One of my FME workbenches takes too long time for processing data. I am trying to optimize it. Therefore, looking for the stage where data being processed the longest.

Is there a way to measure processing time of each transformer, other than reading logs line by line?

  • 1
    The logger transform will do this, and you can set the level of debugging in the options. Can you also give your version of FME to narrow this down. community.safe.com/s/article/…
    – Mapperz
    Commented Sep 15, 2023 at 12:43
  • Thank you. Version is 2020.2 Commented Sep 15, 2023 at 12:44
  • FME 2023.1 was just released they have improved a number of transformers and readers.
    – Mapperz
    Commented Sep 15, 2023 at 12:57

1 Answer 1


When I have to do something like this I parse the logfile tot Excel, calculate time diff between rows and work from there.

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