Monitoring Power Query Memory Usage With Query Diagnostics In Power BI

In the April release of Power BI Desktop the Power Query Query Diagnostics feature was enhanced so that you can now return performance counter data. As the blog post says:

When you run performance counters, every half second Power Query will take a snapshot of resource utilization. This isn’t useful for very fast queries but can be helpful for queries that use up a lot more resources.

Source : Chris Webb’s BI Blog
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