Maximizing Performance and Scalability with IBM WebSphere

V

V series servers

choosing for production environments, 105 “106

V100 server

best use for, 103

V120 server

best use for, 103

V880 server

for small production environments, 106

UltraSPARC III CPUs supported by, 101

vendor-specific deployment descriptor

for your J2EE application, 372

Veritas

advanced clustering solutions by, 351

Veritas Cluster Server

clustering solution, 294

as solution for applications using NFS, 349

Veritas Volume Replicator (VVR)

using to perform geographic synchronization, 226

vertical and horizontal scaling

advantages of combined, 153 “154

example of an environment, 154

vertical clustering

for high availability in WebSphere, 307

vertical scaling vs. horizontal scaling, 152 “153

virtual hosts

capability in WebSphere, 52 “53

vmstat command

for finding load average, 476 “478

vmstat tool

for monitoring Oracle and DB2 for performance issues, 442

volume testing vs. stress testing, 245 “246

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