Controller 26.3
Controller Reference

# Logging Configuration Parameters

The parameters in this section configure logging.

Parameter | Description
--- | ---
LogArchiveDirectory | The archive directory to use when `LogOldAction=Move`.
LogCompressionMode | How to compress files when `LogExpireAction=Compress`.
LogDirectory | The path of the directory to use for saving logs.
LogEcho | Displays log messages on the console.
LogExpireAction | Specifies how to handle log files that exceed `LogMaxSizeKBs`.
LogFile | The name of a log file.
LogHistorySize | The number of log messages to store in memory.
LogLevel | Select which messages to log, by severity.
LogLevelMatch | Select which messages to log, by severity.
LogMaxLineLength | The number of characters a log entry can include before it is truncated.
LogMaxOldFiles | The maximum number of log files in the `LogDirectory`.
LogMaxSizeKBs | The maximum log file size (in kilobytes).
LogOldAction | Specifies what to do when `LogMaxOldFiles` is reached.
LogOutputLogLevel | Specifies whether log entries include the log level.
LogOutputSeverity | Specifies whether log entries include the severity rating, from 0–99.
LogSysLog | Writes messages to the Windows or Linux system log.
LogTime | Specifies whether log entries include the current time.
LogTypeCSVs | A list of message types to log.

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Version 26.3 | Last updated July 2026

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Product: Knowledge Discovery Controller 26.3

Topic Title: Logging Configuration Parameters