Controller 25.2
Controller Reference

# Levels

The number of compression levels to apply to old statistical data.

The `StatsCompression` section of the configuration file must also include a line for each of the levels you specify, numbered consecutively and starting from 0 (zero).

For example, if you set `Levels` to `2`, you should include the following lines:

    0=CompressLevel0
    1=CompressLevel1

You must then add separate sections in the configuration file, `[CompressLevel0]` and `[CompressLevel1]`, where you can specify the details of the compression for each level.

For clarity, OpenText recommends that you specify the name of the level that deletes statistics as `ThrowAway`, rather than `CompressLevelN`.

NOTE: If you use a shared statistics database for Coordinator and Controller components, you must not configure statistics compression in both the Coordinator and Controller configuration files.

For consistency, when you use a shared statistics database, OpenText recommends that you configure statistics compression only in the Controller components.

Type: | Integer
Default: | None
Required: | Yes
Configuration Section: | StatsCompression
Example: | `Levels=3`
See Also: |

Copyright 2015-2025 Open Text
Version 25.2 | Last updated April 2025

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Product: Knowledge Discovery Controller 25.2

Topic Title: Levels