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BOOK RUNNING APPLICATIONS ON ORACLE EXADATA
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SUMMARY
Items Found:
188
1 Exadata Architecture 1
2 Exadata Hardware Features 25
3 Exadata Software Features 47
4 Leveraging Exadata Features for Applications 95
5 Sizing Exadata for Applications 119
6 Migrating Applications to Exadata 149
7 Application Consolidation in Exadata 197
8 Monitoring Exadata 237
9 Managing Exadata 269
10 Exadata Backup and Recovery 307
Index 333
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1 Exadata Architecture 1
A Brief History 2
Oracle Database Machine V1 3
Oracle Database Machine V2 3
Oracle Exadata Database Machine X2 4
Oracle Exadata Database Machine X3 4
Oracle Exadata Database Machine X4 5
Exadata Architecture 5
Database Servers 5
Exadata Storage Servers or Storage Cells 11
InfiniBand 14
Exadata Configurations 15
Xn-2 Full Rack 15
Xn-2 Half Rack 16
Xn-2 Quarter Rack 16
Xn-2 Eighth Rack 16
Xn-8 Full Rack 17
Exadata Storage Expansion Rack 19
Advantages of Exadata 20
Platinum Services for Exadata 22
Summary 24
2 Exadata Hardware Features 25
Database Servers 26
X4-2 Servers 26
X4-8 Servers 30
Storage Servers 33
Exadata Storage Server X4-2 33
vii
InfiniBand 36
Ethernet Network 40
Power Distribution Units 40
For X4-2 Machines 40
For X4-8 Machines 41
Environment Information 42
X4-2 High-Capacity Disks 43
Exadata X4-2 High-Performance Disk 44
Exadata X4-8 High-Performance
and High-Capacity Drive 45
Summary 46
3 Exadata Software Features 47
Hybrid Columnar Compression (HCC) 48
Warehouse Compression 53
Online Archival Compression 53
Implementing HCC 54
Export/Import of HCC Tables 59
Restoring an Exadata HCC Table 59
Smart Scans 60
Smart Scan SQL Operations 64
Considerations that Affect Smart Scan 69
Querying for Smart Scan 70
Smart Scan Metrics 75
Queries to Capture Smart Scan 76
Exadata Smart Flash Cache 79
Exadata Smart Flash Cache and Read Operations 80
Exadata Smart Flash Cache and Write Operations 82
CELL_FLASH_CACHE Setting and Cache Hint 83
Pinning Objects in Flash Cache 84
Exadata Smart Flash Cache and Flash Grid Disks 85
Monitoring Flash Usage 91
More Exadata Smart Flash Cache Features 93
Resource Manager 93
Summary 94
4 Leveraging Exadata Features for Applications 95
Characteristics of an OLTP System 96
Exadata Features 98
Write-Back Flash Cache 98
Smart Flash Logging 100
Flash Cache Compression 105
Database Links Over InfiniBand 108
Exalogic-Exadata Connectivity Using InfiniBand 113
Configuring HugePages 114
Summary 118
5 Sizing Exadata for Applications 119
Comparative Sizing 121
Server Models 122
Memory 125
Comparative Sizing Attributes to Consider 134
Predictive Sizing 135
Users 135
Functionalities 136
Application Services 136
Batch Jobs 137
Reporting 137
Geography 138
Application Growth 138
Special Throughput Needs 138
Predictive Sizing Attributes to Consider 139
Predictive Sizing Questionnaire Examples 140
Disaster Recovery Environment Sizing 142
Nonproduction Environment Sizing 143
Production Support/QA Environment 143
Development, Unit Test Environment 144
Comparative Sizing Case Study 144
Summary 146
6 Migrating Applications to Exadata 149
Planning and Preparing for Migration 151
Migration Paths 153
Migration Using RMAN 153
Migration Using Data Pump Export and Import 159
Migration Using Transportable Database (TDB) 163
Migration Using TTS or XTTS 168
Migration Using Oracle Data Guard 182
Migration Using GoldenGate 187
Summary 192
Addendum 6.1: get_bfile.sql 193
Addendum 6.2: get_bfile_dir.sql 194
7 Application Consolidation in Exadata 197
Advantages of Server Consolidation 199
How to Consolidate in Exadata 200
Using Consolidation Planner 200
x Running Applications on Oracle Exadata: Tuning Tips & Techniques
Managing Resources in Exadata
After Consolidation 207
Instance Caging 207
Database Resource Manager (DBRM) 210
I/O Resource Manager (IORM) 223
Other Considerations/Recommendations
for Consolidation 232
Summary 236
8 Monitoring Exadata 237
Monitoring Using Enterprise Manager 238
Monitoring Compute Nodes 240
Monitoring ILOM 247
Monitoring Storage Cells 248
Monitoring InfiniBand 252
Monitoring the Cisco Ethernet Switch,
KVM, and PDUs 253
Monitoring the Databases 254
Monitoring SQL 256
Monitoring from the Servers Directly 259
OS System Log 259
CPU Utilization 259
Memory Utilization 260
ILOM Events 260
Storage Cell Metric 261
Exachk 263
Summary 268
9 Managing Exadata 269
Starting and Stopping Exadata Machine 270
Shut Down the Machine 270
Start Up the Machine 271
Operational Commands 272
Commands Related to Power Off/Reboot 272
Commands Related to InfiniBand 273
Tools and Commands for Managing the
Grid Infrastructure, ASM, and Database 276
Administering Storage Cells 285
CellCLI 286
Managing Disks 290
Managing Flash 292
Monitoring Using CellCLI 294
Distributed Command Line Interface (DCLI) 296
Summary 298
Addendum 9.1: Flash Cache Metrics and Descriptions 299
Addendum 9.2: Exadata Smart Flash Log Metrics and Descriptions 303
Addendum 9.3: Sample Commands Related to CellCLI 304
Sample Commands Related to ALTER 304
Sample Commands Related to CREATE 304
Sample Commands Related to DROP 305
Sample Commands Related to LIST 305
10 Exadata Backup and Recovery 307
Database Backup 308
Fast Recovery Area (FRA) 309
Physical Storage Options for Backups 310
Recovery Manager (RMAN) 312
Storage Cells Backup 317
Compute Nodes Backup 320
Snapshot-Based Backup 321
Recovering Compute Nodes with Non-customized Partitions 323
Recovering Oracle Linux Database Server
with Customized Partitions 325
InfiniBand Switch Backup 329
Restore an InfiniBand Switch 331
Summary 332
Inde
x 333