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

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Memory and disk space requirements

Check the memory and disk space that is required for your installation.

Requirements for memory and disk space depend on the installation operating system, and on the WebSphere® Message Broker components and other products that you are installing.

Distributed systems
  • 512 MB of RAM is required to support runtime operations (1 MB equals approximately 1 000 000 bytes).
  • 512 MB of RAM is required to support WebSphere Message Broker Toolkit operations on Linux on x86, Linux on x86-64, or Windows. This specification is the minimum supported level; for improved performance, provide 1 GB (1 GB equals approximately 1 000 000 000 bytes).
  • 512 MB of RAM is required to support the WebSphere Message Broker Explorer.
  • Disk space requirements are dependent on the components that you install and the working space that is required by those components (for example, for WebSphere MQ queues and persistent messages).

    Check that your computer has at least the space that is shown in the table, which provides guidance for both permanent product requirements and temporary space. Check that these requirements have not been updated in the latest product readme file readme.html.

    If the installation directory and the temporary space are on the same partition or drive, add the two figures to check that you have enough space available. If you do not, increase the available storage or change the location of either the temporary space or the installation directory. The temporary files are deleted when installation is complete.

    • On AIX®, HP-UX, Linux, Solaris, and Windows systems, the default temporary space directory is pointed to by the IATEMPDIR system variable.

    The installation wizard displays requirements for permanent space, but not for temporary space. If the figure that the installation wizard displays is greater than the figure shown in the following tables, check that your computer has sufficient space before you continue with the installation.

    Table 1. Disk space requirements (Linux and Windows systems)
    Component / product Linux on POWER® Linux on x861 Linux on x86-64 Linux on IBM® z Systems Windows 32-bit1 Windows 64-bit1
    Broker component 820 MB plus 1.6 GB temporary space 720 MB plus 1.5 GB temporary space 820 MB plus 1.6 GB temporary space 750 MB plus 1.5 GB temporary space 840 MB plus 1.7 GB temporary space 950 MB plus 2 GB temporary space
    WebSphere Message Broker Toolkit Unavailable 1.6 GB plus 1.6 GB temporary space 1.9 GB plus 220 MB temporary space Unavailable 1.6 GB plus 1.6 GB temporary space 1.9 GB plus 220 MB temporary space
    WebSphere Message Broker Explorer Unavailable 250 MB plus 300 MB temporary space 250 MB plus 300 MB temporary space Unavailable 200 MB plus 250 MB temporary space 200 MB plus 250 MB temporary space
    WebSphere Message Broker ODBC Database Extender 90 MB plus 90 MB temporary space 80 MB plus 80 MB temporary space 75 MB plus 75 MB temporary space 80 MB plus 80 MB temporary space Unavailable Unavailable
    Note:
    1. The space that is required for the WebSphere Message Broker Toolkit includes space for the shared resources directory and the package group directory.
    Table 2. Disk space requirements (UNIX)
    Component / product AIX HP-Itanium Solaris on SPARC Solaris on x86-64
    Broker component 1 GB plus 2 GB temporary space 1.7 GB plus 3.4 GB temporary space 1 GB plus 2 GB temporary space 1 GB plus 2 GB temporary space
    WebSphere Message Broker Toolkit Unavailable Unavailable Unavailable Unavailable
    WebSphere Message Broker Explorer Unavailable Unavailable Unavailable Unavailable
    WebSphere Message Broker ODBC Database Extender 80 MB plus 80 MB temporary space 200 MB plus 200 MB temporary space 130 MB plus 130 MB temporary space 130 MB plus 130 MB temporary space
  • On computers on which you create a broker, up to 60 MB is required for the broker configuration data within your file system.
  • If you create user databases that are accessed by message flows, additional space is required on those computers.
  • If you intend to create more than one broker on any one computer, you require additional memory and swap space. For example, you might create more than one broker at different versions to complete migration. Plan for 1 GB RAM and 1 GB of swap space for each broker, in addition to the space and memory requirements of other applications.

    You must increase these figures if you deploy complex message flows to the brokers, or if you process large messages (of many megabytes), or complex messages that contain many different tags.

z/OS®
Details are given in Disk space requirements on z/OS. You must also check for later updates to this information in the section about DASD storage requirements in the Program Directory for WebSphere Message Broker for z/OS on the WebSphere Message Broker Library web page.
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        Last updated: 2016-05-23 14:47:04


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