Splunk® Machine Learning Toolkit

ML-SPL API Guide

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Custom algorithms and PSC libraries version dependencies

Running version 5.0.0 or higher of the MLTK requires Splunk Enterprise 8.0 or later or Splunk Cloud. The Splunk Machine Learning Toolkit requires the Python for Scientific Computing (PSC) add-on.

  • Upgrading to version 5.0.0 or above of the MLTK requires upgrading to version 2.0 of the Python for Scientific Computing add-on.
  • Upgrading to version 4.5.0 of the MLTK requires version 1.4 of the Python for Scientific Computing add-on.
  • Upgrading to version 3.4.0 or above (4.0.0, 4.1.0, 4.2.0, 4.3.0, 4.4.0, 4.4.1, and 4.4.2) of the MLTK requires upgrading to version 1.3 of the Python for Scientific Computing add-on.

If you have written any custom algorithms that rely on the PSC libraries, upgrading to version 1.3 or 1.4 the PSC library add-on will impact those algorithms. You must re-train any models (re-run the search that used the fit command) using those algorithms after you upgrade the PSC add-on.

You cannot access new features in the MLTK without upgrading to the latest version of the toolkit. See the following dependencies table for the specific requirements between the MLTK and PSC add-on versions.

Specific version dependencies

For version information that includes MLTK, the PSC add-on, Python, and Splunk Enterprise, see Machine Learning Toolkit version dependencies matrix.

MLTK Version PSC Version
5.2.0 2.0.0, 2.0.1, or 2.0.2
5.1.0 2.0.0
5.0.0 2.0.0
4.5.0 1.4
4.4.2 1.3 or 1.4
4.4.1 1.3 or 1.4
4.4.0 1.3 or 1.4
4.3.0 1.3 or 1.4
4.2.0 1.3 or 1.4
4.1.0 1.3
4.0.0 1.3
3.4.0 1.3
3.3.0 1.2 or 1.3
3.2.0 1.2 or 1.3
3.1.0 1.2

Any algorithms that have been imported from the Python for Scientific Computing add-on into the Machine Learning Toolkit are overwritten when the MLTK app is updated to a new version. Prior to upgrading the MLTK , save your custom algorithms and re-import them manually after the upgrade.
Algorithms are stored in $SPLUNK_HOME/etc/apps/Splunk_ML_Toolkit/bin/algos on Unix-based systems and %SPLUNK_HOME%\etc\apps\Splunk_ML_Toolkit\bin\algos on Windows systems.

Last modified on 10 November, 2020
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This documentation applies to the following versions of Splunk® Machine Learning Toolkit: 5.2.0


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