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Janek's avatar

Hi, I'm looking for a way to improve loading time for a looker report on Meta ads (single source only) and found your article on Extract Data feature. My data connection is made with Windsor.ai. A rather simple raport with three charts (each with 12 months) and one metric, and it takes ages to load. Could you say a bit more on that: "if you’re date field is at a daily level and you choose to render it Year Month for instance, it won’t properly group" - does it mean that charts with year-month on X axis will not benefit from Extract Data?

Secondly, how does Looker "know" when to use Extract Data (after it is set up), and when to query the original source?

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