System setup for the WebSphere environment performance tests

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To emulate a customer-like environment we set up and configured our z/VM LPARs and guests. We also created a WebSphere Application Server cluster, setup the caching proxy server, enabled quick dispatch, and setup the z/VM guest LAN type.

General information for single WebSphere® Application Server setup

Figure 1 shows the system topology that was used to gather the results for our single WebSphere Application Server tests.

The table below lists the specific configuration details for the z/VM® LPAR and the guests defined for the tests.

Table 1. LPAR and guest configuration details
Function Type CPUs Memory Network IP address
z/VM LPAR 8 26 GB Physical LAN 9.12.22.92
WebSphere Application Server guest 2 (4) 2 GB

Guest LAN

192.168.30.10
10.10.80.10
DB2® UDB guest 1 (2) 2 GB

Guest LAN

192.168.30.200
10.10.80.200
WebSphere Load Balancer guest 1 1536 MB

Guest LAN

192.168.30.80
192.168.30.82
10.10.80.80
Web server guest 2 1 GB

Guest LAN

192.168.30.100
10.10.80.100
Caching proxy server guest 1 2 GB

Guest LAN

192.168.40.90
10.10.80.90
Firewall 1 guest 1 512 MB

Guest LAN
Guest LAN

192.168.40.21
10.10.30.21
10.10.80.21
Firewall 2 guest 1 512 MB

Guest LAN
Physical LAN

192.168.40.22
10.10.60.22
Client xSeries® 2 4 GB Physical LAN

10.10.60.147

For all configurations, the netmask was 255.255.255.0.

See Detailed set up examples for the WebSphere environment performance tests for the configuration files used for the environment.

See the following RedBook for general instructions on installing and configuring the various components in the topology: WebSphere Application Server V6 Scalability and Performance Handbook, which can be found at: 
https://www.redbooks.ibm.com/redbooks/pdfs/sg246392.pdf