Index_O

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O

Object Manager, Windows NT, 367

Object-oriented database systems, 15

Object Query Language (OQL), 89

Open networks, 224-27

model, 225

steady-state probabilities, 226

throughput terms, 226

See also Queuing networks

Operating systems, 15-19

accomplishments, 118

architectures, 362-72

component analysis, 361-408

database system mismatch, 103-5

defined, 15

early, 16

evolution of, 15-19

experimental analysis, 397-407

experimental design and simulation, 376-97

hardware management, 17-18

interprocess communication mechanisms, 105

locking mechanism, 104

multiuser, 11

new concepts, 19

scheduling, 105

services, 17, 64-65

as software, 15-16

workloads, 372-76

Operating systems analysis, 397-407

conclusion, 402-4

file transfer workload, 397-98

intermediate data (workload 1), 407

intermediate data (workload 2), 405

intermediate data (workload 3), 406

MATLAB workload, 400-402

process creation workload, 399-400

tabular results, 404-7

Operating systems architecture, 64-79

file management, 76-77

interrupt management and semaphores, 65-67

memory management, 72-76

peripheral device management, 78-79

process management, 67-72

protection, 77-78

resource management, 72

Operating systems simulation, 380-97

LINUX 7.2, 380-83

Windows ME, 390-91

Windows NT, 391-96

Windows XP, 383-89

Operating systems testing, 376-80

burn-in test, 378

burn-in test results, 379

configuration, 376

experimental design, 378-80

experimental design summary, 379-80

hardware specifications, 376

Passmark, 376-78

Passmark test results, 377-78

PC benchmark, 376-78

simulation, 380-97

Operational analysis, 35-36, 244-49

advantages, 245

basis, 244

defined, 35, 233

hardware/software monitors, 36

Little's result and, 246, 248

logic-sensing subsystem, 35

measurements/computations, 36

operational quantities, 245

operational theorem, 245

operational variables, 244

performance quantities, 246

See also Computational methods; Modeling tools

Optical disk storage devices, 52-53

Oracle database system, 413-17

component execution, 413

concurrency control/locking, 416-17

cost/performance comparison, 443-44

data files, 413

DML locks, 417

Informix vs., 441-42

instance implementation, 414

multithreaded server option, 415

process and thread structure, 414

query optimization, 416

redo logs, 413, 414

results, 437

server processes, 415

SQL Server vs., 439, 440

system global area (SGA), 413

tasks, 413

transactions, 415

See also Database systems performance analysis

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