Extract Historical eDNA Data

About this task

By default, the ETL tools extracts both current and historical data. This topic describes how to configure the settings to extract historical data using the ETL tools.

Procedure

  1. Create a regeneration file, specifying the start time, end time, and interval for which you want to capture the historical data. For a sample regeneration file, refer to Example of a Regeneration File.
  2. Run the HistorianETLeDNAExtractConfigTool file located in the <installation drive>\Program Files\GE Digital\Historian ETL eDNA Extract folder.
    Tip: You can also enter ETL Historian eDNA Extract in the Windows Start menu.
    The Historian ETL Extract Configuration window appears, displaying the Basic Configuration section.
  3. Select Advanced Configuration, and then provide values as specified in the following table.
    Field Description Default Value
    Regen File Enter the path to the regeneration file that you have created. <installation drive>\Program Files\GE Digital\Historian ETL eDNA Extract\Regen.xml
    Catch Up Time Limit Enter the duration, in hours, for which you want to extract historical data. For example, if you want to extract data for the past one day, enter 24. 168
    Temp Regen File Enter the path to the temporary regeneration file. <installation drive>\Program Files\GE Digital\Historian ETL eDNA Extract\Temp_Regen.xml
    Generate Temp Regen File Select True. False
  4. As needed, provide values in the remaining fields.

What to do next

Start the data extraction.