Expert Oracle Exadata - Parent Directory

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CHAPTER 2 OFFLOADING / SMART SCAN| 3 | HASH GROUP BY | | Q1,02 | PCWP | || 4 | PX RECEIVE | | Q1,02 | PCWP | || 5 | PX SEND HASH | :TQ10001 | Q1,01 | P->P | HASH || 6 | HASH GROUP BY | | Q1,01 | PCWP | ||* 7 | HASH JOIN | | Q1,01 | PCWP | || 8 | BUFFER SORT | | Q1,01 | PCWC | || 9 | PX RECEIVE | | Q1,01 | PCWP | || 10 | PX SEND BROADCAST | :TQ10000 | | S->P | BROADCAST || 11 | TABLE ACCESS BY INDEX ROWID| SKEW2 | | | ||* 12 | INDEX RANGE SCAN | SKEW2_COL1 | | | || 13 | PX BLOCK ITERATOR | | Q1,01 | PCWC | ||* 14 | TABLE ACCESS STORAGE FULL | SKEW3 | Q1,01 | PCWP | |-----------------------------------------------------------------------------------------Predicate Information (identified by operation id):---------------------------------------------------7 - access("A"."PK_COL"="B"."PK_COL")12 - access("B"."COL1"=1)14 - storage(:Z>=:Z AND :Z
CHAPTER 2 OFFLOADING / SMART SCAN• Aggregate functions (AVG, COUNT, SUM, …)• Analytic functions (AVG, COUNT, DENSE_RANK, LAG, …)These functions return either a single row (aggregate functions) or multiple rows (analyticfunctions). Note that some of the functions are overloaded and belong to both groups. None of thesefunctions can be offloaded to Exadata. Which makes sense, because many of these functions requireaccess to the entire set of rows, which individual storage cells do not have.There are some additional functions that don’t fall neatly into any of the previously describedgroupings. These functions are a mixed bag in terms of Offloading. For example, DECODE and NVL areoffloadable, but the XML functions are not. Some of the Data Mining functions are offloadable and someare not. Also keep in mind that the list of offloadable functions may change as newer versions arereleased. The definitive list of which functions are offloadable for your particular version is contained inV$SQLFN_METADATA.SYS@SANDBOX> select distinct name, version, offloadable2 from V$SQLFN_METADATA3 order by 1,2;NAME VERSION OFF------------------------------ ------------ ---!= SQL/DS YES!= V6 Oracle YES< SQL/DS YES< V6 Oracle YES V6 Oracle YES>= SQL/DS YES>= V6 Oracle YESABS V10 Oracle YESABS V10 Oracle YESABS V6 Oracle YESACOS V10 Oracle YESACOS V73 Oracle YES. . .VSIZE V6 Oracle YESWIDTH_BUCKET V82 Oracle NOXMLCASTV11R1 Oracle NOXMLCDATA V10 Oracle NOXMLCOMMENT V10 Oracle NOXMLCONCAT V92 Oracle NOXMLDIFFV11R1 Oracle NOXMLEXISTS2V11R1 Oracle NOXMLISNODE V92 Oracle NOXMLISVALID V92 Oracle NOXMLPATCHV11R1 Oracle NOXMLQUERY V10 Oracle NOXMLTOOBJECTV11R1 Oracle NO38
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Page 5 and 6: IntroductionThank you for purchasin
Page 7: INTRODUCTIONwere implementing Exada
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CHAPTER 3 HYBRID COLUMNAR COMPRESS
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C H A P T E R 4Storage IndexesStora
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CHAPTER 4 STORAGE INDEXESMonitorin
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CHAPTER 4 STORAGE INDEXESVersion:
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CHAPTER 4 STORAGE INDEXES• For e
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CHAPTER 4 STORAGE INDEXES• _cell
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CHAPTER 4 STORAGE INDEXESSYS@EXDB1
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CHAPTER 4 STORAGE INDEXESpositives
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CHAPTER 4 STORAGE INDEXESIncorrect
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CHAPTER 4 STORAGE INDEXES---------
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CHAPTER 4 STORAGE INDEXES1 row sel
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C H A P T E R 5Exadata Smart Flash
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CHAPTER 5 EXADATA SMART FLASH CACH
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C H A P T E R 6Exadata Parallel Ope
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CHAPTER 6 MAKING PCBSParameter Def
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CHAPTER 6 MAKING PCBSTable 6-2. Hi
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CHAPTER 6 MAKING PCBSSo as you can
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CHAPTER 6 MAKING PCBS-- switch to
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CHAPTER 6 MAKING PCBSThe Old WayBe
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CHAPTER 6 MAKING PCBS((4 × CPU_co
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CHAPTER 6 MAKING PCBSSYS@EXDB1> /S
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CHAPTER 6 MAKING PCBSSYS@EXDB1> @q
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CHAPTER 6 MAKING PCBSControlDescri
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CHAPTER 6 MAKING PCBSthe normal ca
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CHAPTER 6 MAKING PCBSEnter value f
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CHAPTER 6 MAKING PCBSphysical read
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CHAPTER 6 MAKING PCBStransaction t
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CHAPTER 6 MAKING PCBSSYS@EXDB1> se
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CHAPTER 7 RESOURCE MANAGEMENTimpor
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CHAPTER 7 RESOURCE MANAGEMENTSQL>
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CHAPTER 7 RESOURCE MANAGEMENTSessi
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CHAPTER 7 RESOURCE MANAGEMENTdbms_
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CHAPTER 7 RESOURCE MANAGEMENTcomme
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CHAPTER 7 RESOURCE MANAGEMENTBEGIN
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CHAPTER 7 RESOURCE MANAGEMENTStep
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CHAPTER 7 RESOURCE MANAGEMENTAccor
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CHAPTER 7 RESOURCE MANAGEMENTNow,
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CHAPTER 7 RESOURCE MANAGEMENTFigur
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CHAPTER 7 RESOURCE MANAGEMENTOver-
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CHAPTER 7 RESOURCE MANAGEMENT50% m
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CHAPTER 7 RESOURCE MANAGEMENTdbPla
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CHAPTER 7 RESOURCE MANAGEMENTInter
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CHAPTER 7 RESOURCE MANAGEMENTAn IO
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CHAPTER 7 RESOURCE MANAGEMENTgroup
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CHAPTER 7 RESOURCE MANAGEMENTLIST
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C H A P T E R 8Configuring ExadataO
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CHAPTER 8 CONFIGURING EXADATAThe P
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CHAPTER 8 CONFIGURING EXADATAregis
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CHAPTER 8 CONFIGURING EXADATATable
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CHAPTER 8 CONFIGURING EXADATA Note
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CHAPTER 8 CONFIGURING EXADATAConfi
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CHAPTER 8 CONFIGURING EXADATAFile
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CHAPTER 8 CONFIGURING EXADATAMachi
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CHAPTER 8 CONFIGURING EXADATAFile
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CHAPTER 8 CONFIGURING EXADATA• /
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CHAPTER 9 RECOVERING EXADATAprovid
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CHAPTER 9 RECOVERING EXADATAconfig
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CHAPTER 9 RECOVERING EXADATANetmas
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CHAPTER 9 RECOVERING EXADATASystem
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CHAPTER 9 RECOVERING EXADATA-rw-r-
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CHAPTER 9 RECOVERING EXADATASYS:+A
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CHAPTER 9 RECOVERING EXADATA■ No
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CHAPTER 10 EXADATA WAIT EVENTSSYS@
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CHAPTER 10 EXADATA WAIT EVENTScell
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CHAPTER 10 EXADATA WAIT EVENTSYou
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C H A P T E R 11Understanding Exada
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CHAPTER 11 UNDERSTANDING EXADATA P
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CHAPTER 12 MONITORING EXADATA PERF
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CHAPTER 13 MIGRATING TO EXADATA Ke
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C H A P T E R 14Storage LayoutIn Or
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CHAPTER 14 STORAGE LAYOUTFailure G
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CHAPTER 14 STORAGE LAYOUTGrid Disk
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CHAPTER 14 STORAGE LAYOUTASM Disk
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CHAPTER 14 STORAGE LAYOUT1 st Grid
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CHAPTER 14 STORAGE LAYOUTTable 14-
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CHAPTER 14 STORAGE LAYOUTparameter
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CHAPTER 15 COMPUTE NODE LAYOUTCPU
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C H A P T E R 16Unlearning Some Thi
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CHAPTER 16 UNLEARNING SOME THINGS
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A P P E N D I X ACellCLI and dcliCe
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APPENDIX A CELLCLI AND DCLILIST FL
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A P P E N D I X BOnline Exadata Res
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A P P E N D I X CDiagnostic Scripts
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APPENDIX C DIAGNOSTIC SCRIPTSScrip
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Index• AAccess control list (ACL)
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• INDEXnetwork componentsclient a
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• INDEX• Epredicate offload, 36
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• INDEXOTHER_GROUPS consumer grou
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• INDEXCPU utilization, 152mixed
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• INDEXstructure, 105sub-query, 1
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Expert Oracle Exadatan n nKerry Osb
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Contents• About the Authors......
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• CONTENTSHow to Verify That Smar
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• CONTENTSControlling ESFC Usage
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• CONTENTSSummary ...............
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• CONTENTS• Chapter 12: Monitor
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• CONTENTS• Chapter 16: Unlearn
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About the Technical Reviewer Kevin
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