區(qū)組進(jìn)行移動，建議在進(jìn)行分區(qū)子表的移動之前，查看M_C_AITIOSABLE_LOTION了解當(dāng)前分區(qū)子表或分區(qū)組所在位置信息ALTERTABLEmytabMOVEPARTITION2TOALTERTABLEmytabMOVETOCREATECOLUMNTABLEmytab(aINT,bINT)PARTITIONBYHASH(a)PARTITIONS2,RANGE(b)(PARTITION1<=values<5,PARTITIONOTHERS)ALTERTABLEmytabMOVEPARTITION2TOCREATEROWTABLEmytab(IINTPRIMARYKEY)ATALTERTABLEmytab5ADDREPLICAATLOCATIONClientSideStatement境，SQLQuery會被重新定向和發(fā)QueryPlan和連接線程的運(yùn)行信息數(shù)據(jù)表所在節(jié)點(diǎn)發(fā)送SQLQuery執(zhí)行請求，這也被稱為ClientSideStatementRoutingClientSideStatementRouting在多節(jié)點(diǎn)系統(tǒng)上，表的分區(qū)和移動都會改變，因此系統(tǒng)會將queryplan重新進(jìn)行編查詢的優(yōu)化，需要設(shè)置HANAServer段和Client端的相關(guān)參數(shù)***在對表進(jìn)行分區(qū)針對應(yīng)用進(jìn)行優(yōu)化之前，建議檢查ClientSideStatementRouting機(jī)制是否正常，可以通過系統(tǒng)視圖M_CONNECTIONS查詢客戶端和HANAServer的連接建立信息ClientSideStatementRoutingClientlibrary(SQLDBC,

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“SaaS設(shè)備運(yùn)營的概念基礎(chǔ)設(shè)施SAP

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SAPHANAStudioSAPHANAStudio務(wù)務(wù)BackintforSymantecIBMHP(Data??2014SAPAG.Allrights 這是計(jì)劃的當(dāng)前狀態(tài)，SAP隨時(shí)可能修改 從SAPHANASPS4SID數(shù)SAPHANA設(shè)備方法論（安裝和升級）備份及恢復(fù)（系統(tǒng)備份監(jiān)控和管理HANA

例如向外擴(kuò)展（ScaleM統(tǒng)計(jì)服務(wù)（僅在一臺激活的節(jié)點(diǎn)上XSAPHANASAPHANA

SAPHANA…管理HANA軟件升級

SAPHANAStudio 數(shù)據(jù) 數(shù)據(jù) 數(shù)據(jù) 數(shù)據(jù) 數(shù)據(jù) 點(diǎn)HP,Fujitsu, 點(diǎn)不同的案例（HANASAPBW）對最小安裝可能有不同的需求和建議。（比如BW在SAPnote1637145attachedPDF中有不同的定義）

SAPHANA設(shè)備方法論（安裝和升級）??2014SAPAG.Allrights 這是計(jì)劃的當(dāng)前狀態(tài)，SAP隨時(shí)可能修改 SAPHANASAPHA