WebSphere Message Broker, Version 8.0.0.7 Operating Systems: AIX, HP-Itanium, Linux, Solaris, Windows, z/OS

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Support for 32-bit and 64-bit platforms

WebSphere® Message Broker operates in 32-bit mode or 64-bit mode, on supported operating systems.

The following table shows support for 32-bit and 64-bit mode. Changes since Version 6.1 are summarized beneath the table. If support on your platform has changed, you might need to make additional changes to your configuration. See Migrating the Version 6.1 WebSphere Message Broker component and Configuring brokers for test and production environments for further details.

Table 1. Support for 32-bit and 64-bit operation
Platform WebSphere Message Broker internal components and commands 32-bit execution groups 64-bit execution groups
AIX®1 64-bit No Yes
HP-Itanium 64-bit No Yes
Linux on POWER® 64-bit No Yes
Linux on x86 32-bit Yes No
Linux on x86-642 32-bit Yes No
Linux on x86-642 64-bit No Yes
Linux on IBM® z Systems 64-bit No Yes
Solaris on SPARC1 64-bit No Yes
Solaris on x86-64 64-bit No Yes
Windows 32-bit 32-bit Yes No
Windows 64-bit2 32-bit Yes No
Windows 64-bit2 64-bit No Yes
z/OS®1 64-bit No Yes
Changes since Version 6.1:
  1. On this platform, you can no longer create or run with 32-bit execution groups. Execution groups can be only 64-bit mode.
  2. On the Windows 64-bit and Linux on x86-64 platforms, you can install either the 32-bit or the 64-bit version of WebSphere Message Broker.

Execution groups

You can create an execution group by using one of the following:
  • WebSphere Message Broker Toolkit
  • WebSphere Message Broker Explorer
  • mqsicreateexecutiongroup command
  • CMP

If you do not specify the size of execution group that you require, the size that is created depends on how you create it, and the version of the target broker to which you deploy it. The following default values apply:

  • If the target broker is Version 7.0 or later, the execution group is 64-bit except on those platforms that support 32-bit only (Linux on x86, and Windows).
Table 2. Execution group default sizes
Workbench Command CMP API 32-bit only platforms 32-bit and 64-bit platforms 64-bit only platforms
Default no options
createExecutionGroup(name)
32-bit 64-bit 64-bit
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        Last updated: 2016-05-23 14:47:09


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