Maximizing Performance and Scalability with IBM WebSphere
I
IA-32
defined, 83
IA-64
defined, 83
IBM AIX
command for getting network interface statistics in, 491
delay acknowledgment settings in, 268
setting delay acknowledgment ports in, 269
TCP hash table size settings, 271
TCP maximum listen backlog setting, 270 “271
TCP send and receive buffer attributes, 269 “270
TCP TIME_WAIT settings, 267
tuning and optimization, 266 “271
IBM DB2
architectural overview, 439
key tuning parameters and considerations, 439 “442
major components of, 440
optimization parameter recommendations, 440 “441
vs. Oracle9 i Real Application Clusters (RAC) system, 222
IBM Edge components, 78
IBM JVM
setting object allocation parameters for, 289
tuning and performance options, 289 “290
IBM platform
processor architecture, 110 “115
IBM Power4 platform. See Power4 platform (IBM)
IBM Power4 processor. See Power4 processor (IBM)
IBM Power4 processor cores
function of, 113 “114
IBM Power4 processors, 116
IBM PowerPC 604e processor
architecture and function of, 111
IBM PowerPC 750 processor
architecture and function of, 111 “112
IBM PowerPC 970 processor. See PowerPC 970 processor
IBM PowerPC platform (pSeries)
features of, 147
IBM PowerPC platform
summary, 119 “120
IBM PowerPC processors
comparison chart, 115 “116
IBM RS64-III and RS64-IV processors
architecture and function of, 112 “113
IBM Secureway Directory Server
supported by WebSphere, 344
IBM servers
advanced clustering solutions for, 119
IBM WebSphere. See WebSphere
IBM WebSphere 4. See WebSphere 4; WebSphere 4-specific component architecture
ibm-ejb-jar-ext.xmi file
IBM extension deployment descriptor for EJBs, 417
Idle Timeout
setting in WebSphere 4, 447 “448
Idle Timeout setting
in JDBC connection pool manager, 444
IIPJMeter profiling tool (Hewlett-Packard), 244
implementation costs
associated with disk storage technologies, 137 “140
infrastructure design
in WebSphere, 81 “147
init() servlet method
using if doGet() and doPost() aren't required, 399
initial heap
defined, 158
in-process routing
for EJB containers, 335 “336
Instruction Issue Unit (IIU) feature
function of on the UltraSPARC III processor, 100
integrated cache
available in Intel Xeon MP processor, 86
Intel Architecture-32 (IA-32)
defined, 83
Intel Architecture-64 (IA-64)
defined, 83
Intel Itanium 2
function of, 86 “87
Intel Itanium and Itanium 2
function of, 86 “87
Intel Pentium 4 1.7 “2GHz processor
function of, 84
Intel Pentium 4 2.26GHz-3.2GHz processor
function of, 85
Intel Pentium 4 2GHz-2.6GHz processor
function of, 84 “85
Intel Pentium III Xeon 900 MHz processor
function of, 84
Intel Xeon MP processor
function of, 86
Intel Xeon processor
function of Pentium III and 4 versions, 85 “86
memory supported by, 91 “92
intelligent routing
in network configurations, 276 “277
interactive pool cleanup variable
setting in the EJB container, 382 “383
internal private network 'mesh'
function of, 163 “164
International SPARC Organization
creation of SPARC Compliance Definition by, 95
Internet Inter-ORB Protocol (IIOP)
function of, 168
Internet Inter Orb Protocol (IIOP)
used as primary CORBA application protocol, 456
Internet vs. external schema sites
effect on Web Services transaction performance, 468
iostat command
for monitoring Unix server disk I/O, 486 “487
picking a hot disk with, 487 “488
iostat tool
for monitoring Oracle and DB2 for performance issues, 441
IP failover clusterware
using with built-in LDAP master/replica availability features, 345
iSCSI technology
benefits of, 122 “123
example of high-level implementation, 123
function of, 122 “124