Maximizing Performance and Scalability with IBM WebSphere
A
abstraction
using in WebSphere application design, 406
ACK directives
settings for in IBM AIX, 268
active-active clustering
typical configuration and function of, 297 “298
active-active databases
configuration example, 223
connection timeout settings for failover configuration, 364
failover techniques in WebSphere, 362
function of, 222 “223
active-standby clustering
typical configuration and function of, 295 “296
active-standby databases
connection timeout settings for failover configuration, 364
failover techniques in WebSphere, 361 “362
function of, 220 “222
Add Counters dialog box
selecting counters in to test and view network errors, 494
selecting disk monitoring options in, 488 “490
administration console
hosted by the deployment manager in WebSphere 5, 73
Administration Repository database
in WebSphere 4, 306
administration server
function of in WebSphere 4, 69
administration service
function of in WebSphere 5, 76
administrative consoles
in WebSphere, 53
administrative functions
in failover techniques in WebSphere, 306
administrative repository
configuration issues, 357 “358
use of in WebSphere 4, 68 “69
administrative services
function of in WebSphere 5, 76
affinity-based routing
types of within the EJB-based server groups, 336
Aged Timeout
setting in JDBC connection pool manager, 444
setting in WebSphere 5, 449 “450
AIM (Apple, IBM, Motorola) consortium
processor designs produced by, 109
AIX. See IBM AIX
AIX swap space command, 480
AIX Unix
Monitor command for memory usage information, 479
AMD AthIon 64 (ClawHammer)
function of, 89
AMD Athlon, Athlon XP, and Athlon MP processors
function of, 87 “89
AMD Duron processor
function of, 87
AMD Opteron
function of, 89 “90
Apache Axis project
open -source series of APIs available from, 74
application architecture
special considerations for protocols or logic, 173
Application Assembly Tool (AAT)
enabling the default EJB caching setting when deploying, 340 “341
application availability
impact of buggy software or unstable hardware on, 239 “240
application binding
failover support for in WebSphere, 359 “360
application database (or databases)
example of a connection to, 359
function of, 62
impact of on a WebSphere environment, 431
application environment
multichannel topologies in, 204 “218
security considerations in, 169 “170
application implementation
example CPU choices, 94
application level
configuring session management in, 327
application server
capacity considerations in multi-Web server, multiapplication server topologies, 208 “209
function of the EJB container within, 61 “62
as key component of WebSphere implementation, 58 “59
steps for accessing the Web container for any, 384 “385
application servers
additional topology considerations, 227 “228
developing high-performance applications for, 395 “410
example of a compartmentalized approach, 228
geographically distributed, 227
location recommendation for WebSphere-to-database networking, 143
vs. server groups, 65
application server topology
additional considerations, 227 “228
applied affinity
used for clients requesting IORs via the LSD, 336
associative referencing
of level 2 cache in UltraSPARC III, 99 “100
ATA (Advanced Technology Attachment), 120 “121
ATA-IDE standard
ratified by ANSI, 120 “121
AthIon 64. See AMD AthIon 64 (ClawHammer)
Athlon processors
function of, 88 “89
Auto-Negotiate or Auto-Sensing configuration
warning about using, 495
availability
as key measure of high-performance computing, 33
understanding your needs for, 46 “47
what it is, 35 “36
availability and scalability
a primer, 34 “43
ten rules to live by, 49
availability matrix
understanding, 39 “40
availability measurements
list of commonly represented and associated downtime, 39
availability, performance, and scalability
costs of, 43 “49
Average value
in Performance tool network utilization output, 496
Axis. See also Apache Axis project
Web Services provided by, 74