Expert Oracle Exadata - Parent Directory

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CHAPTER 12 MONITORING EXADATA PERFORMANCECellCLI> LIST METRICDEFINITION CL_CPUT DETAIL; show metric description and detailsname:CL_CPUTdescription:"Percentage of time over the previous minute that the systemCPUs were not idle."metricType:InstantaneousobjectType:CELLunit: %CellCLI> LIST METRICCURRENT CL_CPUT;CL_CPUT enkcel01 5.3 % list the latest metric snapshot valueCellCLI> LIST METRICCURRENT CL_CPUT DETAIL; list latest snapshot in detailname:CL_CPUTalertState:normalcollectionTime:2011-05-16T09:31:53-05:00metricObjectName: enkcel01metricType:InstantaneousmetricValue: 5.3 %objectType:CELLCellCLI> LIST METRICHISTORY CL_CPUT; show historical metric snapshotsCL_CPUT enkcel01 2.2 % 2011-05-06T12:00:46-05:00CL_CPUT enkcel01 2.4 % 2011-05-06T12:01:49-05:00CL_CPUT enkcel01 2.1 % 2011-05-06T13:00:15-05:00CL_CPUT enkcel01 0.3 % 2011-05-06T13:01:15-05:00CL_CPUT enkcel01 1.4 % 2011-05-06T13:02:15-05:00CL_CPUT enkcel01 0.3 % 2011-05-06T13:03:15-05:00CL_CPUT enkcel01 1.2 % 2011-05-06T13:04:15-05:00CL_CPUT enkcel01 1.2 % 2011-05-06T13:05:15-05:00Accessing Cell Metrics Using the Grid Control ExadataStorage Server Plug-InIf you have configured the System Monitoring plug-in for Exadata Storage Server, you will be able to seesome cell-level metrics, reports, and charts in Grid Control. The plug-in installation is out of the scope ofthis book, but it’s well documented in the plug-in’s installation guide.Currently the Exadata Storage Server monitoring plug-in gives only some basic metrics to monitorand is not very sophisticated for systematic cell performance troubleshooting or monitoring.Nevertheless, it will give you a more convenient way for monitoring cell statistics changing over time,compared to running CellCLI’s list metrichistory commands manually. When you initially navigate toa storage cell target (or group of cells) in Grid Control, you may not see any charts defined there yet. InFigure 12-10, we have created a group called “cells” from the Exadata Storage Server targets andnavigated to the Edit Group page. This is where you can add new charts for collected cell-level metrics.396
CHAPTER 12 MONITORING EXADATA PERFORMANCEFigure 12-10. Adding storage cell metrics into Grid Control monitoring chartsAll the chart definitions in Figure 12-10 have been manually added for the cell group. You can add chartsyourself, by clicking the Add button, which will bring you to the Add Chart page shown in Figure 12-11.397
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IntroductionThank you for purchasin
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INTRODUCTIONwere implementing Exada
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CHAPTER 1 WHAT IS EXADATA?end of t
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C H A P T E R 2Offloading / Smart S
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CHAPTER 2 OFFLOADING / SMART SCANR
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C H A P T E R 3Hybrid Columnar Comp
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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 PCBSControlDescri
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CHAPTER 7 RESOURCE MANAGEMENTimpor
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CHAPTER 7 RESOURCE MANAGEMENTSQL>
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C H A P T E R 8Configuring ExadataO
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CHAPTER 9 RECOVERING EXADATAprovid
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CHAPTER 10 EXADATA WAIT EVENTSSYS@
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CHAPTER 10 EXADATA WAIT EVENTScell
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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 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 DCLICellCLI
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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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