Your Report Isn't Slow

Your Report Isn't Slow

The Bucket Nobody Reads

Episode 28 • 2026-07-10 Duration: 10:31

Every visual on a report page fires a DAX query. When twenty visuals queue behind a parallelism cap, the bottleneck hides in Performance Analyzer's least-read column — and the escape hatch everyone reaches for can silently produce wrong numbers.

What we discuss

  • How it actually works underneath the abstraction
  • The pattern we keep seeing in the field
  • The concrete recommended architecture
  • Where the obvious answer breaks
  • A real Reddit/Microsoft Q&A question unpacked
  • F-SKU realism — what this actually costs
  • When the rejected approach is actually right
  • The architectural principle to take home

Key takeaways

  • Somewhere right now, a report page is loading twenty visuals, queueing twelve of them behind a parallelism cap, and the person watching the spinner is about to open Performance Analyzer, see a DAX number, and start tuning the wrong thing.
  • Show me the query pattern. That's what this comes down to. A report is a query generator. Every visual is a query, every page load is a fan-out, and every performance problem lives in the gap between what the author designed and what the...
  • The piece I'd take away is that the report author and the model owner have to be in the same conversation.

Resources

About the show

AI-generated voices. Matthias — cloned voice. Fabia — designed AI co-host. See Matthias live on YouTube (Fabric Friday), at his meetups, and at conferences like FabCon.

Hosted by Matthias Falland — Microsoft Data Platform MVP and community architect behind the Fabric Periodic Table. New episodes every Friday.

Submit your case

Have an architecture decision you are wrestling with? DM Matthias on LinkedIn — find him as Matthias Falland. Three to five sentences about the decision, your team size, and your current stack. We anonymize before airing.

This podcast was generated by AI.

Brand design based on fabricperiodictable.com.

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