How the predict_linear working

1

Hi Guys,

I was able to use Prometheus predict_linear function to do the prediction for memory.

And I was able to set the time range to now-2d and now + 2d on Grafana.

However, as you can see the image I attached that in my predict linear function, I only predict what the next 6-hour memory would be.

I do not understand is that why the data keep exist for two days. It should not be any data after 6 hours right?

Thanks for your help.

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2

I have same question, the data keep exist for two days in yours image because you set now + 2d. The chart display the next [v range-vector] in the predict_linear function, not the [t scalar].