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If you want to contribute to this solution, the jobs/transformations are hosted on GitHub: (TBD)
Note: This is limited actually to the file system and does not support a repository or repository exported file (todo).
Pentaho Operations Mart
Within the PDI Enterprise Edition, the Pentaho Operations Mart collects a lot of information and also usage statistics. These can be combined to see what jobs/transformations etc. are used, how often, from what user, .