Tableau Prep Flow with multiple S3 datasources succeed the flow while some of fetching process failed

Tableau / Tableau Cloud
Solution in Progress

Created

Feb 29, 2024

Found in Release

Summer '16

Last Updated

Feb 13, 2025

Reference ID

W-15096854

Summary

Flow with S3 union files occasionally fails to fetch files from the union, ending with an extract with fewer rows than expected.

Steps to Reproduce

  1. Upload multiple csv files to Amazon S3
  2. Create a flow task to union csv files on S3
  3. Publish the flow to Tableau Cloud and run it frequently
  4. "Rows Generated" shows decreased number while that is Succeeded

Workaround

There isn't a workaround for this issue yet.
Reference IDW-15096854
Solution in Progress

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