Hardware and software configuration for the WebSphere Application Server performance tests

Hardware and software

The following section details the hardware and software we used for our test runs.

Server hardware

Host

Two LPARs on a 16-way IBM® System z9® Enterprise Class (z9™ EC), model 2094-S18, configured with:

• LPAR 1 (WebSphere Application Server on Linux®)
  • 1 - 8 physical CPUs, dedicated
  • 4 GB central memory
• LPAR 2 (UDB database on Linux)
  • 1 - 8 physical CPUs, dedicated
  • 12 GB central memory
• 2 OSA Express 2 Ethernet cards
• 4 dedicated ESCON® Express Channels

Network setup

• 1 - 2 client workstations on a 1 Gb Ethernet LAN
• 2 OSA Express 2 Ethernet cards on IBM System z™, or
• One OSA Express 2 Ethernet card and one HiperSockets™ connection

Storage server setup

• For the RHEL4.5 environment:
  2105-F20, Disk Drive Modules - 18.2 GB each/10 K RPMs

  • 12 ECKD™ mod3s from 1 rank/LCU
  • 4 ESCON paths
• For the RHEL5.0 environment:
  2105–F20, Disk Drive Modules - 18.2 GB each/10 K RPMs (used for the LPAR containing WebSphere)

  • 3 ECKD mod9s from 1 rank/LCU
  • 4 ESCON paths
  2105 Model 800, 72 Gb/10 K RPM DDMs (used for the LPAR containing the DB2® databases)

  • 6 ECKD mod9s from 1 rank/LCU
  • 4 FICON® channels

Server software

Client hardware

• 1 IBM eServer™ xSeries® model 6565-2BU with a 667 MHz Pentium® III
• 1 xSeries® model 6792-MHU with a 1.8 GHz Pentium® 4

Client Software

Table 2 shows the client software used.