Update 02/03/2020 - the documentation error has since been fixed, and Microsoft has reached out to me for a full refund.Every engineer I’ve talked ...
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We filtered out all successful "GET" requests (which only took less than couple of milliseconds to finish) for images/javascripts/css. This reduced telemetry size down to 90%.
This reduced the size of data and gave us way to look at only requests with problems, failing or requests taking too long to finish.