18 lines
757 B
Markdown
18 lines
757 B
Markdown
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# Job Graph Events in Power BI
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Job Graph events can be used to identify bottlenecks in data refreshes by highlighting the critical path. For instances of Analysis Services not running on-premise, the graph is broken into 16 Kb chunks, each in their own event. The events can be reassembled with this script.
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## Usage
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1. Start a trace in SQL Server Profiler and select "Job Graph Events".
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2. Start a data refresh ("Process Full" in SQL Server Management Studio).
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3. Wait for all trace events to arrive in Profiler.
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4. `File > Save As > Trace XML File`
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5. Aim `rebuild.py` at this file like so:
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```bash
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python rebuild.py path\to\trace.xml output_folder
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```
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6. Inside `output_folder` there will be two .DGML files, which can be opened in Visual Studio.
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