Index. Backup and recovery, 114 backup examples, backup and restore buffers (obsolete), 200 Backup Wizard, 114

Transcription

1 Index A Administration Client, 42 Agent Private Memory, 194, 204, 205f application support layer heap, 207, 207f Agent stack size, 205 ALLOW REVERSE SCANS, APPC, 18 Application Global Memory, 194, , 204f Application group memory, 203 Application heap, Applications Development Client, 42 APPR (Asynchronous Pages Read per Request) formula, Arapahoe see I/O bottleneck/pci ARMS (Asynchronous Read Milliseconds) formula, 185 ARP and SRP (Asynchronous and Synchronous Read Percentages), aslheapsz, 207 Asynchronous I/O, 6 Attributes, 29 and functional dependencies, 31 and key, 32 Autonomic computing, B Backup and recovery, 114 backup examples, backup and restore buffers (obsolete), 200 Backup Wizard, 114 enhancements, 4 offline backup utility, 115 authorization, 115 command parameters, required connection, 115 scope, 115 online backup utility, query status, redirected restore, 142 see also SET TABLESPACE CONTAINERS Restore Data Wizard, 119, 119f 120f restore database utility, authorization, command parameters, examples, guidelines/exception, 127 required connections, 121 scope, 120 roll forward recovery, 113, 127 authorization, 127 command parameters, examples, required connection, 127 scope, 127 utility guidelines/exceptions, see also Logs Block prefetch I/O, 189 Breakpoints, 54 55, 54f Buffers bufferpools, 20, 175, 186, 189 altering, 177 analysis,

2 466 Index assigning tablespaces to, creation, dropping, enhancements, 9 events, 241 optimizing assignments, 188 sizing, 188, 201 strategy, 39 see also Performance monitoring/bufferpools double, 74 buffpage (obsolete), 201 Business model see Logical design C CALL, Call stack traces, Candidate key, 28 Cardinality, 29 Cascade delete, 29 Catalog cache, 6, Cell, 65 Chen, P.P., 28 CLI/ODBC/JDBC trace, 254, 264 Collocated joins, , 301f Commands see Utilities Composite block index, 65 COMPRESS SYSTEM DEFAULT, 2 Configuration Advisor, 209, ten-step process, Configuration parameters and autonomic computing, obsolete parameters (DB2 v8), online, 9, 193, 194f propagation classes, 193 Configuration Performance Wizard see Configuration Advisor Connection concentration, 6 7, 22, 23f Connection event monitors, 241 Connection Panel, 47, 47f Constraint, 35 Control Center launching DC, 46 and table activity monitoring data, 186 Controlled redundancy, 37 Coordinating agent, 20 Create Table statement, storage compression enhancement, 2 CRM (customer relationship management), 13 CURRENT REFRESH AGE special register, 59 D Data modeling tools, 25 types, 26 conceptual model, 27, 27f logical model, 27, 27f, 36, 39 Data storage features of DB2 UDB, 2 Database Analysis and Reporting Tool (DB2DART), 10 Database Global Memory, 194, 199 memory areas, 199f, Database heap, 202 Database maintenance (new mode), 4 Database Manager Shared Memory, 194, 195, 196f control structures, see also FCM (Fast Communication Manager) Database partitioning see DPF (database partitioning feature) Database Shared Memory see Instance Memory databasejava heap sizememory, 199 DB2 agents, 207 agent monitoring, 208 coordinating agents, 207 MAXAGENTS, 207 MAXCAGENTS, 208 DB2 architecture, 18, communication protocols, 18 coordinating agent, 20 Memory model, 194, 195f, 215 Process Model, 18, 19f see also DB2 agents subagents, 20 see also Bufferpools; Connection concentration; Deadlock detector; Logs; Memory areas; Page Cleaners; Prefetchers DB2 Information Center, 256, 259, 259f DB2 Sort, , 289 elimination by indexing, see also SQL/explain tools memory areas, 272 sizing, performance monitoring, 280 event monitors, snapshot monitoring (application and table),

3 Index 467 and reverse scans, shared, 273 Database Manager Snapshot output monitoring, Database Snapshot monitoring, 275 sortheap, 205, 272 overflowed/nonoverflowed, piped/non-piped, 276 threshold (shared sorts), 197 types, 272 see also SHEAPTHRES DB2 UDB (Universal Database) version 8.1, 1, application development enhancements, availability enhancements, 8 10 configuration optimization for ESS, 88 89, 89f manageability enhancements, 3 5 module naming conventions, 257, 258t partitioning terminology changes, 294, 294t 295t performance enhancements, 5 8 product changes, 2 serviceability enhancements, 10 support site, , 256f, db2agent see Coordinating agent db2agntp see Subagents db2diag.log, format, SQLCA entries, db2drdat, 265 db2empfa, 74 db2eva, , 248f db2loggr see Log db2nodes.cfg file, 296 adding a database partition, 320 configuration information, field definitions, 296t db2pclnr see Page cleaners db2pfchr see Prefetchers db2tbst, 144 db2trc, DB CFG (Database Configuration) see Configuration parameters DBIA (dynamic bitmap index ANDing), , 308f DBM CFG (Database Manager Configuration) see Configuration parameters DC project creation case example, Help, 53, 54f Project View, 52, 52f see also Wizards Deadlock detector, 21 22, 241 Debugging see Problem determination Definition Panel, 50, 50f Denormalization, 37 Development Center (DC), 10, 11, 43, 46f, 61 Control Center launch, 46 existing project launch, 55, 55f Launchpad, 48, 48f New Object panel, 48, 49f project concept, 46 see also DC project creation case example DGTT (declared global temporary table), 7, 56 Dimension block index, 65 DMS (Database Managed Space), 71, 75, 85 container enhancements, 9 10 see also Tablespaces Domain, DPF (database partitioning feature), 14 15, 18, 291, 321 adding a database partition, 320 database partitioning, 295, 295f decision criteria, 291 index considerations, interpartition parallelism, and intrapartition parallelism, 292 load utility considerations, 310 partition group, 300, 301f partitioning keys, 299 partitioning map concepts, , 299f performance considerations, 307 collocated joins, , 301f, 307 shared-nothing architecture, 293, 293f vs. SMP (shared-everything) architecture, , 292f see also db2nodes.cfg file; DBIA; LOAD QUERY; LOAD utility; Partitioned database join strategies DRDA, 7, 13, heap (obsolete), 206 trace, 265 Dynamic SQL snapshot, 235 and summary tables, 58 see also SQL

4 468 Index E EDUs (Engine Dispatchable Units), 18 eliza project, 1 Entities and relationships candidate key, 28 cardinality, 29 entity, 28 associative entity, 31 characteristic entity, 30 foreign key, 29 primary key, 29 relation, 29 relationship, 28 many-to-many, 30, 30f one-to-many, 29, 29f one-to-one, 29, 29f see also ER diagram ER (entity_relationship) diagram, 27f, 28 and UML, 36 ERP (enterprise resource planning), 13 ERstudio (Embarcadoro), 25 Erwin (CA), 25 ESE (Enterprise Server Edition), 2, 13, 14f Partitioning Option improvements, 294 see also DPF; DRDA ESS SHARK (IBM Enterprise Storage System), 86 cache management, clusters, 88 DB2 optimized configuration, 88 89, 89f nonvolatile storage (NVS), Serial Storage Architecture (SSA), 88 terminology, 86 tools, 90 Storage Expert, 92, 92f storage layout map, 91, 91t StorWatch Specialist, 90, 90f Event monitors, 5, 6, 241 and bufferpool performance information, 179 catalog tables, 244 creation, 242 options, event analyzer, , 248f scope, 244 sort, table options, write-to-table, general considerations, 247 target tables, 246t Exception monitoring see Health monitor Extended memory cache, 201 Extents, 73, extent size determination, F Fagin, R., 35 FCM (Fast Communication Manager), 195 bufferpool, 198 connection entries, 197 message anchors, 198 request block, 198 FLUSH PACKAGE CACHE, 3 Foreign key, 29 Functional dependencies, FWC (fast write cache), 83 G Global control block, 197 Group heap ratio, 196 H HCA (Host Channel Adapter), 95 Health Monitor, 5, , 249f 250f and Memory Visualizer, 249, 251f History file, I I/O bottleneck, block prefetch I/O, 189 IBA (InfiniBand architecture), 94 95, 94f components, 95 96, 95f link speeds, 96 PCI bus, 93 PCI Express (Arapahoe/3GIO), 93 PCI-X, 93 performance measurements, I/O requests, 79 80, 80f IBA (InfiniBand architecture) see I/O bottleneck IHR (Index Hit Ratio) formula, 181 Immediate (propagation class), 193 IMPORT, and buffered inserts, Index reorganization (online), 9, see also REORG utility; Type-2 indexes

5 Index 469 INSPECT, 10, 170 authorization, 170 command parameters, guidelines/exceptions, required connection, 171 scope, 170 to find index types, 64 Instance memory, 196 INSTEAD OF, 11 Intelligent Miner Products, 16 J Java common client, 56 Java heap size, 198 Java SP, 6 Java thread-safe routines, K Key, 32 L LEO (Learning Optimizer) project, 1 List history utility, LIST TABLESPACES utility, and state value, 144 LOAD QUERY, examples, guidelines/exceptions, for partitioned databases, 318 LOAD utility, 151 authorization, command parameters, in DPF environment, DB CONFIG parameter options, and failed load operation, and MDC table, 69 online, 3 required connection, 152 scope, 151 locklist, 201 Logical design, 25, 39 business entities, 26 28, 26t see also Entities and relationships business model, 25 26, 26f business rules/constraints, 28 and keys, 32 outputs, 36 see also Normalization Logical disk, 86 Logs, 4, 21, Administration Notification, , 262f 263f database logging, 110 archival logging, , circular logging, 111 crash recovery, 111 roll forward recovery, 113 version recovery, 111 Dr. Watson, 266 log buffer, 202 system, see also db2diag.log M MAXAGENTS, 207 MAXAPPLS, 208 MAXCAGENTS, 208 MDC (multidimensional clustering), 5 6, 63, 65, 70 reorganizing restrictions, 101 table considerations, table example, 66 69, 66f 69f Memory areas, 194, 195f see also Agent Private Memory; Application Global Memory; Database Global Memory; Database Manager Shared Memory Memory Visualizer, 249, 251f MIGRATE DATABASE, 169 authorization, 169 command parameters, 170 examples, 170 guidelines/exceptions, 170 required connection, 169 Mirroring, 82 Monitor heap, 197 Monitoring, 217, 251 see also Event monitors; Health monitor; Performance monitoring; Performance monitoring/bufferpools MQT (materialized query table), 7, 59, 186 nickname support, 8 user maintained, 8, 60 Multidimensional clustering (MDC), 2 MWC (Mirror Write Consistency), 82

6 470 Index N Name Panel, 49, 49f Named Pipes, 18 Net Search Extender, 16 17, 17t NETBIOS, 18 New client driver enhancements, Nicknames see MQT Normalization, 31 Boyce-Codd normal form (BCNF), 34 constraint, 35 Domain/key normal form (DK/NF), first normal form (1NF), functional dependencies, key, 32 second normal form (2NF), third normal form (3NF), 34 O OHR (Overall Hit Ratio) formula, 181 OLTP (online transaction processing), 13 index considerations, 309 Options Panel, 47, 47f ORMS (Overall Read Milliseconds) formula, 185 OS Kernel routines, and SMS/DMS file containers, P Package cache size, Page cleaners, 21 Pages, 73 Partitioned database join strategies, 302, 302t broadcast join (inner and outer), , 306f collocated join, 301, 307 directed inner and outer table join, 304, 305f directed inner table join strategy, , 303f see also DPF (database partitioning feature) PCI (peripheral component interconnect) see I/O bottleneck PDE (Personal Developers Edition), 16, 42 PE (DB2 Personal Edition), 15f, 16 Performance measurements/i/o, Performance monitoring, 217 Database Manager monitor switches, , 218f, 219t see also DB2 Sort/performance monitoring; Event monitors; Snapshot Performance monitoring/bufferpools, 189 DB2 Event Monitors, 179 efficiency/effectiveness formulas, monitor switches, 178 Snapshot commands, Physical design, 37 bufferpool strategy, 39 denormalization, 37 index creation, tablespaces and tables creation, PowerDesign (Sybase), 25 Prefetching/prefetchers, 20, 77 enhancements, 6 performance, see also Block prefetch I/O Primary key, 29 Problem determination, 253, 270 connectivity problems, DB2 code (defect) problems, 255, 256f debugging/development aids; breakpoints, diagnostic information, dumps, performance and application problems, 255 see also Call stack traces; DB2 Information Center; Logs; Traces PRPM (Physical Pages Read per Minute) formula, 182 Q query_heap_size, 206 QUIESCE, 4, 166 authorization, 167 command parameters, 167 examples, guidelines/exceptions, 168 required connection, 167 scope, 166 see also UNQUIESCE R RAB (RAID Advisory Board), 81 RAD (Rapid Application Development), 10 RAID (Redundant Array of Independent Disks), 81 levels/attributes, 82t RAID-1, 82

7 Index 471 RAID-3, 87 RAID-5, 83 84, 87 RAID (6+1) example, 84, 84f 85f Rationale Rose (Rationale Software), 25 Relationships see Entities and relationships REORG utility, authorization, 99 command parameters, example, 103 guidelines/exceptions, required connection, 99 scope, 99 REORGCHK, 4 REORGCHK utility, 105 authorization, 106 command parameters, 106 output example, 107f 109f, 110 required connection, 106 scope, 105 Restore see Backup and recovery Round-robin striping, 76, 76f rqrioblk, 206 Run-Time Client, RUNSTATS, 5, 144, 255 authorization, command parameters, examples, guidelines/exceptions, scope, 144 S scalability, 7 SCM (supply chain management), 13 SCSI (Small Computer System Interface), I/O example, 80f Self-management features/enhancements in DB2 UDB, 1 SET TABLESPACE CONTAINERS, 126, 142 authorization, command parameters, 143 guidelines/exceptions, 144 required connection, 143 SHARK see ESS SHARK SHEAPTHRES, 272, 278 Slice, 65 SMART (Self Management and Resource Tuning) project, 1, 3, 13, 193 see also Configuration Advisor SMS (System Managed Space), 71, 74, 85 see also Tablespaces Snapshot, 217 Application snapshot; example, and bufferpool performance monitoring, commands, 220t Database Manager snapshot example, key elements, 224t 225t Database snapshot example, key elements, 228t 230t Dynamic SQL, enhancements, 5 levels, 219 Sort see DB2 Sort SP (Scalar Power Parallel) Complex, 292 Spatial Extender, 16 SQL Assist, changing to eliminate sorts, 288 Communications Area (SQLCA), enhancements, 11, 56 built in functions, 57 Insert Through Union All Views, 57 instead of triggers, 57 explain tools, , 287f in external UDFs and methods, 10 statement event monitors, 241 see also Dynamic SQL; Visual Explain SRMS (Synchronous Read Milliseconds) formula, SRP see ARP and SRP (Asynchronous and Synchronous Read Percentages) Statement Boundary (propagation class), 193 Statistics heap, 205 stmtheap, 206 Strip, 86 Stripe width, 86 Subagents, 10 Summary Panel, 48, 48f Summary tables, SYSCATSPACE, 74 SYSIBM schema, 57

8 472 Index T Tables, 73 reorganization (online), 8 9, table activity analysis, 186 see also MDC (Multidimensional Clustering); MQT (Materialized Query Table); REORG utility; Summary Tables Tablespaces, activity, 187 assigning to bufferpools, optimum assignments, 188 sizing bufferpools, container management, 85 events, 241 extents, list utility, examples, pages, 73, 75 single/multitable considerations, storage models container types, 75t see also DMS (Database Managed Space); SMS (System Managed Space) types, 72 see also Prefetching/prefetchers TASK MANAGER, 18 TCA (Target Channel Adapter), 95 TCP/IP, 18 TEMPSPACE1, 74 3GIO see I/O bottleneck/pci TIME STAMP monitor switch, 219 Transaction Boundary (propagation class), 193 Transaction event monitors, 241 Traps, 267 Troubleshooting see Problem determination Tuples, 29 Type-2 indexes, 8, 70 benefits, migration considerations, 64 migration strategy suggestion, 65 and net-key locking, 64 and online table reorganization, 9 U UDE (DB2 Universal Developers Edition), 16, UDF memory (obsolete), 206 UDF performance enhancements, 6 UML (Unified Modeling Language), 36 UNIX, DB2 processes, 18, 19t 20t UNQUIESCE, 168 authorization, 169 command parameters, 169 examples, 169 required connection, 169 scope, 168 Utilities, 97, 174 see also Backup and recovery; db2tbst; INSPECT; Lists; LOAD; MIGRATE DATABASE; QUIESCE; REORG utility; RUNSTATS; UNQUIESCE Utility heap, 200 V VALUE COMPRESSION, 2 Visual explain, 43, 44f 45f, 45 46, , 287f Path, 86, 87 W Warehouse Manager, 16 data warehouse enhancements, 10 Wizards, 3 Backup Wizard, 114, 114f Configure Database Logging Wizard, 111, 112f Control Center launch, 97, 97f Create SQL Stored Procedure Wizard, 49 51, 49f 51f Import Wizard, 52, 52f 53f Load Wizard, 151, 151f Restore Data Wizard, 119, 119f 120f WORD (Web services Object Runtime Framework), 2, 61 WE (Workgroup Server Edition), 15, 15f WSUE (Workgroup Server Unlimited Edition), X XML (extensible Markup Language), UML Extender, 60 61