Distributed Index Handler 25.4
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# Child Server Configuration Parameters

This section describes the parameters that you use to configure the DIH child servers. You can set these parameters in the `[IDOLServerN]` or `[DIHEngineN]` section.

DIH reads these two configuration sections equivalently. When you use a stand-alone DIH with its own configuration file, you can use either configuration section name to configure your child servers. However, you must use the same section format for all your child servers (that is, you must not specify some child servers in one type of section, and some in the other).

In a unified Knowledge Discovery configuration file, the section that you use depends on your system set up:

- If you use identical child servers for the DIH and the DAH, use `[DistributionIDOLServers]` with `[IDOLServerN]`. For example, in this case you might have DIH and DAH both sending actions directly to the Content component.
- If you use different child server configurations for the DIH and the DAH, use `[DIHEngines]` and `[DIHEngineN]`. For example, in this case you might be using a tiered DIH set up, so that the DIH child servers are child DIH components, while the DAH child servers are child DAH components.

You can use the parameters described in this section for either configuration. See also DIH Engines Configuration Parameters and Distribution IDOL Servers Configuration Parameters.

NOTE: You must number child server sections in consecutive order, starting from 0.

For example:

    [DIHEngines]
    Number=2

    [DIHEngine0]
    Host=localhost
    Port=9000

    [DIHEngine1]
    Host=1.23.45.6
    Port=9000
    UpdateOnly=true

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Version 25.4 | Last updated October 2025

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Product: Knowledge Discovery Distributed Index Handler 25.4

Topic Title: Child Server Configuration Parameters